P/1999 D1 (Hermann)
Epoch 2012 Dec. 19.0 TT = JDT 2456280.5
T 2012 Dec. 18.91275 TT Nakano
q 1.6438136 (2000.0) P Q
n 0.07160174 Peri. 173.95851 -0.95639661 -0.28336148
a 5.7436370 Node 348.78614 +0.25041394 -0.67078154
e 0.7138027 Incl. 21.34806 +0.15032759 -0.68538924
P 13.77
From 110 observations 1999 Feb. 15-Apr. 14, mean residual 0".81.
Residuals in seconds of arc
1999/ 990223 411 1.1- 0.9- 990315 118 0.8+ 0.2-
990215 411 2.0- 1.1+ 990224 120 0.9- 0.4- 990316 402 0.7+ 0.4+
990220 699 0.7+ 1.6+ 990224 120 0.4- 0.6- 990316 402 0.8+ 0.1-
990220 699 1.2+ 1.4+ 990224 120 0.8- 0.9- 990316 402 1.4+ 0.5-
990220 699 1.3+ 0.2+ 990224 120 0.5- 0.6- 990316 372 0.6- 0.8-
990220 557 0.3+ 0.0 990224 372 0.4+ 0.9+ 990316 360 0.0 0.3-
990220 557 0.1- 0.6+ 990224 372 0.3- 0.1- 990316 360 0.1+ 0.3-
990220 557 0.3- 0.6- 990224 046 0.8+ 0.2+ 990316 360 0.3- 0.1+
990220 557 0.7- 0.2- 990224 046 0.5+ 0.2- 990317 402 1.3+ 0.5-
990220 557 1.4- 0.5+ 990224 046 0.8+ 0.2+ 990317 402 0.7+ 0.8-
990220 557 0.5- 0.3- 990224 046 0.1+ 1.0+ 990317 402 0.1- 1.1+
990221 691 0.9+ 0.2- 990225 118 0.2+ 1.8- 990318 428 1.6+ 1.6+
990221 691 0.5+ 0.2- 990225 118 0.9- 1.4- 990318 046 0.4+ 0.8-
990221 691 0.5+ 0.4- 990225 118 1.7- 0.7- 990318 046 1.0+ 0.3-
990221 897 0.1+ 0.5+ 990225 402 0.6- 1.6- 990318 046 0.7+ 0.3+
990221 897 0.0 1.3+ 990225 402 1.2- 1.7- 990318 046 0.6+ 1.0-
990221 897 0.4- 1.0+ 990225 402 1.6- 1.7- 990322 704 0.1+ 0.8-
990221 372 2.0- 0.1- 990225 897 1.6- 1.5+ 990322 704 0.2- 1.0+
990221 897 0.2+ 0.3+ 990225 897 0.1+ 0.2- 990322 704 0.1+ 1.1+
990221 372 0.5- 0.6+ 990225 897 (0.2+ 3.3+) 990322 704 0.8- 1.9+
990221 372 (0.6+ 3.5+) 990225 897 (3.7- 2.6+) 990322 704 0.6- 0.6+
990222 859 0.2- 0.4- 990226 046 0.4+ 0.7+ 990322 360 0.0 0.2-
990222 859 0.1+ 0.1- 990226 046 0.4+ 0.1+ 990322 360 0.4- 0.2+
990222 859 0.5+ 0.4+ 990226 046 0.6+ 1.2+ 990322 360 0.5- 0.1-
990222 711 0.5+ 0.5+ 990226 120 (3.2- 0.6-) 990322 372 0.2- 0.6+
990222 711 0.5+ 0.5+ 990226 120 1.3- 2.0- 990326 860 1.8+ 1.2-
990222 711 0.5+ 0.5+ 990227 120 (3.1- 2.4-) 990326 860 0.2+ 2.0+
990222 402 1.5+ 0.5- 990227 120 (1.2- 2.3-) 990326 860 (3.0+ 0.2-)
990222 402 0.0 0.6+ 990313 113 1.0- 1.0- 990404 402 0.1- 0.0
990222 355 0.9- 0.1- 990313 113 0.8- 1.1- 990404 402 0.5- 1.4+
990222 402 0.6+ 0.1+ 990313 367 1.3- 0.9- 990404 402 1.1- 1.1+
990222 355 0.3+ 0.0 990313 367 0.7- 0.0 990407 360 0.6- 0.3+
990222 355 0.0 0.4- 990313 104 0.6+ 1.5- 990407 360 0.5- 0.2-
990222 372 0.5+ 0.8+ 990313 104 0.4+ 0.4- 990407 360 0.5- 0.6-
990222 372 1.3+ 0.1+ 990313 104 0.6+ 0.2- 990414 693 0.4- 0.2+
990223 118 1.8+ 0.1- 990315 108 0.6- 1.0+ 990414 693 0.3- 0.1+
990223 118 1.5+ 0.4+ 990315 108 (7.3- 1.9+) 990414 693 0.4- 0.2-
990223 118 0.3+ 0.3+ 990315 108 (1.2+ 2.2+) 990414 360 0.0 0.9-
990223 411 1.4- 0.5+ 990315 118 1.1+ 0.5+ 990414 360 0.4- 0.0
990223 411 0.1+ 0.4- 990315 118 0.2+ 0.4- 990414 360 0.3+ 0.5-
NAKANO
**** Don't distribute anyone except personal use only ****
(C) Copyright 1999 OAA/ComputingSection
write mail from CFAD0::NAKANO on 1999-10-26 05:12:24(JST).
