C/2001 A1 (LINEAR)
Epoch 2000 Sept. 13.0 TT = JDT 2451800.5
T 2000 Sept. 17.60791 TT Nakano
q 2.4064253 (2000.0) P Q
z +0.0037489 Peri. 107.88418 -0.12162368 -0.94559163
+/-0.0000282 Node 339.59471 +0.18049558 +0.27788659
e 0.9909785 Incl. 59.94129 +0.97602716 -0.16922033
From 121 observations 2001 Jan. 7-Apr. 10, mean residual 0".77.
Residuals in seconds of arc
2001/ 010118 372 1.5- 1.0- 010213 704 0.1+ 0.7-
010107 704 0.4+ 0.7- 010118 372 1.3- 0.4- 010213 127 0.4+ 1.0-
010107 704 0.1- 0.6- 010118 349 (1.5+ 2.8-) 010213 127 0.6+ 1.4-
010107 704 0.2+ 0.2- 010118 349 0.7+ 1.2- 010214 127 0.9+ 0.6-
010107 704 0.5- 0.5+ 010118 349 (0.4+ 2.0-) 010214 127 0.9+ 0.4-
010107 704 0.9- 0.7- 010120 372 0.6+ 0.2+ 010215 950 0.1- 1.1+
010113 163 0.2- 1.8+ 010121 372 1.9- 0.3+ 010215 950 0.2- 1.1+
010113 163 1.0- 0.1- 010121 372 (2.5- 0.0 ) 010215 950 0.1+ 1.1+
010113 163 1.0- 1.8- 010127 046 0.1+ 0.6+ 010215 704 0.2+ 0.1+
010114 163 0.2- 0.2- 010127 046 0.2+ 0.6+ 010215 704 0.2+ 0.2-
010114 163 0.5- 0.4+ 010127 046 0.8+ 0.4+ 010215 704 0.2- 0.5+
010114 163 0.0 1.1+ 010127 046 0.4+ 1.0+ 010215 704 1.3+ 0.4+
010114 118 0.1- 0.2+ 010127 046 0.7+ 0.8+ 010215 704 1.0- 0.1-
010114 557 0.5- 0.3- 010127 372 0.6- 0.3- 010215 127 1.1+ 0.7+
010114 118 0.8+ 0.3+ 010127 151 0.2+ 0.9- 010215 127 1.4+ 0.6+
010114 557 0.5- 0.1- 010127 151 0.3+ 0.0 010217 170 (3.7- 1.9-)
010114 118 0.6+ 0.4+ 010127 151 0.0 0.3- 010217 170 (2.9- 1.1-)
010114 557 0.4- 0.2- 010127 151 0.2- 0.7- 010219 360 0.0 0.7+
010114 557 0.5- 0.1- 010128 557 0.7+ 0.1- 010219 360 0.2- 0.4+
010114 046 0.8+ 0.6+ 010128 557 0.5+ 0.5+ 010220 750 0.6+ 0.6-
010114 046 1.5+ 0.1- 010128 557 0.3+ 0.7+ 010220 750 0.6- 0.4+
010114 046 1.0+ 0.6+ 010129 372 1.6- 1.0+ 010220 348 0.2+ 0.9-
010114 046 1.2+ 0.3- 010129 349 0.3+ 0.2- 010220 348 1.1- 0.3-
010114 046 0.8+ 0.1+ 010129 349 0.5+ 0.9+ 010220 903 1.8- 1.6-
010114 046 0.4+ 0.4- 010129 349 0.5- 1.0+ 010220 903 0.7- 1.6-
010114 611 0.4- 0.4- 010129 118 0.1+ 0.6+ 010220 903 1.2- 1.8-
010114 611 1.5- 0.7- 010129 118 0.4+ 1.1+ 010222 170 (3.2- 2.4-)
010114 118 0.2+ 0.7+ 010202 360 0.0 0.6+ 010313 360 0.1+ 1.0+
010114 118 0.3- 0.3+ 010202 360 0.0 0.7+ 010313 360 0.2- 0.9+
010114 118 0.9+ 0.0 010202 360 0.3+ 0.1+ 010313 170 1.2- 1.3-
010115 704 0.0 0.5+ 010203 170 (3.4- 0.9-) 010314 704 1.7+ 1.2-
