C/1999 K2 (Ferris)
Epoch 1999 Apr. 12.0 TT = JDT 2451280.5
T 1999 Apr. 10.44530 TT Nakano
q 5.2901285 (2000.0) P Q
z +0.0064790 Peri. 4.56013 +0.51252145 +0.07683077
+/-0.0000319 Node 300.31745 -0.81582863 -0.26711682
e 0.9657250 Incl. 82.18792 -0.26785332 +0.96059650
From 95 observations 1999 May 14-Aug. 22, mean residual 0".69.
(1/a)org.= +0.006912, (1/a)fut.= +0.007099 (+/-0.000032), Q= 6.
Residuals in seconds of arc
1999/ 990528 046 0.8- 0.8- 990716 071 0.3+ 1.4+
990514 704 1.3+ 1.3- 990528 046 0.2- 0.4+ 990716 071 0.0 1.4+
990514 704 1.7+ 0.8- 990530 046 0.1+ 0.5+ 990716 143 0.9- 0.7-
990514 704 0.3+ 0.4+ 990530 046 0.9+ 1.1+ 990716 143 0.5+ 1.0-
990514 704 (2.1+ 1.4+) 990530 046 0.9+ 0.9+ 990716 143 0.8+ 1.8-
990519 699 1.5- 0.9- 990530 046 0.6- 0.1- 990718 113 (0.4- 3.0+)
990519 699 1.6- 0.6- 990530 046 0.7+ 0.1- 990718 113 0.2- 0.1-
990519 699 1.1- 0.7- 990531 402 0.8- 1.3+ 990722 704 0.0 1.0+
990520 860 0.1+ 0.4- 990531 402 0.4- 0.7+ 990722 704 0.1+ 1.0-
990520 860 0.1+ 0.7- 990531 402 0.7- 0.7+ 990722 704 0.1- 1.2-
990520 699 0.6- 1.0- 990609 699 0.9+ 0.3- 990723 402 0.0 0.3+
990520 688 0.3+ 0.4+ 990609 699 (0.9+ 2.1-) 990723 402 0.1+ 0.1-
990520 699 0.3- 0.1- 990609 699 0.6+ 0.7- 990723 402 0.6+ 0.0
990520 699 1.0- 0.1- 990611 867 0.4+ 0.5+ 990802 159 0.3- 0.5-
990520 688 0.6+ 0.2+ 990611 867 0.9+ 0.6+ 990802 159 0.7- 0.9-
990521 704 (0.0 2.6-) 990611 867 0.7+ 0.4+ 990802 159 0.4- 1.0-
990521 704 0.2+ 0.9- 990614 402 0.1+ 0.6+ 990802 159 1.0- 0.3-
990521 704 (2.2- 1.3-) 990614 402 0.2- 0.0 990802 159 0.5- 0.0
990521 704 0.1+ 0.8+ 990614 402 0.0 0.6+ 990805 159 0.8+ 0.4-
990521 327 0.3- 0.1- 990623 701 0.0 0.8- 990805 159 0.5+ 0.3-
990521 327 0.5- 0.4- 990623 701 0.1+ 1.7- 990805 159 0.0 0.6+
990521 327 0.1- 0.1- 990623 701 0.2+ 1.1- 990805 159 1.9- 0.2+
990522 046 0.0 0.6+ 990706 844 0.3- 0.3+ 990807 159 0.1+ 0.4+
990522 046 0.1- 0.4+ 990706 844 0.1- 1.8- 990807 159 1.0+ 0.6+
990522 046 0.4+ 0.4- 990706 844 (0.8+ 3.9+) 990807 159 0.4+ 1.3+
990522 046 0.2+ 0.3+ 990708 360 0.1+ 0.4+ 990807 159 0.9+ 0.7+
990522 118 0.0 0.3- 990708 360 0.1+ 0.2+ 990807 159 0.1+ 0.1+
990522 118 0.3- 0.4- 990713 704 0.3+ 0.3+ 990810 557 0.0 0.0
990522 118 0.4- 0.1- 990713 704 1.4- 0.5+ 990810 557 0.1+ 0.2+
990522 693 0.1+ 0.6+ 990713 704 1.1- 0.8- 990810 557 0.2+ 0.2+
990522 693 0.1+ 0.6+ 990713 704 0.4- 0.9- 990822 113 0.7+ 0.6+
990522 693 0.1+ 0.5+ 990713 704 0.1- 0.2+ 990822 113 0.1- 0.6-
990523 897 (0.7+ 2.6+) 990715 118 (0.7- 2.8-) 990822 113 0.5- 0.0
990523 897 0.5- 0.8+ 990715 118 (0.6- 3.7-) 990829 402 (1.1- 2.9-)
990523 897 1.4+ 1.7+ 990716 071 0.2+ 1.3+
990528 046 0.4- 0.4- 990716 071 0.9+ 0.6+
NAKANO
**** Don't distribute anyone except personal use only ****
(C) Copyright 2002 OAA/ComputingSection
write mail from CFAD0::NAKANO on 2002-12-16 23:29:08(JST).
