OAA computing section circular NK 557 Periodic Comet Kearns-Kwee
Epoch 1990 Nov. 5.0 ET = JDE 2448200.5 T 1990 Nov. 22.67473 ET Muraoka q 2.2153695 (1950.0) P Q n 0.10994241 Peri. 131.84423 +0.04808443 -0.99269552 a 4.3154481 Node 315.02718 +0.86370284 +0.09696501 e 0.4866421 Incl. 9.00713 +0.50170240 -0.07178710 P 8.96 From 167 observations 1971-1991, mean residual 1".06. Nongravitational parameters A1 = +0.72 +/- 0.06, A2 = -0.3090 +/- 0.0008. Periodic Comet Wild 2 Epoch 1990 Dec. 15.0 ET = JDE 2448240.5 T 1990 Dec. 16.91725 ET Muraoka q 1.5780533 (1950.0) P Q n 0.15461972 Peri. 41.57162 -0.99801509 -0.04890763 a 3.4378965 Node 135.57677 +0.03137669 -0.93238433 e 0.5409829 Incl. 3.24921 +0.05460204 -0.35814454 P 6.37 From 312 observations 1978-1991, mean residual 1".07. Nongravitational parameters A1 = +0.08 +/- 0.01, A2 = +0.0226 +/- 0.0005. Comet McNaught-Hughes (1990g) Epoch 1991 Mar. 5.0 ET = JDE 2448320.5 T 1991 Feb. 27.66374 ET Muraoka q 2.6822620 (1950.0) P Q z -0.0004586 Peri. 18.17855 -0.74633596 -0.32213649 +/-0.0000051 Node 232.51269 -0.66445119 +0.30991701 e 1.0012301 Incl. 132.77746 -0.03856486 +0.89452754 From 45 observations 1990 June 20-1991 June 14, mean residual 0".77. Periodic Comet Hartley 1 Epoch 1991 May 24.0 ET = JDE 2448400.5 T 1991 May 17.67665 ET Muraoka q 1.8183750 (1950.0) P Q n 0.16364523 Peri. 178.74652 -0.79722957 +0.54056545 a 3.3102985 Node 38.25956 -0.55754366 -0.48865676 e 0.4506915 Incl. 25.71993 -0.23145211 -0.68483835 P 6.02 From 36 observations 1985-1991, mean residual 0".85. Periodic Comet Levy (1991q) Epoch 1991 July 3.0 ET = JDE 2448440.5 T 1991 July 8.19230 ET Muraoka q 0.9825053 (1950.0) P Q n 0.01923996 Peri. 41.47599 +0.96510423 -0.19866057 a 13.7932495 Node 328.72245 +0.04700402 +0.77235545 e 0.9287691 Incl. 19.18454 +0.25761299 +0.60332498 P 51.23 From 70 observations 1991 June 15-1991 Dec. 13, mean residual 0".93. - continued - Orbits for HOAA 1992 NK 557 - 2 Periodic Comet Machholz Epoch 1991 July 3.0 ET = JDE 2448440.5 T 1991 July 21.98259 ET Muraoka q 0.1255455 (1950.0) P Q n 0.18819989 Peri. 14.52883 -0.18913394 -0.46405587 a 3.0157116 Node 93.82271 +0.79191421 -0.59316564 e 0.9583695 Incl. 60.14736 +0.58060334 +0.65788044 P 5.24 From 94 observations 1986-1991, mean residual 0".91. Periodic Comet Takamizawa Epoch 1991 Aug. 12.0 ET = JDE 2448480.5 T 1991 Aug. 17.91548 ET Muraoka q 1.5897828 (1950.0) P Q n 0.13642901 Peri. 147.64825 +0.03918001 +0.98990737 a 3.7370728 Node 124.25058 -0.94823742 +0.07981860 e 0.5745914 Incl. 9.48359 -0.31513605 -0.11709991 P 7.22 From 157 observations 1984-1991, mean residual 1".04. Comet Helin-Lawrence (1991l) Epoch 1992 Jan. 19.0 ET = JDE 2448640.5 T 1992 Jan. 20.02442 ET Muraoka q 1.5177660 (1950.0) P Q z -0.0003070 Peri. 271.15513 +0.00143640 +0.98134153 +/-0.0000238 Node 11.13613 +0.48506646 +0.16744979 e 1.0004659 Incl. 95.45099 -0.87447611 +0.09449529 From 65 observations 1991 Feb. 23-1991 July 09, mean residual 0".74. Periodic Comet Spitaler Epoch 1992 Dec. 4.0 ET = JDE 2448960.5 T 1992 Dec. 22.30446 ET Muraoka q 1.8508438 (1950.0) P Q n 0.15116450 Peri. 34.77817 +0.44123724 -0.89416246 a 3.4900863 Node 29.25559 +0.78394634 +0.34282946 e 0.4696854 Incl. 8.95214 +0.43673543 +0.28799558 P 6.52 From 22 observations 1890 Nov. 17-1891 Jan. 13, mean residual 2".28. Periodic Comet Schaumasse Epoch 1993 Feb. 22.0 ET = JDE 2449040.5 T 1993 Mar. 3.97714 ET Muraoka q 1.2021571 (1950.0) P Q n 0.11990141 Peri. 57.45004 -0.72352447 -0.65996301 a 4.0730512 Node 80.38561 +0.54424317 -0.72572376 e 0.7048510 Incl. 11.84541 +0.42463127 -0.19435494 P 8.22 From 31 observations 1960-1985, mean residual 1".04. Nongravitational parameters A1 = +0.49 +/- 0.06, A2 = -0.0515 +/- 0.0007. Director, Computing Section Syuichi Nakano 1991 December 15 ( ) -------- Rejected Obs.
Director, Computing Section Syuichi Nakano 1991 September 4