OAA computing section circular NK 538 Periodic Comet Ashbrook-Jackson
The following improved orbital elements, by S. Nakano, are from 367 observations 1948 to 1988, including full planetary perturbations and non-gravitational effect of style II. The mean residual is +/- 1.09 arc seconds. Epoch = 1986 Jan. 10.0 ET T = 1986 Jan. 24.37824 +/- 0.00050 (m.e.) ET Peri. = 348.81406 +/- 0.00014 Node = 1.95345 +/- 0.00006 (1950.0) Inc. = 12.50497 +/- 0.00002 q = 2.3069505 +/- 0.0000007 AU e = 0.3964177 +/- 0.0000002 a = 3.8220978 +/- 0.0000005 AU nß = 0.13190200 +/- 0.00000002 P = 7.472 +/- 0.0000013 years A1 = +0.058 +/- 0.036 A2 = -0.00705 +/- 0.00048 T = 1948 Oct. 4.78092 ET Epoch = 1948 Oct. 16.0 ET Peri. = 348.90470 e = 0.3956028 Node = 2.34136 (1950.0) a = 3.8236400 AU Inc. = 12.51321 nß= 0.13182221 q = 2.3109972 AU P = 7.477 years T = 1956 Apr. 6.17691 ET Epoch = 1956 Mar. 28.0 ET Peri. = 349.08937 e = 0.3938083 Node = 2.28508 (1950.0) a = 3.8346161 AU Inc. = 12.49261 nß= 0.13125663 q = 2.3245125 AU P = 7.509 years T = 1963 Oct. 2.17647 ET Epoch = 1963 Oct. 18.0 ET Peri. = 348.95315 e = 0.3957497 Node = 2.28195 (1950.0) a = 3.8296720 AU Inc. = 12.50658 nß= 0.13151089 q = 2.3140805 AU P = 7.494 years T = 1971 Mar. 13.44311 ET Epoch = 1971 Mar. 30.0 ET Peri. = 348.82864 e = 0.3997638 Node = 2.15049 (1950.0) a = 3.8061374 AU Inc. = 12.52624 nß= 0.13273253 q = 2.2845816 AU P = 7.426 years T = 1978 Aug. 19.87870 ET Epoch = 1978 July 31.0 ET Peri. = 349.01372 e = 0.3998573 Node = 2.05903 (1950.0) a = 3.8061028 AU Inc. = 12.52520 nß= 0.13273434 q = 2.2842050 AU P = 7.425 years The predicted orbit for the 1993 return is as follows: T = 1993 July 14.05169 ET Epoch = 1993 Aug. 1.0 ET Peri. = 348.68577 e = 0.3949052 Node = 1.97078 (1950.0) a = 3.8279690 AU Inc. = 12.49443 nß= 0.13159865 q = 2.3162842 AU P = 7.489 years - continued - P/Ashbrook-Jackson NK 538 - 2 The following residuals in seconds of arc are from the above orbital elements: Date/ UT R.A. (1950) Decl. *** O-C *** Code/Obs. h m s ¡ , " " " 1948 08 26.25916 23 11 58.54 -14 49 13.2 0.5- 0.1+ 690/LW 1948 08 27.24314 23 11 12.23 -14 47 38.2 1.3- 1.4- 690/LW 1948 08 28.27096 23 10 23.10 -14 45 53.6 0.3- 1.7- 690/LW 1948 08 28.27929 23 10 22.79 -14 45 50.7 1.3+ 0.4+ 690/LW 1948 08 30.32934 23 08 42.36 -14 42 09.0 0.1- 1.5- 711/MC 1948 08 31.09925 23 08 04.41 -14 40 30.9 0.3+ 0.6+ 822/CO 1948 08 31.18507 23 08 00.01 -14 40 27.9 0.4+ 1.0+ 786/WS 1948 08 31.22881 23 07 57.94 -14 40 23.9 0.8+ 0.9- 711/MC 1948 09 01.22468 23 07 08.06 -14 38 23.1 1.7+ 0.2- 690/LW 1948 09 01.23398 23 07 07.50 -14 38 22.6 0.7+ 0.8- 690/LW 1948 09 02.27071 23 06 14.77 -14 36 10.3 1.3- 0.3+ 711/MC 1948 09 03.03412 23 05 36.28 -14 34 22.7 0.7+ 0.3+ 822/CO 1948 09 04.03276 23 04 45.20 -14 32 05.5 0.8+ 1.0+ 822/CO 1948 09 04.21920 23 04 35.54 -14 31 48.8 0.8+ 1.0- 690/LW 1948 09 04.23049 23 04 34.89 -14 31 47.8 0.1+ 1.6- 690/LW 1948 09 05.18918 23 03 45.71 -14 29 29.3 0.5+ 1.5- 711/MC 1948 09 05.23316 23 03 43.47 -14 29 23.6 1.7+ 1.8- 690/LW 1948 09 08.97235 23 00 30.94 -14 19 23.9 1.2+ 1.3+ 008/AG 1948 09 09.93881 22 59 41.49 -14 16 35.0 0.0 0.1+ 008/AG 1948 09 10.96378 22 58 49.26 -14 13 27.1 0.3- 0.3+ 008/AG 1948 09 11.22332 22 58 36.21 -14 12 36.4 0.1- 1.7+ 711/MC 1948 09 12.08060 22 57 53.07 -14 09 46.4 0.6+ 0.3+ 822/CO 1948 09 12.33777 22 57 39.87 -14 09 04.0 0.8+ 0.6- 690/LW 1948 09 12.35096 22 57 39.19 -14 09 02.3 1.0+ 