010115 704 (2.0+ 1.1-) 010203 170 (2.7- 0.8-) 010314 704 0.4+ 1.3+
010115 704 0.3+ 0.1+ 010204 704 0.7+ 0.4+ 010314 704 0.5+ 1.6-
010115 704 0.3- 0.1+ 010204 704 0.7+ 0.2- 010314 704 0.8+ 0.5-
010115 704 0.2+ 0.7- 010204 704 1.7- 1.4+ 010316 704 1.0- 1.4+
010115 903 1.2+ 0.7- 010204 704 0.4- 0.9+ 010316 704 0.0 1.8+
010115 903 (2.0+ 0.6-) 010210 349 0.8- 0.5- 010316 704 0.3+ 1.1-
010115 903 0.5- 0.3- 010210 349 1.2- 0.1- 010316 704 0.2- 0.0
010115 349 1.0+ 0.4- 010211 349 0.8- 0.9- 010316 704 0.8- 0.4+
010115 349 0.2+ 1.2- 010211 349 0.8- 1.0- 010318 402 0.9+ 0.5+
010115 349 0.5+ 0.4- 010211 349 0.4+ 0.5- 010318 402 1.2+ 0.3+
010115 349 1.0+ 0.2- 010213 704 0.5- 0.4- 010318 402 0.3+ 1.5+
010116 372 0.3- 0.2+ 010213 704 0.4+ 0.0 010410 170 0.9- 1.4-
010117 348 (4.4- 0.7-) 010213 704 0.3+ 0.8-
010117 348 1.5- 0.4+ 010213 704 0.3- 0.1-
NAKANO
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(C) Copyright 2001 OAA/ComputingSection
write mail from CFAD0::NAKANO on 2001-12-24 03:27:27(JST).
C/2001 A1 (LINEAR)
Epoch 2000 Sept 13.0 TT = JDT 2451800.5
T 2000 Sept 17.60133 TT Nakano
q 2.4063046 (2000.0) P Q
z +0.0037729 Peri. 107.87968 -0.12154728 -0.94560801
+/-0.0000332 Node 339.59567 +0.18050764 +0.27787468
e 0.9909212 Incl. 59.93901 +0.97603445 -0.16914832
From 116 observations 2001 Jan. 7-Mar. 18, mean residual 0".72.
NAKANO
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write mail from CFAD0::NAKANO on 2001-04-07 01:11:26(JST).
３月に入って，久万の中村彰正氏，ダイニックの杉江淳氏によって観測され
ました．それぞれの CCD全光度は，３月13日に16.7等，18日に16.1等でした．
C/2001 A1 (LINEAR)
Epoch 2000 Sept 13.0 TT = JDT 2451800.5
T 2000 Sept 17.60133 TT Nakano
q 2.4063046 (2000.0) P Q
z +0.0037729 Peri. 107.87968 -0.12154728 -0.94560801
+/-0.0000332 Node 339.59567 +0.18050764 +0.27787468
e 0.9909212 Incl. 59.93901 +0.97603445 -0.16914832
From 116 observations 2001 Jan. 7-Mar. 18, mean residual 0".72.
Date/ TT R.A.(2000) Decl. Delta r Daily motion Mag. Moon Age
h h m ｡ , , / PA ｡ m1 ｡
2001 Mar. 25 12 09 48.78 +30 04.5 2.391 3.149 20.3 / 217 16.4 129 .00
26 12 09 47.83 +29 48.3 2.407 3.155 20.0 / 216 16.4 117 .02
27 12 09 46.92 +29 32.2 2.424 3.162 19.7 / 215 16.4 104 .06
28 12 09 46.04 +29 16.1 2.440 3.169 19.5 / 214 16.4 91 .12
29 12 09 45.21 +29 00.0 2.457 3.175 19.2 / 213 16.5 78 .20
30 12 09 44.41 +28 44.0 2.474 3.182 18.9 / 212 16.5 65 .29
