P/2004 K2 (McNaught)
Epoch 2004 June 4.0 TT = JDT 2453160.5
T 2004 June 16.81514 TT Nakano
q 1.5544574 (2000.0) P Q
n 0.17910995 Peri. 180.77345 +0.87368341 +0.48137665
a 3.1169003 Node 150.12404 -0.44558824 +0.84986949
e 0.5012810 Incl. 8.12291 -0.19526503 +0.21447230
P 5.50 (+/- 0.02 day)
From 142 observations 2004 May 20-Dec. 11, mean residual 0".71.
Residuals in seconds of arc
2004/ 040811 704 0.5- 0.3+ 040924 704 0.4+ 0.9+
040520 E12 0.5- 0.1+ 040811 704 0.1- 0.4- 040924 704 0.5+ 0.9+
040520 E12 1.3- 0.9+ 040811 704 0.1+ 0.1- 040924 704 0.1+ 0.4+
040520 E12 1.9- 1.5+ 040811 704 0.8- 0.5- 041007 704 0.6+ 0.4+
040520 E12 0.1- 0.8+ 040811 D74 1.5+ 0.4- 041007 704 0.5+ 0.0
040523 G90 0.5- 1.0+ 040811 D74 (3.5+ 1.7-) 041007 704 0.3+ 1.2+
040523 G90 0.3- 0.1+ 040813 704 0.2- 0.4- 041007 704 0.9+ 0.3-
040523 G90 0.4- 0.7+ 040813 704 0.3+ 0.4- 041007 704 0.0 1.2+
040523 G90 1.6- 0.5+ 040813 704 0.7- 0.1- 041011 213 0.5- 0.0
040523 G90 0.5+ 1.2+ 040813 704 0.0 0.7+ 041011 213 0.5- 0.3+
040523 G90 0.3- 0.9+ 040813 704 0.2- 0.4- 041011 213 0.3- 0.3+
040523 703 0.2- 0.1+ 040824 246 1.0- 0.1+ 041012 170 0.1+ 0.4+
040523 703 (1.0- 2.3+) 040824 246 0.5+ 0.2- 041012 170 0.1+ 0.3+
040525 673 0.0 1.0+ 040824 246 1.5+ 0.1+ 041012 170 0.1+ 0.2+
040525 673 1.3+ 0.6+ 040824 246 1.7+ 0.7- 041013 A33 0.4+ 0.2-
040525 673 0.2+ 0.4+ 040827 703 (3.9- 2.0-) 041013 A33 0.0 0.3-
040525 673 0.7+ 0.5+ 040827 703 0.8- 0.7- 041016 360 0.5+ 0.2+
040525 673 1.5+ 1.0+ 040827 703 (2.1- 0.3-) 041016 360 0.1+ 0.2+
040525 474 0.8- 0.8+ 040827 703 0.8- 1.5+ 041018 118 1.3- 0.1-
040525 474 1.8+ 0.5+ 040828 699 0.5+ 0.4- 041018 118 0.1+ 0.6-
040525 474 0.2- 0.3- 040828 699 0.0 1.0- 041023 213 0.1- 0.5-
040525 474 0.5- 0.0 040828 699 0.3- 0.8- 041023 213 0.0 0.5-
040528 673 1.8+ 0.3+ 040828 699 0.0 0.1+ 041023 213 0.2+ 0.3-
040528 673 1.2+ 0.3+ 040907 246 0.3- 0.1+ 041026 850 0.2- 0.3+
040528 673 1.6+ 0.3+ 040907 246 0.6+ 0.1- 041026 850 0.2- 0.4+
040530 413 0.2+ 0.2- 040907 246 0.5+ 0.2- 041101 413 0.4+ 0.0
040531 413 0.4+ 0.0 040907 246 1.1+ 0.2- 041102 683 0.1+ 1.8-
040607 413 0.4+ 0.6- 040907 246 0.7+ 0.3+ 041102 683 (2.6- 1.9+)
040608 204 0.6- 0.4- 040909 246 0.5+ 0.1+ 041102 683 0.5- 0.8+
040613 703 1.1- 1.0+ 040909 246 0.7+ 0.1+ 041104 104 0.2- 0.1+
040613 703 0.4- 0.2- 040909 246 0.3+ 0.4+ 041104 104 0.2+ 0.2+
040613 703 1.6- 0.8- 040909 246 0.3+ 0.0 041104 104 0.2+ 0.1+
040613 703 (2.2- 0.2-) 040909 A32 0.5- 1.4- 041106 360 0.0 0.2+
040622 703 1.5- 0.8- 040909 A32 0.8- 0.9- 041106 360 0.1- 0.2+
040622 703 1.3- 0.1+ 040910 046 0.8- 0.8+ 041112 704 0.0 0.4+
040622 703 1.4- 1.6- 040910 046 1.2- 0.1- 041112 704 0.6+ 0.3+
040622 703 1.8- 0.6- 040910 046 1.4- 0.4- 041112 704 0.9- 0.5-
040627 E12 0.5+ 1.2- 040910 046 1.5- 0.1+ 041119 213 0.1+ 0.3+
040627 E12 0.2- 1.9- 040919 215 0.2+ 0.4- 041119 213 0.5- 0.8+
040627 E12 1.1+ 0.9- 040919 118 0.6- 0.5- 041129 118 0.5- 0.6-
040627 E12 0.8+ 1.4- 040919 118 1.0+ 0.7- 041129 118 0.4- 0.0