1.6- 690/LW 1948 09 13.35902 22 56 48.75 -14 05 39.1 0.2- 1.1- 690/LW 1948 09 23.07169 22 49 20.97 -13 26 17.0 0.9+ 0.1- 822/CO 1948 09 29.02960 22 45 34.60 -12 56 10.7 0.2+ 0.1+ 822/CO 1948 10 01.25345 22 44 21.99 -12 43 56.2 1.5- 2.2- 711/MC 1948 10 01.26208 22 44 22.00 -12 43 53.2 2.1+ 1.8- 690/LW 1948 10 01.90818 22 44 02.35 -12 40 08.8 0.4+ 0.2- 008/AG 1948 10 02.21215 22 43 53.27 -12 38 23.7 0.5- 1.5- 711/MC 1948 10 03.94169 22 43 04.75 -12 28 05.5 0.3+ 1.3+ 008/AG 1948 10 03.94809 22 43 04.59 -12 28 04.2 0.7+ 0.3+ 008/AG 1948 10 04.95642 22 42 38.43 -12 21 55.6 0.1- 0.3- 008/AG 1948 10 05.03394 22 42 36.78 -12 21 19.6 0.7+ 0.3+ 822/CO 1948 10 07.31976 22 41 43.73 -12 07 02.4 0.2- 0.9- 662/LI 1948 10 07.32601 22 41 43.57 -12 07 00.0 0.5- 0.9- 662/LI 1948 10 08.92337 22 41 12.15 -11 56 31.7 2.1+ 2.0+ 047/PZ 1948 10 22.02897 22 39 37.80 -10 20 37.1 0.3+ 0.2+ 822/CO 1948 10 28.03394 22 40 32.42 -09 31 24.0 0.3- 0.4- 822/CO 1948 10 28.82948 22 40 44.27 -09 24 46.9 0.9+ 2.2- 008/AG 1948 10 28.84956 22 40 44.50 -09 24 35.7 0.3+ 1.2- 008/AG 1948 11 03.03350 22 42 26.15 -08 39 18.3 1.1+ 0.6- 822/CO 1948 11 04.86182 22 43 12.00 -08 22 57.7 0.6+ 0.4+ 008/AG 1948 11 05.76631 22 43 36.73 -08 14 45.6 0.2+ 0.4- 008/AG 1948 11 06.03014 22 43 44.02 -08 12 15.8 0.5+ 0.6- 822/CO 1948 11 22.80004 22 54 50.16 -05 30 05.4 0.2- 0.8+ 008/AG 1948 11 22.82151 22 54 51.15 -05 29 52.9 1.0- 0.2+ 008/AG 1948 11 23.03103 22 55 01.80 -05 27 40.8 1.3+ 0.7- 822/CO 1948 12 03.75207 23 05 03.51 -03 35 36.8 1.1- 1.0- 008/AG - continued - P/Ashbrook-Jackson NK 538 - 3 Date/ UT R.A. (1950) Decl. *** O-C *** Code/Obs. h m s ¡ , " " " 1948 12 03.77424 23 05 04.86 -03 35 21.8 0.8- 0.3- 008/AG 1949 01 18.77467 00 04 33.12 +05 16 04.5 0.3- 0.1- 008/AG 1949 01 18.80514 00 04 35.79 +05 16 27.1 0.8- 0.5+ 008/AG 1949 01 27.17391 00 17 17.18 +06 57 54.5 0.1- 0.2- 662/LI 1949 01 27.18224 00 17 17.96 +06 58 00.5 0.2+ 0.3- 662/LI 1949 01 30.02954 00 21 42.73 +07 32 34.3 ( 3.4+ 3.0-) 754/YK 1949 02 17.06311 00 50 31.72 +11 11 02.5 ( 1.2+ 2.8-) 754/YK 1949 02 18.04793 00 52 08.66 +11 22 55.3 ( 3.3+ 0.4+) 754/YK 1949 10 28.44153 07 08 52.33 +37 08 04.2 ( 3.2+ 2.4+) 662/LI 1949 10 28.50750 07 08 53.00 +37 08 20.5 ( 3.7+ 3.3+) 662/LI 1955 04 24.43531 18 41 43.43 -37 57 41.2 ( 3.7- 1.7-) 711/MC 1955 04 24.44608 18 41 43.89 -37 57 42.4 1.0- 0.0 711/MC 1955 05 27.05382 18 40 55.94 -40 34 52.2 ( 3.5- 2.9+) 076/HB 1955 06 20.87813 18 22 19.99 -42 01 55.3 2.2- 0.9- 076/HB 1955 06 23.86216 18 19 23.78 -42 06 41.6 1.0- 0.1+ 076/HB 1955 07 22.77882 17 52 30.21 -41 30 52.0 0.9- 2.0+ 076/HB 1955 09 07.16191 17 51 41.54 -37 37 26.0 0.3- 0.5- 662/LI 1955 09 07.17784 17 51 42.15 -37 37 20.7 0.4- 0.4- 662/LI 1955 09 21.14183 18 03 34.81 -36 22 33.2 0.2+ 0.1- 662/LI 1955 09 21.15396 18 03 35.49 -36 22 29.2 0.4- 0.0 662/LI 1955 10 11.10528 18 27 53.80 -34 34 58.3 0.6- 0.5- 711/MC 1956 08 07.29550 03 17 54.35 +24 22 37.7 0.3+ 0.7+ 754/YK 1956 08 07.30939 03 17 55.49 +24 22 46.2 2.4+ 1.1+ 754/YK 1956 08 09.40587 03 20 22.60 +24 43 00.3 0.0 0.5+ 662/LI 1956 08 09.41559 03 20 23.33 +24 43 06.5 0.8+ 1.0+ 662/LI 1956 09 07.33382 03 46 12.69 +29 01 03.4 1.9- 0.7- 754/YK 1956 09 08.32554 03 46 46.59 +29 09 11.4 0.6- 1.6- 754/YK 1956 09 08.33822 03 46 47.14 +29 09 17.4 1.3+ 1.9- 754/YK 1956 10 26.22801 03 40 08.23 +34 07 16.2 0.4- 1.1+ 662/LI 1956 10 26.24051 03 40 07.57 +34 07 18.7 0.9- 1.1+ 662/LI 1956 12 22.21273 