C/1999 K2 (Ferris)
Epoch 1999 Apr. 12.0 TT = JDT 2451280.5
T 1999 Apr. 10.24255 TT Nakano
q 5.2894937 (2000.0) P Q
z +0.0065951 Peri. 4.53718 +0.51246270 +0.07716846
+/-0.0000600 Node 300.31491 -0.81573643 -0.26737098
e 0.9651150 Incl. 82.17943 -0.26824627 +0.96049872
From 66 observations 1999 May 19-July 23, mean residual 0".65.
C/1999 K2 (Ferris)
T 1999 Apr. 7.08957 TT Nakano
q 5.2846331 (2000.0) P Q
z +0.0071259 Peri. 4.17763 +0.51178334 +0.08129476
+/-0.0003313 Node 300.29825 -0.81414080 -0.27198212
e 0.9623420 Incl. 82.12074 -0.27432202 +0.95886229
From 45 observations 1999 May 19-June 14.
RunOff +13", -28" for the last observation from my orbit determined 5/19-5/22.
C/1999 K2 (Ferris)
T 1999 Apr. 22.44979 TT Nakano
q 5.3225446 (2000.0) P Q
Peri. 5.92010 +0.51530680 +0.05977746
Node 300.42386 -0.82134605 -0.25031789
e 1.0 Incl. 82.49631 -0.24464172 +0.96631652
From 38 observations 1999 May 19-31.
Date/ TT R.A.(2000) Decl. Delta r Daily motion Mag. Moon Age
h h m ¡ , , / PA ¡ m1 ¡
1999 June 10 14 20 38.33 -04 57.3 4.657 5.335 11.9 / 311 16.6 85 .15
11 14 20 37.73 -04 49.5 4.645 5.336 12.0 / 310 16.6 99 .08
12 14 20 37.11 -04 41.7 4.633 5.336 12.2 / 310 16.6 114 .02
13 14 20 36.49 -04 34.0 4.622 5.337 12.3 / 309 16.6 129 .00
14 14 20 35.85 -04 26.3 4.611 5.337 12.4 / 308 16.6 143 .01
15 14 20 35.20 -04 18.6 4.600 5.338 12.5 / 308 16.6 156 .05
16 14 20 34.53 -04 10.9 4.589 5.338 12.6 / 307 16.6 165 .11
17 14 20 33.86 -04 03.3 4.579 5.339 12.8 / 306 16.6 164 .19
18 14 20 33.17 -03 55.8 4.569 5.340 12.9 / 306 16.6 154 .28
19 14 20 32.47 -03 48.2 4.559 5.340 13.0 / 305 16.6 142 .38
20 14 20 31.76 -03 40.8 4.549 5.341 13.1 / 305 16.6 130 .48
21 14 20 31.04 -03 33.3 4.540 5.341 13.2 / 304 16.6 118 .58
22 14 20 30.31 -03 25.9 4.531 5.342 13.3 / 303 16.6 106 .68
23 14 20 29.57 -03 18.6 4.522 5.343 13.4 / 303 16.6 94 .76
24 14 20 28.81 -03 11.2 4.514 5.343 13.5 / 302 16.6 82 .84
25 14 20 28.05 -03 04.0 4.505 5.344 13.6 / 302 16.5 71 .90
26 14 20 27.28 -02 56.8 4.497 5.345 13.7 / 301 16.5 59 .95
27 14 20 26.50 -02 49.6 4.490 5.345 13.8 / 301 16.5 48 .98
28 14 20 25.70 -02 42.5 4.482 5.346 13.9 / 300 16.5 37 1.00
29 14 20 24.90 -02 35.4 4.475 5.347 14.0 / 300 16.5 26 1.00