31 12 09 43.64 +28 28.0 2.492 3.189 18.6 / 211 16.5 52 .39
Apr. 1 12 09 42.91 +28 12.1 2.509 3.195 18.4 / 210 16.5 38 .51
2 12 09 42.21 +27 56.2 2.527 3.202 18.1 / 209 16.6 25 .62
3 12 09 41.55 +27 40.3 2.545 3.209 17.8 / 208 16.6 13 .73
4 12 09 40.92 +27 24.6 2.563 3.216 17.6 / 207 16.6 11 .82
5 12 09 40.33 +27 08.9 2.582 3.222 17.4 / 206 16.6 23 .90
6 12 09 39.77 +26 53.2 2.600 3.229 17.1 / 205 16.7 37 .96
7 12 09 39.24 +26 37.6 2.619 3.236 16.9 / 203 16.7 51 .99
8 12 09 38.74 +26 22.1 2.638 3.243 16.7 / 202 16.7 65 1.00
9 12 09 38.27 +26 06.7 2.657 3.250 16.4 / 201 16.7 79 .97
10 12 09 37.83 +25 51.4 2.676 3.256 16.2 / 200 16.8 92 .93
11 12 09 37.42 +25 36.1 2.696 3.263 16.0 / 199 16.8 105 .87
12 12 09 37.05 +25 20.9 2.715 3.270 15.8 / 197 16.8 118 .79
13 12 09 36.70 +25 05.8 2.735 3.277 15.6 / 196 16.8 131 .70
14 12 09 36.37 +24 50.8 2.755 3.284 15.5 / 195 16.9 143 .61
15 12 09 36.08 +24 35.8 2.775 3.291 15.3 / 194 16.9 154 .51
16 12 09 35.81 +24 21.0 2.795 3.298 15.1 / 193 16.9 166 .42
17 12 09 35.57 +24 06.2 2.816 3.305 15.0 / 191 16.9 174 .33
18 12 09 35.36 +23 51.5 2.836 3.312 14.8 / 190 17.0 168 .24
19 12 09 35.17 +23 36.9 2.857 3.319 14.7 / 189 17.0 157 .17
20 12 09 35.01 +23 22.4 2.878 3.326 14.5 / 188 17.0 145 .10
21 12 09 34.87 +23 08.0 2.899 3.332 14.4 / 186 17.0 133 .05
22 12 09 34.76 +22 53.7 2.920 3.339 14.3 / 185 17.1 120 .02
23 12 09 34.67 +22 39.5 2.941 3.346 14.2 / 184 17.1 107 .00
24 12 09 34.60 +22 25.3 2.962 3.354 14.1 / 183 17.1 94 .01
25 12 09 34.55 +22 11.3 2.983 3.361 14.0 / 181 17.1 81 .04
26 12 09 34.53 +21 57.3 3.005 3.368 13.9 / 180 17.2 68 .09
27 12 09 34.53 +21 43.4 3.026 3.375 13.8 / 179 17.2 54 .17
28 12 09 34.55 +21 29.6 3.048 3.382 13.7 / 178 17.2 40 .26
29 12 09 34.59 +21 15.9 3.069 3.389 13.7 / 176 17.2 26 .36
30 12 09 34.65 +21 02.3 3.091 3.396 13.6 / 175 17.3 12 .48
May 1 12 09 34.73 +20 48.7 3.113 3.403 13.5 / 174 17.3 3 .59
NAKANO
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write mail from CFAD0::NAKANO on 2001-03-26 03:28:08(JST).
C/2001 A1 (LINEAR)
Epoch 2000 Sept. 13.0 TT = JDT 2451800.5
T 2000 Sept. 17.52717 TT Nakano
q 2.4048022 (2000.0) P Q
z +0.0039637 Peri. 107.82408 -0.12060387 -0.94580814
+/-0.0000892 Node 339.60731 +0.18064775 +0.27773449
e 0.9904680 Incl. 59.91143 +0.97612555 -0.16825729
From 103 observations 2001 Jan. 7-Feb. 20, mean residual 0".70.