02 55 18.16 +32 45 09.5 0.7- 1.4- 662/LI 1956 12 22.22592 02 55 17.95 +32 45 06.0 0.6- 2.1- 662/LI 1957 02 19.24369 03 23 30.45 +31 22 26.8 ( 3.0+ 1.4+) 662/LI 1957 02 19.27564 03 23 32.37 +31 22 29.1 2.4+ 2.6+ 662/LI 1962 05 09.30551 15 40 53.75 -33 51 57.9 1.3+ 0.5- 689/FS 1962 05 10.35268 15 40 01.18 -33 51 57.5 1.1+ 0.3- 689/FS 1962 05 24.21881 15 27 58.46 -33 40 03.8 1.4- 1.9+ 689/FS 1962 07 01.22534 15 02 43.76 -31 52 46.1 ( 3.0+ 0.8+) 689/FS 1963 05 24.43369 22 44 07.53 -19 26 43.2 1.8- 1.9+ 689/FS 1963 05 29.41479 22 50 23.04 -18 53 41.1 1.8- 1.0+ 689/FS 1963 05 29.43910 22 50 24.87 -18 53 33.1 0.9- 0.3- 689/FS 1963 06 17.41072 23 11 02.45 -16 59 43.2 2.2- 0.2- 689/FS 1963 06 17.44197 23 11 04.23 -16 59 32.7 1.3- 0.3+ 689/FS 1963 07 15.35990 23 29 13.36 -14 59 48.8 0.2- 0.5+ 689/FS 1963 07 15.36892 23 29 13.56 -14 59 47.3 0.3+ 0.4+ 689/FS 1963 08 13.44258 23 27 06.62 -13 58 48.9 0.8- 1.0+ 689/FS 1963 08 13.45161 23 27 06.33 -13 58 48.2 1.0- 0.9+ 689/FS 1963 09 11.34096 23 05 57.92 -13 05 32.2 1.0- 1.2- 689/FS 1963 09 11.34582 23 05 57.66 -13 05 31.4 1.0- 1.2- 689/FS 1963 10 09.15332 22 47 25.59 -10 59 22.3 0.8- 0.8+ 689/FS - continued - P/Ashbrook-Jackson NK 538 - 4 Date/ UT R.A. (1950) Decl. *** O-C *** Code/Obs. h m s ¡ , " " " 1963 10 09.16582 22 47 25.28 -10 59 17.6 0.9- 0.9+ 689/FS 1963 11 07.07457 22 48 36.30 -07 19 29.1 2.3+ 2.6- 689/FS 1963 11 07.08603 22 48 36.54 -07 19 22.8 1.7+ 2.3- 689/FS 1963 12 17.14758 23 22 30.87 -00 37 40.3 0.8+ 0.3- 689/FS 1963 12 17.16355 23 22 31.94 -00 37 28.5 0.3+ 0.9+ 689/FS 1964 01 16.15091 00 02 19.31 +05 07 11.4 0.5- 0.8- 689/FS 1964 01 16.17383 00 02 21.25 +05 07 27.3 1.3- 1.2- 689/FS 1964 02 05.10161 00 32 33.86 +09 05 10.6 1.9+ 0.5- 689/FS 1964 02 05.12556 00 32 36.12 +09 05 28.4 2.1+ 0.2+ 689/FS 1964 09 11.40730 06 37 44.61 +34 45 15.2 1.1- 1.1+ 689/FS 1964 09 11.46842 06 37 48.66 +34 45 22.9 1.4- 0.0 689/FS 1964 10 11.36220 07 03 49.46 +36 04 20.7 0.9+ 2.6+ 689/FS 1964 10 11.42748 07 03 51.80 +36 04 34.0 ( 2.2+ 3.2+) 689/FS 1964 11 04.37874 07 11 05.32 +37 30 51.3 ( 1.6+ 2.8+) 689/FS 1964 12 10.34518 06 54 21.72 +39 45 43.5 ( 3.8+ 0.4+) 689/FS 1965 01 31.26207 06 09 13.28 +39 09 48.0 2.0+ 1.4+ 689/FS 1965 01 31.36277 06 09 09.99 +39 09 26.6 0.3- 1.6+ 689/FS 1965 02 25.23856 06 04 22.86 +37 33 35.6 ( 3.6+ 0.7+) 689/FS 1970 03 09.32499 18 16 18.11 -35 02 30.9 (21.3+ 3.5-) 821/AL 1970 03 09.33193 18 16 18.11 -35 02 30.9 (15.1+ 2.2-) 821/AL 1970 03 09.34965 18 16 19.10 -35 02 28.4 (11.4+ 3.4+) 821/AL 1970 05 01.34995 19 02 23.50 -38 09 57.9 0.3- 0.1+ 821/AL 1970 05 01.36869 19 02 23.98 -38 10 02.8 0.6+ 0.4+ 821/AL 1970 05 02.26103 19 02 44.14 -38 14 07.3 0.4+ 0.2+ 821/AL 1970 05 02.27492 19 02 44.25 -38 14 11.8 1.6- 0.3- 821/AL 1970 05 02.28881 19 02 44.57 -38 14 16.5 1.2- 1.1- 821/AL 1970 05 02.30270 19 02 45.25 -38 14 24.1 ( 3.5+ 4.8-) 821/AL 1970 05 03.32837 19 03 06.54 -38 19 03.9 1.3+ 0.7- 821/AL 1970 05 03.34573 19 03 06.76 -38 19 08.0 0.1+ 0.1+ 821/AL 1970 05 03.36656 19 03 07.18 -38 19 14.3 0.5+ 0.4- 821/AL 1970 05 08.43854 19 04 30.34 -38 43 18.2 0.5+ 0.5- 691/ST 1970 05 08.46163 19 04 30.59 -38 43 25.2 0.5+ 0.8- 691/ST 1970 06 07.35419 18 58 29.28 -41 10 35.1 0.0 0.2- 693/CT 1970 06 07.39933 18 58 27.49 -41 10 47.1 0.4- 0.2- 693/CT 1970 07 05.18441 18 33 54.61 -42 23 06.1 0.1+ 0.3+ 805/EL 1970 07 06.18925 18 32 52.84 -42 23 12.8 0.2+ 0.4- 805/EL 1970 07 06.29862 18 32 46.16 -42 