P/1999 D1 (Hermann)
T 1999 Feb. 18.02635 TT Nakano
q 1.6546466 (2000.0) P Q
n 0.07126121 Peri. 173.09719 -0.95512005 -0.28839293
a 5.7619204 Node 349.37577 +0.25120842 -0.66758520
e 0.7128307 Incl. 21.52324 +0.15697141 -0.68641061
P 13.83
From 108 observations 1999 Feb. 15-Apr. 14.
P/1999 D1 (Hermann)
T 1999 Feb. 18.00102 TT Nakano
q 1.6543771 (2000.0) P Q
n 0.07136907 Peri. 173.08092 -0.95502644 -0.28870487
a 5.7561136 Node 349.37370 +0.25144056 -0.66759343
e 0.7125878 Incl. 21.51590 +0.15716917 -0.68627145
P 13.81
From 98 observations 1999 Feb. 15-Mar. 26.
◎P/1999 D1の軌道と予報位置です
P/1999 D1 (Hermann)
T 1999 Feb. 18.00448 TT Nakano
q 1.6543585 (2000.0) P Q
n 0.07138767 Peri. 173.08297 -0.95503585 -0.28867396
a 5.7551138 Node 349.37353 +0.25142012 -0.66760997
e 0.7125411 Incl. 21.51521 +0.15714464 -0.68626837
P 13.81
Date/ TT R.A.(2000) Decl. Delta r Daily motion Mag. Moon Age
h h m ｡ , , / PA ｡ m1 ｡
1999 Mar. 25 12 11 40.25 -11 20.0 0.716 1.702 27.4 / 216 17.1 72 .62
26 12 11 39.14 -11 42.0 0.719 1.705 26.9 / 216 17.1 59 .72
27 12 11 38.06 -12 03.7 0.723 1.707 26.3 / 216 17.1 47 .81
28 12 11 37.00 -12 24.9 0.728 1.710 25.7 / 216 17.1 35 .88
29 12 11 35.97 -12 45.6 0.732 1.713 25.1 / 216 17.2 25 .94
30 12 11 34.96 -13 05.9 0.737 1.716 24.4 / 216 17.2 18 .98
31 12 11 33.99 -13 25.8 0.742 1.719 23.8 / 215 17.2 19 1.00
Apr. 1 12 11 33.04 -13 45.2 0.747 1.722 23.1 / 215 17.2 27 1.00
2 12 11 32.13 -14 04.1 0.752 1.725 22.5 / 215 17.2 36 .98
3 12 11 31.25 -14 22.6 0.758 1.728 21.8 / 214 17.3 47 .94
4 12 11 30.41 -14 40.7 0.764 1.731 21.2 / 214 17.3 58 .89
5 12 11 29.60 -14 58.3 0.770 1.735 20.5 / 213 17.3 69 .82
6 12 11 28.83 -15 15.5 0.776 1.738 19.8 / 212 17.3 80 .74
7 12 11 28.10 -15 32.3 0.782 1.742 19.2 / 211 17.4 91 .65
8 12 11 27.40 -15 48.7 0.789 1.745 18.5 / 211 17.4 103 .56
9 12 11 26.75 -16 04.6 0.796 1.749 17.9 / 210 17.4 114 .46
10 12 11 26.14 -16 20.1 0.802 1.752 17.2 / 209 17.5 125 .36
11 12 11 25.56 -16 35.2 0.810 1.756 16.6 / 207 17.5 137 .27
12 12 11 25.03 -16 50.0 0.817 1.760 16.0 / 206 17.5 147 .18
13 12 11 24.54 -17 04.3 0.825 1.763 15.4 / 205 17.5 155 .10
14 12 11 24.09 -17 18.3 0.832 1.767 14.8 / 203 17.6 157 .04
15 12 11 23.69 -17 32.0 0.840 1.771 14.3 / 201 17.6 151 .01
16 12 11 23.33 -17 45.2 0.848 1.775 13.7 / 199 17.6 140 .00
17 12 11 23.01 -17 58.2 0.857 1.779 13.2 / 197 17.7 128 .03