30 14 20 24.10 -02 28.4 4.468 5.347 14.1 / 300 16.5 18 .97
July 1 14 20 23.28 -02 21.5 4.462 5.348 14.2 / 299 16.5 16 .93
2 14 20 22.45 -02 14.6 4.456 5.349 14.2 / 299 16.5 23 .87
3 14 20 21.62 -02 07.7 4.450 5.350 14.3 / 298 16.5 33 .80
4 14 20 20.78 -02 01.0 4.444 5.350 14.4 / 298 16.5 45 .70
5 14 20 19.93 -01 54.2 4.439 5.351 14.4 / 297 16.5 58 .60
6 14 20 19.08 -01 47.6 4.434 5.352 14.5 / 297 16.5 71 .49
7 14 20 18.22 -01 41.0 4.430 5.353 14.5 / 297 16.5 85 .38
8 14 20 17.35 -01 34.5 4.425 5.353 14.6 / 296 16.5 98 .27
9 14 20 16.48 -01 28.0 4.421 5.354 14.6 / 296 16.5 113 .17
10 14 20 15.60 -01 21.6 4.418 5.355 14.7 / 296 16.5 127 .09
11 14 20 14.72 -01 15.3 4.414 5.356 14.7 / 295 16.5 140 .03
12 14 20 13.83 -01 09.0 4.411 5.357 14.7 / 295 16.5 153 .00
13 14 20 12.94 -01 02.9 4.409 5.358 14.7 / 295 16.5 161 .00
14 14 20 12.05 -00 56.7 4.406 5.358 14.7 / 294 16.5 160 .03
15 14 20 11.15 -00 50.7 4.404 5.359 14.8 / 294 16.5 152 .08
16 14 20 10.25 -00 44.7 4.403 5.360 14.8 / 294 16.5 140 .15
17 14 20 09.35 -00 38.8 4.402 5.361 14.7 / 293 16.5 128 .23
18 14 20 08.45 -00 33.0 4.401 5.362 14.7 / 293 16.5 116 .33
19 14 20 07.54 -00 27.3 4.400 5.363 14.7 / 293 16.5 104 .42
20 14 20 06.64 -00 21.6 4.400 5.364 14.7 / 292 16.5 92 .52
21 14 20 05.73 -00 16.0 4.400 5.365 14.7 / 292 16.5 81 .61
22 14 20 04.82 -00 10.5 4.400 5.366 14.6 / 292 16.5 69 .70
23 14 20 03.92 -00 05.1 4.401 5.367 14.6 / 292 16.5 58 .79
24 14 20 03.01 +00 00.3 4.402 5.368 14.6 / 291 16.5 47 .86
25 14 20 02.11 +00 05.6 4.403 5.369 14.5 / 291 16.5 36 .92
26 14 20 01.21 +00 10.8 4.405 5.370 14.4 / 291 16.5 27 .96
27 14 20 00.31 +00 15.9 4.407 5.370 14.4 / 291 16.5 20 .99
28 14 19 59.41 +00 21.0 4.410 5.371 14.3 / 290 16.5 20 1.00
29 14 19 58.51 +00 25.9 4.413 5.373 14.2 / 290 16.5 27 .99
30 14 19 57.62 +00 30.8 4.416 5.374 14.2 / 290 16.5 37 .95
31 14 19 56.74 +00 35.6 4.419 5.375 14.1 / 290 16.5 49 .90
Aug. 1 14 19 55.85 +00 40.3 4.423 5.376 14.0 / 289 16.5 61 .82
C/1999 K2 (Ferris)
T 1999 Oct. 30.33791 TT Nakano
q 5.1631447 (2000.0) P Q
Peri. 28.05778 +0.49038291 -0.16464596
Node 300.67670 -0.86067370 +0.06286129
e 1.0 Incl. 84.30397 +0.13698680 +0.98434758
From 23 observations 1999 May 19-22.
–ß‚è‚Ü‚·B