23 16.6 0.6+ 0.5- 693/CT 1970 07 06.32571 18 32 44.47 -42 23 16.6 1.0+ 0.6- 693/CT 1970 07 11.17105 18 27 50.28 -42 20 42.7 0.7- 0.4- 805/EL 1970 07 12.16418 18 26 51.39 -42 19 37.4 0.5+ 0.7- 805/EL 1970 07 13.78056 18 25 16.58 -42 17 24.6 2.2+ 0.5- 323/PR 1970 07 27.12762 18 13 53.93 -41 41 06.1 1.4- 0.9- 805/EL 1970 07 30.60486 18 11 35.99 -41 26 55.4 0.7+ 1.3+ 323/PR 1970 08 04.64375 18 08 52.46 -41 03 42.0 0.2- 1.4+ 323/PR 1970 08 05.61667 18 08 26.17 -40 58 50.9 ( 1.8- 4.2+) 323/PR 1970 08 22.51389 18 05 46.15 -39 24 09.6 1.3+ 0.7+ 323/PR 1970 08 30.01694 18 07 34.84 -38 38 13.0 ( 9.0+ 1.1-) 805/EL 1970 09 01.01355 18 08 20.85 -38 25 47.8 0.0 0.4- 805/EL 1970 09 05.01437 18 10 16.66 -38 00 48.2 0.2+ 0.1- 805/EL 1970 09 22.60868 18 24 04.34 -36 09 53.7 0.2+ 1.5+ 323/PR - continued - P/Ashbrook-Jackson NK 538 - 5 Date/ UT R.A. (1950) Decl. *** O-C *** Code/Obs. h m s ¡ , " " " 1971 06 20.44724 02 29 59.50 +18 37 08.6 0.3+ 0.1- 693/CT 1971 07 24.46389 03 24 38.28 +24 46 25.2 0.6+ 1.1+ 691/ST 1971 07 24.47101 03 24 38.88 +24 46 29.1 0.2+ 0.7+ 691/ST 1971 08 23.45417 04 04 04.40 +29 17 15.6 0.9+ 1.3+ 693/CT 1971 08 23.47847 04 04 05.99 +29 17 27.9 1.1+ 1.3+ 693/CT 1971 09 19.40764 04 26 23.27 +32 49 13.3 0.1- 0.8+ 693/CT 1971 09 19.43368 04 26 24.03 +32 49 24.8 0.0 0.6+ 693/CT 1971 10 19.48264 04 28 11.62 +36 07 09.2 0.5- 1.1+ 693/CT 1971 10 19.50625 04 28 11.00 +36 07 16.9 0.4- 1.3+ 693/CT 1971 12 21.17390 03 35 20.06 +36 21 10.6 0.5- 1.5+ 691/ST 1971 12 21.19878 03 35 19.18 +36 21 04.5 0.4- 1.3+ 691/ST 1972 01 21.16458 03 31 16.05 +34 24 47.0 0.1- 0.5+ 693/CT 1972 01 21.20833 03 31 16.80 +34 24 39.0 0.5+ 0.4+ 693/CT 1972 02 10.21048 03 41 38.81 +33 40 54.4 0.8- 2.4+ 691/ST 1972 02 17.11806 03 47 04.13 +33 32 23.8 0.0 2.2+ 693/CT 1972 02 17.16458 03 47 06.41 +33 32 21.1 0.3- 2.5+ 693/CT 1977 04 28.32625 16 15 46.76 -35 35 13.6 0.1+ 2.5- 821/AL 1977 04 28.36929 16 15 45.07 -35 35 17.8 0.1- 0.8- 821/AL 1977 05 26.61113 15 52 32.70 -35 56 15.2 1.3+ 0.0 323/PR 1977 09 11.51354 15 51 44.66 -32 19 20.8 0.7- 0.9+ 323/PR 1977 09 13.53264 15 53 55.62 -32 20 16.4 0.8+ 0.4- 323/PR 1977 10 13.52442 16 33 03.60 -32 45 36.8 ( 6.7+ 1.2-) 323/PR 1978 04 05.40386 22 05 25.96 -20 40 15.6 ( 0.6- 3.2+) 809/ES 1978 04 05.41009 22 05 26.55 -20 40 12.5 1.8- 2.6+ 809/ES 1978 04 05.41633 22 05 27.40 -20 40 09.0 0.7+ 2.3+ 809/ES 1978 04 06.40216 22 07 14.37 -20 30 15.5 0.9- 0.4- 809/ES 1978 04 06.41117 22 07 15.52 -20 30 09.6 1.6+ 0.0 809/ES 1978 04 06.41567 22 07 15.87 -20 30 05.4 0.3- 1.5+ 809/ES 1978 04 07.40048 22 09 02.52 -20 20 09.2 0.2- 0.1+ 809/ES 1978 04 07.40741 22 09 03.24 -20 20 04.7 0.5- 0.4+ 809/ES 1978 04 07.41433 22 09 03.96 -20 19 59.8 0.9- 1.2+ 809/ES 1978 04 09.39779 22 12 37.85 -19 59 49.2 0.7+ 2.5+ 809/ES 1978 04 09.40610 22 12 38.70 -19 59 46.6 0.1+ 0.0 809/ES 1978 04 09.41441 22 12 39.53 -19 59 41.8 0.7- 0.2- 809/ES 1978 04 10.37982 22 14 23.16 -19 49 48.9 0.1+ 1.4+ 809/ES 1978 04 10.40129 22 14 25.49 -19 49 37.1 0.7+ 0.1+ 809/ES 1978 04 10.41652 22 14 27.02 -19 49 28.1 0.6- 0.2- 809/ES 1978 04 11.37709 22 16 09.84 -19 39 36.7 0.7+ 1.2+ 809/ES 1978 04 11.39649 22 16 11.75 -19 39 25.8 1.5- 0.2+ 809/ES 1978 04 11.41380 22 16 13.68 -19 39 15.0 0.2- 0.5+ 809/ES 1978 04 12.38336 22 17 57.01 -19 29 17.1 0.4- 1.2+ 809/ES 1978 04 12.40068 22 17 58.79 -19 29 05.3 1.2- 2.4+ 809/ES 1978 04 12.41176 22 18 00.05 -19 28 59.6 0.1+ 1.3+ 809/ES 1978 04 13.40279 