Residuals in seconds of arc
2001/ 010115 349 0.9+ 0.3- 010203 170 (2.8- 0.9-)
010107 704 0.7+ 0.4- 010115 349 0.0 1.1- 010204 704 0.7+ 0.2+
010107 704 0.2+ 0.3- 010115 349 0.3+ 0.3- 010204 704 0.8+ 0.4-
010107 704 0.5+ 0.1+ 010115 349 0.8+ 0.1- 010204 704 1.7- 1.2+
010107 704 0.2- 0.7+ 010116 372 0.5- 0.3+ 010204 704 0.4- 0.7+
010107 704 0.6- 0.4- 010117 348 (4.7- 0.6-) 010210 349 0.7- 0.6-
010113 163 (0.3- 2.0+) 010117 348 1.8- 0.5+ 010210 349 1.1- 0.2-
010113 163 1.1- 0.1+ 010118 372 1.7- 1.0- 010211 349 0.7- 1.0-
010113 163 1.1- 1.6- 010118 372 1.6- 0.3- 010211 349 0.8- 1.1-
010114 163 0.3- 0.0 010118 349 (1.3+ 2.7-) 010211 349 0.5+ 0.6-
010114 163 0.6- 0.6+ 010118 349 0.5+ 1.2- 010213 704 0.4- 0.4-
010114 163 0.2- 1.2+ 010118 349 0.1+ 1.9- 010213 704 0.5+ 0.0
010114 118 0.3- 0.4+ 010120 372 0.4+ 0.2+ 010213 704 0.3+ 0.9-
010114 557 0.6- 0.2- 010121 372 (2.2- 0.2+) 010213 704 0.3- 0.2-
010114 118 0.6+ 0.5+ 010121 372 (2.8- 0.1-) 010213 704 0.2+ 0.8-
010114 557 0.6- 0.1+ 010127 046 0.0 0.5+ 010213 127 0.5+ 1.1-
010114 118 0.5+ 0.5+ 010127 046 0.0 0.5+ 010213 127 0.6+ 1.4-
010114 557 0.6- 0.1- 010127 046 0.6+ 0.3+ 010214 127 1.0+ 0.6-
010114 557 0.6- 0.1+ 010127 046 0.2+ 0.9+ 010214 127 0.9+ 0.5-
010114 046 0.7+ 0.7+ 010127 046 0.5+ 0.7+ 010215 950 0.0 1.0+
010114 046 1.3+ 0.1+ 010127 372 0.7- 0.4- 010215 950 0.2- 1.1+
010114 046 0.9+ 0.8+ 010127 151 0.1+ 1.0- 010215 950 0.1+ 1.1+
010114 046 1.0+ 0.1- 010127 151 0.1+ 0.1- 010215 704 0.2+ 0.1+
010114 046 0.6+ 0.2+ 010127 151 0.2- 0.4- 010215 704 0.2+ 0.2-
010114 046 0.3+ 0.2- 010127 151 0.4- 0.9- 010215 704 0.2- 0.5+
010114 611 0.5- 0.3- 010128 557 0.5+ 0.2- 010215 704 1.3+ 0.4+
010114 611 1.6- 0.5- 010128 557 0.4+ 0.4+ 010215 704 1.0- 0.1-
010114 118 0.1+ 0.8+ 010128 557 0.1+ 0.6+ 010215 127 1.1+ 0.7+
010114 118 0.4- 0.4+ 010129 372 1.7- 0.8+ 010215 127 1.4+ 0.6+
010114 118 0.7+ 0.2+ 010129 349 0.2+ 0.3- 010217 170 (3.8- 1.9-)
010115 704 0.2- 0.7+ 010129 349 0.4+ 0.8+ 010217 170 (3.0- 1.0-)
010115 704 1.8+ 0.9- 010129 349 0.6- 0.9+ 010219 360 0.2- 0.7+
010115 704 0.1+ 0.2+ 010129 118 0.0 0.5+ 010219 360 0.4- 0.5+
010115 704 0.5- 0.2+ 010129 118 0.3+ 1.0+ 010220 750 0.3+ 0.5-
010115 704 0.0 0.6- 010202 360 0.0 0.4+ 010220 750 0.9- 0.5+
010115 903 1.0+ 0.5- 010202 360 0.0 0.5+ 010220 348 0.1- 0.8-
010115 903 1.8+ 0.4- 010202 360 0.3+ 0.0 010220 348 1.3- 0.3-
010115 903 0.7- 0.2- 010203 170 (3.4- 1.0-) 010222 170 (3.7- 2.2-)
NAKANO
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write mail from CFAD0::NAKANO on 2001-03-04 02:02:19(JST).
C/2001 A1 (LINEAR)
Epoch 2000 Sept. 13.0 TT = JDT 2451800.5
T 2000 Sept. 17.57137 TT Nakano
q 2.4056985 (2000.0) P Q
z +0.0039124 Peri. 107.85833 -0.12118189 -0.94568758
+/-0.0001580 Node 339.60039 +0.18057844 +0.27781141
e 0.9905880 Incl. 59.92730 +0.97606679 -0.16880705
From 72 observations 2001 Jan. 7-Feb. 4, mean residual 0".68.
NAKANO
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write mail from CFAD0::NAKANO on 2001-02-06 01:56:22(JST).
C/2001 A1 (LINEAR)
T 2000 Oct. 11.21053 TT Nakano
q 2.6577475 (2000.0) P Q
Peri. 119.90414 -0.31714967 -0.88585858
Node 337.82435 +0.18860810 +0.29101608
e 1.0 Incl. 63.78724 +0.92943159 -0.36133670
From 47 observations 2001 Jan. 7-18.