18 12 11 22.73 -18 10.8 0.865 1.783 12.7 / 195 17.7 114 .08
19 12 11 22.50 -18 23.1 0.874 1.787 12.3 / 193 17.7 101 .16
20 12 11 22.31 -18 35.1 0.882 1.791 11.9 / 190 17.8 87 .25
21 12 11 22.16 -18 46.8 0.891 1.796 11.5 / 187 17.8 75 .36
22 12 11 22.05 -18 58.2 0.900 1.800 11.2 / 185 17.8 62 .47
23 12 11 21.99 -19 09.4 0.909 1.804 10.9 / 182 17.9 51 .58
24 12 11 21.97 -19 20.3 0.919 1.809 10.7 / 178 17.9 40 .68
25 12 11 21.99 -19 30.9 0.928 1.813 10.4 / 175 17.9 32 .77
NAKANO
**** Don't distribute anyone except personal use only ****
(C) Copyright 1999 OAA/ComputingSection
write mail from CFAD0::NAKANO on 1999-03-26 03:49:02(JST).
◎P/1999 D1の軌道です
八束，ダイニック，久万のCCD全光度は，17等級です．
P/1999 D1 (Hermann)
T 1999 Feb. 17.96312 TT Nakano
q 1.6547947 (2000.0) P Q
n 0.07102587 Peri. 173.05928 -0.95493586 -0.28899970
a 5.7746413 Node 349.37694 +0.25162326 -0.66735057
e 0.7134377 Incl. 21.52931 +0.15742692 -0.68638356
P 13.88
From 74 observations 1999 Feb. 20-Mar. 16.
◎P/1999 D1の軌道と予報位置です
P/1999 D1 (Hermann)
T 1999 Feb. 17.97161 TT Nakano
q 1.6540899 (2000.0) P Q
n 0.07149664 Peri. 173.06218 -0.95491933 -0.28906103
a 5.7492643 Node 349.37144 +0.25170474 -0.66759466
e 0.7122954 Incl. 21.50816 +0.15739692 -0.68612031
P 13.79
From 63 observations 1999 Feb. 15-Mar. 13.
C/1999 D1 (Hermann)
T 1999 Feb. 18.10475 TT Nakano
q 1.6512476 (2000.0) P Q
n 0.07368522 Peri. 173.13627 -0.95515661 -0.28829330
a 5.6348512 Node 349.34696 +0.25132646 -0.66872689
e 0.7069581 Incl. 21.43232 +0.15655944 -0.68534029
P 13.38
From 49 observations 1999 Feb. 15-25.
◎C/1999 D1の軌道と予報位置です
大泉の小林隆男氏は，２月23日に自身でこの彗星を観測して，15日の彗星の
位置を予報し，１枚のフレ−ム上に彗星のイメ−ジを確認しました．そのとき
彗星は18等級だったとのことです．彗星の観測は，すでにパラボラにフィット
しなくなっており，氏の15日の観測は，この彗星が短周期彗星の１つであるこ
とも確認しました．
C/1999 D1 (Hermann)
T 1999 Feb. 18.00844 TT Nakano
q 1.6507892 (2000.0) P Q
n 0.07383682 Peri. 173.07549 -0.95483459 -0.28936565
a 5.6271356 Node 349.34436 +0.25209938 -0.66864445
e 0.7066377 Incl. 21.41610 +0.15727941 -0.68496871
P 13.35
From 35 observations 1999 Feb. 15-23.
C/1999 D1の軌道と予報位置です
千代田の小島卓雄氏から，22日朝の追跡観測が報告されました．
氏による CCD全光度は17.2等，淡い尾が位置角300ﾟの方向に見ら
れるとのことです．
C/1999 D1
T 1999 Feb. 1.74825 TT Nakano
q 1.7394464 (2000.0) P Q
Peri. 163.31279 -0.90004631 -0.43061268
Node 350.32992 +0.34021544 -0.59821041
e 1.0 Incl. 23.50856 +0.27234188 -0.67580843
From 16 observations 1999 Feb. 20-21.
戻ります。