22 19 45.17 -19 18 47.6 2.1- 1.4+ 809/ES 1978 04 13.40833 22 19 45.83 -19 18 43.6 1.0- 2.0+ 809/ES 1978 04 13.41387 22 19 46.49 -19 18 40.1 0.0 2.1+ 809/ES 1978 04 14.38206 22 21 29.04 -19 08 41.1 0.5+ 1.6+ 809/ES 1978 04 14.40283 22 21 31.08 -19 08 27.8 1.6- 2.2+ 809/ES 1978 04 14.41392 22 21 32.30 -19 08 21.7 0.8- 1.4+ 809/ES 1978 04 19.39680 22 30 14.38 -18 16 37.7 2.1- 0.3- 809/ES - continued - P/Ashbrook-Jackson NK 538 - 6 Date/ UT R.A. (1950) Decl. *** O-C *** Code/Obs. h m s ¡ , " " " 1978 04 19.40511 22 30 15.15 -18 16 31.6 ( 3.3- 0.7+) 809/ES 1978 04 19.41350 22 30 16.04 -18 16 28.8 ( 3.0- 1.8-) 809/ES 1978 04 20.38230 22 31 56.60 -18 06 18.3 1.9- 1.0+ 809/ES 1978 04 20.39961 22 31 58.44 -18 06 07.3 1.1- 1.2+ 809/ES 1978 04 20.40792 22 31 59.44 -18 06 02.8 1.0+ 0.6+ 809/ES 1978 04 20.88733 22 32 48.91 -18 01 00.0 0.6- 2.2+ 323/PR 1978 04 21.89333 22 34 32.54 -17 50 30.3 2.5- 0.7- 323/PR 1978 04 22.37406 22 35 22.09 -17 45 27.0 1.6- 0.1- 809/ES 1978 04 22.37821 22 35 22.52 -17 45 24.4 1.5- 0.1- 809/ES 1978 04 22.38237 22 35 22.91 -17 45 21.2 2.0- 0.5+ 809/ES 1978 04 24.36929 22 38 46.33 -17 24 28.0 ( 3.1- 0.1+) 809/ES 1978 04 24.38730 22 38 48.21 -17 24 16.4 2.3- 0.4+ 809/ES 1978 04 24.39561 22 38 49.02 -17 24 11.5 ( 2.8- 0.1+) 809/ES 1978 04 26.38876 22 42 11.74 -17 03 10.3 1.3- 0.2+ 809/ES 1978 04 26.39707 22 42 12.57 -17 03 04.9 1.4- 0.4+ 809/ES 1978 06 13.82787 23 54 40.33 -08 38 36.1 2.3- 1.0- 323/PR 1978 06 29.90625 00 13 10.98 -06 06 21.7 ( 0.8- 3.5-) 323/PR 1978 07 10.90433 00 23 30.59 -04 30 27.7 ( 2.8- 0.2+) 323/PR 1978 07 31.02046 00 36 04.36 -01 57 08.8 1.1+ 0.1+ 046/KL 1978 07 31.03481 00 36 04.60 -01 57 03.5 0.0 0.5- 046/KL 1978 07 31.30844 00 36 10.98 -01 55 08.7 1.9+ 1.8+ 801/HO 1978 07 31.69760 00 36 19.45 -01 52 24.5 0.7- 0.2- 474/JN 1978 07 31.71902 00 36 19.89 -01 52 15.7 0.7- 0.2- 474/JN 1978 08 01.00878 00 36 26.29 -01 50 25.3 ( 2.9- 0.4+) 046/KL 1978 08 01.02360 00 36 26.63 -01 50 19.9 2.4- 0.2- 046/KL 1978 08 01.92465 00 36 45.87 -01 44 09.5 ( 4.0+ 6.3+) 190/GI 1978 08 02.01550 00 36 47.33 -01 43 40.4 2.5- 0.3- 046/KL 1978 08 02.03008 00 36 47.72 -01 43 34.1 0.8- 0.1+ 046/KL 1978 08 03.92083 00 37 22.89 -01 30 59.6 ( 1.3+ 6.2+) 190/GI 1978 08 04.32021 00 37 29.33 -01 28 22.4 1.9- 1.3+ 805/EL 1978 08 04.33236 00 37 29.52 -01 28 17.4 1.7- 1.5+ 805/EL 1978 08 04.34763 00 37 29.76 -01 28 11.6 1.4- 1.4+ 805/EL 1978 08 04.37402 00 37 30.07 -01 28 01.0 2.4- 1.8+ 805/EL 1978 08 06.89886 00 38 06.48 -01 11 58.7 ( 2.6+ 6.4+) 190/GI 1978 08 08.87535 00 38 26.88 -00 59 44.3 0.3+ 2.3+ 323/PR 1978 08 09.02351 00 38 28.29 -00 58 58.8 0.2- 0.8+ 095/CR 1978 08 09.02698 00 38 28.34 -00 58 57.1 0.1+ 1.2+ 095/CR 1978 08 09.32816 00 38 30.53 -00 56 58.9 ( 4.5- 2.8+) 805/EL 1978 08 10.02860 00 38 36.12 -00 52 54.8 0.3+ 1.2+ 095/CR 1978 08 10.03661 00 38 36.17 -00 52 52.3 0.5+ 0.8+ 095/CR 1978 08 11.38052 00 38 43.68 -00 44 46.0 1.6- 1.8+ 805/EL 1978 08 13.75590 00 38 50.05 -00 31 05.0 2.4- 0.6+ 323/PR 1978 08 14.81806 00 38 49.78 -00 25 06.7 0.5+ 0.7+ 323/PR 1978 08 24.74618 00 37 13.37 +00 25 59.8 2.0+ 0.9+ 323/PR 1978 08 26.90713 00 36 29.98 +00 35 48.8 0.9- 1.8- 046/KL 1978 08 26.91928 00 36 29.69 +00 35 52.6 1.1- 1.3- 046/KL 1978 08 29.73924 00 35 21.40 +00 48 28.6 0.9+ 0.4- 323/PR 1978 08 30.28332 00 35 06.81 +00 50 40.2 ( 2.8+ 0.7-) 801/HO 1978 08 30.83646 00 34 51.20 +00 53 09.7 1.9+ 0.7+ 323/PR 1978 08 31.97325 00 34 