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◎C/2001 A1の軌道と予報位置です
上尾の門田健一氏は，15日夜，この彗星の観測に成功しました．氏による
CCD 全光度は，16.5等，コマ視直径20"ほどとのことです．
C/2001 A1 (LINEAR)
T 2000 Oct. 5.88535 TT Nakano
q 2.6171993 (2000.0) P Q
Peri. 117.64891 -0.28163662 -0.90001625
Node 338.11526 +0.18451466 +0.28940643
e 1.0 Incl. 63.17962 +0.94161306 -0.32590591
From 32 observations 2001 Jan. 7-15.
Date/ TT R.A.(2000) Decl. Delta r Daily motion Mag. Moon Age
h h m ｡ , , / PA ｡ m1 ｡
2001 Jan. 15 18 11 51.12 +41 47.8 2.139 2.830 17.0 / 263 16.7 47 .58
16 18 11 49.62 +41 45.6 2.133 2.834 17.5 / 263 16.7 56 .48
17 18 11 48.07 +41 43.4 2.126 2.838 17.9 / 263 16.7 67 .37
18 18 11 46.48 +41 41.1 2.120 2.842 18.4 / 262 16.7 77 .28
19 18 11 44.85 +41 38.6 2.115 2.846 18.9 / 262 16.7 88 .20
20 18 11 43.18 +41 36.0 2.109 2.850 19.4 / 262 16.7 99 .12
21 18 11 41.47 +41 33.2 2.104 2.854 19.8 / 262 16.7 109 .07
22 18 11 39.73 +41 30.2 2.099 2.858 20.3 / 261 16.7 119 .03
23 18 11 37.95 +41 27.0 2.094 2.862 20.7 / 261 16.7 129 .01
24 18 11 36.13 +41 23.7 2.089 2.867 21.1 / 260 16.7 137 .00
25 18 11 34.28 +41 20.1 2.085 2.871 21.6 / 260 16.7 144 .01
26 18 11 32.40 +41 16.3 2.081 2.875 22.0 / 260 16.7 149 .04
27 18 11 30.49 +41 12.3 2.077 2.879 22.4 / 259 16.7 149 .09
28 18 11 28.54 +41 08.0 2.074 2.884 22.8 / 259 16.7 145 .15
29 18 11 26.57 +41 03.4 2.070 2.888 23.1 / 258 16.7 138 .23
30 18 11 24.57 +40 58.6 2.067 2.892 23.5 / 258 16.7 129 .32
31 18 11 22.54 +40 53.6 2.065 2.897 23.9 / 257 16.7 119 .41
Feb. 1 18 11 20.49 +40 48.2 2.062 2.901 24.2 / 257 16.7 108 .52
2 18 11 18.42 +40 42.5 2.060 2.906 24.5 / 256 16.7 96 .62
3 18 11 16.33 +40 36.6 2.059 2.910 24.9 / 256 16.7 83 .73
4 18 11 14.22 +40 30.3 2.057 2.915 25.1 / 255 16.7 71 .82
5 18 11 12.09 +40 23.7 2.056 2.919 25.4 / 254 16.7 58 .90
6 18 11 09.95 +40 16.8 2.055 2.924 25.7 / 254 16.7 45 .96
7 18 11 07.80 +40 09.6 2.055 2.929 25.9 / 253 16.7 35 .99
8 18 11 05.63 +40 02.0 2.055 2.933 26.2 / 253 16.7 28 1.00
9 18 11 03.46 +39 54.1 2.055 2.938 26.4 / 252 16.7 29 .97
10 18 11 01.28 +39 45.9 2.056 2.943 26.6 / 251 16.8 36 .91
11 18 10 59.10 +39 37.3 2.057 2.947 26.8 / 251 16.8 46 .83
12 18 10 56.92 +39 28.4 2.058 2.952 27.0 / 250 16.8 58 .74
13 18 10 54.73 +39 19.2 2.059 2.957 27.1 / 249 16.8 70 .64
14 18 10 52.55 +39 09.6 2.061 2.962 27.2 / 249 16.8 82 .54
15 18 10 50.37 +38 59.7 2.064 2.967 27.4 / 248 16.8 94 .44
NAKANO
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write mail from CFAD0::NAKANO on 2001-01-16 04:23:07(JST).
戻ります。