18.16 +00 57 43.9 0.2+ 1.0- 095/CR - continued - P/Ashbrook-Jackson NK 538 - 7 Date/ UT R.A. (1950) Decl. *** O-C *** Code/Obs. h m s ¡ , " " " 1978 09 01.04147 00 34 15.95 +00 58 00.3 0.2- 1.4- 095/CR 1978 09 02.37708 00 33 34.51 +01 03 25.5 0.1+ 2.2- 688/LO 1978 09 02.97966 00 33 14.92 +01 05 52.1 1.3- 1.8+ 993/WL 1978 09 03.94444 00 32 42.46 +01 09 37.1 1.5+ 0.6- 095/CR 1978 09 03.94792 00 32 42.22 +01 09 37.7 0.2- 0.9- 095/CR 1978 09 04.65729 00 32 17.62 +01 12 30.6 0.4+ 0.2- 323/PR 1978 09 05.00104 00 32 04.97 +01 13 41.3 0.7- 0.5- 123/BU 1978 09 05.00452 00 32 04.86 +01 13 41.3 0.3- 1.3- 123/BU 1978 09 05.00782 00 32 04.69 +01 13 41.5 1.0- 1.9- 123/BU 1978 09 05.65938 00 31 41.38 +01 16 19.7 0.1+ 0.8+ 323/PR 1978 09 05.97240 00 31 29.58 +01 17 20.6 0.2- 0.6- 095/CR 1978 09 06.65069 00 31 04.34 +01 20 00.7 1.5+ 0.4+ 323/PR 1978 09 07.95475 00 30 13.25 +01 24 38.0 0.1+ 1.0+ 095/CR 1978 09 07.96405 00 30 12.83 +01 24 38.8 0.6+ 0.6- 123/BU 1978 09 07.96826 00 30 12.71 +01 24 39.2 1.4+ 1.1- 123/BU 1978 09 07.97127 00 30 12.54 +01 24 40.3 0.8+ 0.6- 123/BU 1978 09 10.29045 00 28 37.03 +01 32 50.1 1.3+ 0.0 801/HO 1978 09 12.98882 00 26 38.32 +01 41 55.2 0.1- 1.6+ 095/CR 1978 09 16.79631 00 23 39.59 +01 53 58.8 1.8- 0.2+ 114/ZE 1978 09 16.81588 00 23 38.60 +01 54 03.8 1.9- 1.6+ 114/ZE 1978 09 16.81944 00 23 38.11 +01 54 09.9 0.1- 1.2- 323/PR 1978 09 16.82844 00 23 38.09 +01 54 04.5 0.1- 0.1- 114/ZE 1978 09 19.72091 00 21 15.33 +02 02 44.1 ( 3.7+ 1.7-) 114/ZE 1978 09 21.74012 00 19 32.35 +02 08 38.5 0.9- 1.7+ 114/ZE 1978 09 22.79625 00 18 37.93 +02 11 37.6 0.6- 0.9+ 114/ZE 1978 09 24.82769 00 16 52.50 +02 17 15.7 0.9- 0.2- 046/KL 1978 09 24.83909 00 16 51.89 +02 17 17.0 0.9- 0.8- 046/KL 1978 09 25.83169 00 16 00.10 +02 20 01.0 0.9- 0.1- 046/KL 1978 09 25.84315 00 15 59.55 +02 20 03.2 0.1+ 0.2+ 046/KL 1978 09 25.8958 00 15 56.79 +02 20 12.3 0.3+ 0.9+ 494/mn 1978 09 25.91166 00 15 55.82 +02 20 20.3 ( 1.6- 6.2+) 993/WL 1978 09 26.25509 00 15 37.68 +02 21 11.1 0.3- 0.2+ 801/HO 1978 09 26.95454 00 15 01.07 +02 23 07.1 ( 3.0- 3.2+) 542/FK 1978 09 26.96075 00 15 00.95 +02 23 07.0 0.2+ 2.1+ 542/FK 1978 09 26.98971 00 14 59.39 +02 23 09.3 0.5+ 0.6- 046/KL 1978 09 28.28586 00 13 51.40 +02 26 50.8 ( 1.3- 3.0+) 805/EL 1978 09 28.65799 00 13 32.43 +02 27 47.2 1.7+ 0.3- 323/PR 1978 09 28.87310 00 13 21.08 +02 28 12.3 0.6- 1.3- 095/CR 1978 09 28.89418 00 13 19.92 +02 28 18.2 0.3- 1.1+ 114/ZE 1978 09 28.92850 00 13 18.12 +02 28 23.1 1.7- 1.2+ 542/FK 1978 09 28.96839 00 13 15.87 +02 28 29.0 ( 3.2- 0.8+) 542/FK 1978 09 29.92753 00 12 26.18 +02 31 04.1 0.9+ 2.0+ 114/ZE 1978 09 30.31389 00 12 06.18 +02 32 04.3 0.4+ 0.1- 688/LO 1978 09 30.62251 00 11 50.32 +02 32 53.1 2.2+ 0.4- 885/ur 1978 09 30.62535 00 11 50.14 +02 32 54.6 1.8+ 0.7+ 885/ur 1978 10 01.50868 00 11 04.68 +02 35 14.1 0.6- 0.0 882/sz 1978 10 01.51215 00 11 04.58 +02 35 15.3 0.6+ 0.7+ 882/sz 1978 10 01.51632 00 11 04.26 +02 35 16.0 0.8- 0.7+ 882/sz 1978 10 01.74824 00 10 52.40 +02 35 51.6 0.5- 0.4+ 114/ZE 1978 10 01.77078 00 10 51.32 +02 35 54.5 0.7+ 0.2- 095/CR - continued - P/Ashbrook-Jackson NK 538 - 8 Date/ UT R.A. (1950) Decl. *** O-C *** Code/Obs. h m s ¡ , " " " 1978 10 01.77710 00 10 50.94 +02 35 55.4 0.1+ 0.3- 095/CR 1978 10 02.61674 00 10 07.86 +02 38 11.2 1.9+ 1.6+ 885/ur 1978 10 02.62292 00 10 07.57 +02 38 11.9 2.5+ 1.3+ 885/ur 1978 10 02.84076 00 09 56.52 +02 38 45.3 1.4+ 1.1+ 114/ZE 1978 10 03.17368 00 09 39.39 +02 39 38.7 1.3- 1.7+ 801/HO 1978 10 03.78330 00 09 08.92 +02 41 13.1 1.2+ 0.2- 095/CR 1978 10 03.78508 00 09 08.91 +02 41 12.3 2.4+ 1.3- 095/CR 1978 10 03.87674 00 09 03.94 +02 41 28.4 0.3+ 0.2+ 114/ZE 1978 10 04.78362 00 08 18.69 +02 43 50.9 0.4- 0.9- 095/CR 1978 10 04.78714 00 08 18.62 +02 43 53.2 1.3+ 0.9+ 095/CR 1978 10 04.82705 00 08 16.54 +02 43 59.2 1.0+ 0.5+ 095/CR 1978 10 04.86383 00 08 14.45 +02 44 06.8 1.2- 2.2+ 114/ZE 1978 10 05.77506 00 07 29.74 +02 46 31.0 1.8+ 1.7+ 114/ZE 1978 10 07.84942 00 05 49.23 +02 51 59.3 0.4+ 1.2- 046/KL 1978 10 07.86354 00 05 48.51 +02 52 00.9 0.1+ 1.9- 046/KL 1978 10 07.90368 00 05 46.59 +02 52 07.5 0.9+ 1.4- 542/FK 1978 10 07.91159 00 05 46.15 +02 52 16.1 ( 0.2+ 5.9+) 542/FK 1978 10 08.77048 00 05 05.77 +02 54 27.4 0.1- 1.9- 095/CR 1978 10 08.78089 00 05 05.31 +02 54 30.7 0.6+ 0.3- 095/CR 1978 10 08.88953 00 05 00.09 +02 54 46.7 0.0 1.6- 046/KL 1978 10 08.90376 00 04 59.46 +02 54 48.6 0.9+ 2.0- 046/KL 1978 10 09.91619 00 04 12.52 +02 57 34.4 0.6+ 1.1- 095/CR 1978 10 09.96558 00 04 10.31 +02 57 41.6 1.0+ 1.6- 046/KL 1978 10 09.98039 00 04 09.56 +02 57 43.9 0.3+ 1.7- 046/KL 1978 10 10.03315 00 04 06.97 +02 57 55.6 0.3+ 1.1+ 114/ZE 1978 10 22.85330 23 55 59.24 +03 35 44.4 1.3- 0.4+ 494/mn 1978 10 25.75517 23 54 40.66 +03 45 24.0 0.0 0.5- 095/CR 1978 10 28.10675 23 53 46.51 +03 53 37.4 1.5- 0.3- 801/HO 1978 10 28.8566 23 53 31.60 +03 56 19.2 ( 3.0+ 0.5+) 494/mn 1978 10 29.76711 23 53 13.94 +03 59 40.3 1.9- 1.5+ 095/CR 1978 10 29.77405 23 53 13.69 +03 59 40.9 ( 3.6- 0.5+) 095/CR 1978 10 30.64541 23 52 58.54 +04 03 02.1 1.2+ 0.1+ 323/PR 1978 10 31.46632 23 52 45.43 +04 06 02.1 0.9- 0.6+ 882/sz 1978 10 31.47500 23 52 45.28 +04 06 03.8 0.9- 0.3+ 882/sz 1978 10 31.90293 23 52 38.78 +04 07 39.4 0.3+ 1.1- 046/KL 1978 10 31.91821 23 52 38.55 +04 07 43.3 0.5+ 0.7- 046/KL 1978 11 01.12231 23 52 35.66 +04 08 31.7 0.8+ 0.1+ 801/HO 1978 11 02.83219 23 52 13.63 +04 15 14.1 0.8- 0.6+ 095/CR 1978 11 02.83919 23 52 13.50 +04 15 15.3 1.4- 0.2+ 095/CR 1978 11 03.94307 23 52 02.59 +04 19 42.4 ( 6.9+ 1.0+) 993/WL 1978 11 05.62014 23 51 48.63 +04 26 45.7 0.7- 0.6+ 323/PR 1978 11 05.78898 23 51 47.86 +04 27 19.0 0.9+ 1.3- 046/KL 1978 11 05.79662 23 51 47.78 +04 27 20.9 0.5+ 1.4- 046/KL 1978 11 17.70617 23 52 33.43 +05 23 22.7 0.3- 0.3- 046/KL 1978 11 17.71763 23 52 33.55 +05 23 27.0 0.6- 0.4+ 046/KL 1978 11 18.71846 23 52 48.07 +05 28 41.7 0.4+ 0.6+ 046/KL 1978 11 18.72998 23 52 48.17 +05 28 44.5 0.5- 0.3- 046/KL 1978 11 20.78390 23 53 22.69 +05 39 45.7 0.1+ 0.5- 095/CR 1978 11 22.82311 23 54 03.58 +05 51 01.7 0.3+ 1.3- 046/KL 1978 11 22.83804 23 54 03.85 +05 51 06.9 0.2- 1.1- 046/KL - continued - P/Ashbrook-Jackson NK 538 - 9 Date/ UT R.A. (1950) Decl. *** O-C *** Code/Obs. h m s ¡ , " " " 1978 11 24.71836 23 54 47.42 +06 01 49.8 1.4+ 0.8- 046/KL 1978 11 24.73259 23 54 47.70 +06 01 55.4 0.7+ 0.2- 046/KL 1978 11 25.86408 23 55 16.26 +06 08 31.1 1.6+ 0.5+ 993/WL 1978 11 26.7785 23 55 40.6 +06 13 53 2.5- 1.5- 494/mn Y 1978 12 02.03375 23 58 24.32 +06 46 17.8 ( 4.7- 1.9+) 801/HO 1978 12 04.81096 00 00 06.58 +07 04 16.5 0.0 1.8+ 046/KL 1978 12 04.82259 00 00 06.90 +07 04 18.4 1.7- 0.8- 046/KL 1978 12 18.70520 00 10 57.75 +08 42 46.9 0.8+ 0.1+ 046/KL 1978 12 18.71388 00 10 58.28 +08 42 50.5 1.8+ 0.2- 046/KL 1978 12 24.74167 00 16 44.37 +09 29 32.6 ( 2.9- 0.8-) 046/KL 1978 12 24.75347 00 16 45.49 +09 29 38.8 ( 3.3+ 0.2-) 046/KL 1978 12 30.07968 00 22 19.35 +10 12 41.3 0.3+ 1.0+ 801/HO 1978 12 30.4875 00 22 45.8 +10 16 04 1.9- 1.8+ 879/fr Y 1978 12 30.4971 00 22 46.9 +10 16 12 ( 5.2+ 5.1+) 879/fr Y 1979 01 18.73562 00 46 01.41 +13 02 42.1 2.1- 2.0- 046/KL 1979 01 18.74998 00 46 02.49 +13 02 56.3 ( 2.6- 4.4+) 046/KL 1985 03 20.66322 19 15 42.09 -34 23 09.4 1.9- 0.7- 474/JN 1985 03 20.70766 19 15 45.86 -34 23 11.0 0.9- 0.1+ 474/JN 1985 04 24.70536 19 57 45.44 -35 05 02.9 0.9- 0.5+ 474/JN 1985 04 24.74367 19 57 47.62 -35 05 07.3 0.7- 0.5+ 474/JN 1985 05 23.71786 20 17 30.79 -36 25 14.4 0.8+ 1.4- 474/JN 1985 05 23.74309 20 17 31.27 -36 25 19.7 0.6+ 1.1- 474/JN 1985 06 17.69306 20 17 52.90 -38 11 38.2 0.6+ 0.2+ 323/PR 1985 06 19.70521 20 17 07.71 -38 20 32.9 1.2- 1.7+ 323/PR 1985 06 21.59030 20 16 19.21 -38 28 48.8 0.7- 0.1- 474/JN 1985 06 21.60905 20 16 18.65 -38 28 53.5 0.9- 0.1+ 474/JN 1985 06 27.65833 20 13 03.70 -38 54 01.0 1.8- 1.9+ 323/PR 1985 07 05.61979 20 07 24.59 -39 22 06.9 0.2- 2.0+ 323/PR 1985 07 18.70608 19 55 39.43 -39 48 03.3 0.0 0.8- 474/JN 1985 07 18.71921 19 55 38.68 -39 48 04.3 0.2+ 1.4- 474/JN 1985 07 22.62361 19 51 51.72 -39 49 23.4 1.3- 1.5+ 323/PR 1985 08 05.57604 19 39 00.38 -39 26 56.1 0.6- 2.0- 323/PR 1985 08 07.57882 19 37 22.80 -39 20 15.0 1.6- 1.0- 323/PR 1985 08 08.60799 19 36 34.65 -39 16 29.7 0.4- 0.3- 323/PR 1985 08 13.63021 19 33 00.67 -38 55 16.3 1.6+ 0.3- 323/PR 1985 08 14.62088 19 32 22.61 -38 50 29.0 0.1- 0.3+ 474/JN 1985 08 14.63813 19 32 21.96 -38 50 24.1 0.1- 0.0 474/JN 1985 08 14.70382 19 32 19.79 -38 50 07.0 2.4+ 0.1- 323/PR 1985 08 16.64861 19 31 10.71 -38 40 18.8 0.6+ 1.0- 323/PR 1985 09 05.55069 19 26 12.12 -36 29 59.3 1.0+ 2.3- 323/PR 1985 09 18.53825 19 29 53.16 -34 45 45.5 1.0+ 0.9+ 474/JN 1985 09 18.55782 19 29 53.75 -34 45 35.4 1.3+ 0.9+ 474/JN 1985 10 16.49514 19 53 44.10 -30 36 08.6 ( 2.9+ 1.1+) 323/PR 1985 10 18.38618 19 55 58.58 -30 18 09.4 1.9+ 2.3+ 474/JN 1985 10 18.40476 19 55 59.87 -30 18 00.1 1.5+ 0.8+ 474/JN 1985 11 15.51111 20 35 43.85 -25 31 56.0 1.7- 0.9- 323/PR 1986 11 06.36110 05 15 25.64 +39 07 45.3 1.1- 0.3+ 691/ST 1986 11 06.38428 05 15 24.67 +39 07 50.6 1.4- 0.1- 691/ST 1986 11 06.39507 05 15 24.17 +39 07 53.4 2.2- 0.1+ 691/ST 1986 12 29.34204 04 26 44.44 +38 57 46.2 ( 0.4+ 2.9-) 691/ST - continued - P/Ashbrook-Jackson NK 538 - 10 Date/ UT R.A. (1950) Decl. *** O-C *** Code/Obs. h m s ¡ , " " " 1986 12 29.36495 04 26 43.47 +38 57 42.7 0.4+ 0.8- 691/ST 1986 12 29.37380 04 26 43.13 +38 57 41.0 0.7+ 0.4- 691/ST 1987 01 04.14632 04 23 12.19 +38 34 24.3 0.7- 0.6- 691/ST 1987 01 04.16387 04 23 11.55 +38 34 20.0 1.3- 0.6- 691/ST 1987 01 04.18994 04 23 10.71 +38 34 13.8 0.9- 0.3- 691/ST 1987 01 04.19956 04 23 10.43 +38 34 11.9 0.4- 0.2+ 691/ST 1987 01 04.20433 04 23 10.24 +38 34 10.7 0.7- 0.2+ 691/ST 1987 03 02.23096 04 34 37.86 +35 18 54.8 0.1+ 1.3+ 691/ST 1987 03 02.24828 04 34 38.73 +35 18 53.2 0.6+ 1.9+ 691/ST 1987 03 02.25277 04 34 38.93 +35 18 52.0 0.5+ 1.3+ 691/ST 1987 12 21.36473 09 20 10.01 +29 00 38.8 0.2+ 1.3+ 691/ST 1987 12 21.39008 09 20 09.47 +29 00 43.3 0.8+ 0.9+ 691/ST 1988 01 21.32810 09 01 33.19 +30 37 55.7 0.3+ 0.4+ 691/ST 1988 01 21.34363 09 01 32.43 +30 37 58.1 0.0 0.4+ 691/ST 1988 03 13.15356 08 27 39.53 +30 53 57.7 0.9+ 0.0 691/ST 1988 03 13.25751 08 27 37.26 +30 53 46.2 0.2- 0.7+ 691/ST ( ) -------- Rejected Obs.
Director, Computing Section Syuichi Nakano 1990 May 2