040630 360 0.0 0.1+ 040920 785 1.1- 0.4+ 041208 360 0.7- 0.3+
040630 360 0.2+ 0.1- 040920 785 0.7- 0.6+ 041208 360 0.4- 0.1-
040630 360 0.2+ 0.4+ 040920 785 1.0- 1.2- 041208 360 0.7- 0.2+
040712 413 0.7+ 0.0 040922 704 0.0 1.3+ 041211 360 0.0 0.1-
040717 215 0.5+ 0.8- 040922 704 0.4- 0.3+ 041211 360 0.4+ 0.1+
040720 413 0.8+ 0.1+ 040922 704 0.6- 0.2- 041211 360 0.7- 0.2-
040731 170 0.5+ 1.0- 040922 704 0.5+ 1.4+ 041211 561 0.1+ 0.1+
040731 170 0.6+ 0.6- 040922 704 0.5+ 0.1- 041211 561 (2.2- 0.3+)
040811 704 0.3+ 0.3- 040924 704 0.3+ 0.2+ 041211 561 0.4- 0.6-
NAKANO
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write mail from CFAD0::NAKANO on 2005-01-04 01:58:32(JST).
P/2004 K2 (McNaught)
Epoch 2004 June 4.0 TT = JDT 2453160.5
T 2004 June 16.81609 TT Nakano
q 1.5544683 (2000.0) P Q
n 0.17909184 Peri. 180.77395 +0.87369122 +0.48136247
a 3.1171104 Node 150.12446 -0.44557485 +0.84987715
e 0.5013111 Incl. 8.12301 -0.19526061 +0.21447379
P 5.50 (+/- 0.03 day)
From 119 observations 2004 May 20-Oct. 26, mean residual 0".72.
NAKANO
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write mail from CFAD0::NAKANO on 2004-11-03 02:43:59(JST).
P/2004 K2 (McNaught)
Epoch 2004 June 4.0 TT = JDT 2453160.5
T 2004 June 16.82561 TT Nakano
q 1.5545600 (2000.0) P Q
n 0.17895988 Peri. 180.77968 +0.87376375 +0.48123099
a 3.1186425 Node 150.12733 -0.44544960 +0.84994666
e 0.5015267 Incl. 8.12358 -0.19522184 +0.21449337
P 5.51 (+/- 0.11 day)
From 100 observations 2004 May 20-Sept. 24, mean residual 0".77.
NAKANO
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write mail from CFAD0::NAKANO on 2004-10-04 01:08:29(JST).
P/2004 K2 (McNaught)
Epoch 2004 June 4.0 TT = JDT 2453160.5
T 2004 June 16.83993 TT Nakano
q 1.5546996 (2000.0) P Q
n 0.17875536 Peri. 180.78869 +0.87387353 +0.48103210
a 3.1210208 Node 150.13136 -0.44525962 +0.85005068
e 0.5018618 Incl. 8.12419 -0.19516385 +0.21452732
P 5.51 (+/- 0.29 day)
From 67 observations 2004 May 20-Aug. 28, mean residual 0".77.
NAKANO
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write mail from CFAD0::NAKANO on 2004-09-05 02:52:38(JST).
◎P/2004 K2の軌道と予報位置です
８月11日と13日の観測がLINEARサ−ベイ，８月11日の観測が那賀川の堀寿夫氏
と前野拓氏から報告されました．LINEARサ−ベイの CCD全光度は19等級，堀・前
野氏のそれは18.2等でした．彗星は，あとしばらく観測できます．
なお，この彗星の公転周期の誤差は凾o＝±0.47日で，軌道は，18公転してＴ
＝1896年１月３日に戻る．しかし，惑星へ大きく接近する軌道が残っているもの
の山本速報2428にあるD/1895 Q1 (Swift)との同定は難しくなった．
P/2004 K2 (McNaught)
Epoch 2004 June 4.0 TT = JDT 2453160.5
T 2004 June 16.85426 TT Nakano
q 1.5548547 (2000.0) P Q
n 0.17851526 Peri. 180.79770 +0.87398775 +0.48082524
a 3.1238187 Node 150.13591 -0.44506222 +0.85015856
e 0.5022583 Incl. 8.12477 -0.19510264 +0.21456352
P 5.52 (+/- 0.47 day)
From 56 observations 2004 May 20-Aug. 13, mean residual 0".74.
Date/ 0h TT R.A.(2000) Decl. Delta r Daily motion Mag. Moon Age
h m ｡ , , / PA ｡ m1 ｡
2004 Aug. 3 02 29.70 +09 09.9 1.214 1.621 28.2 / 87 18.0 56 .93
8 02 39.21 +09 16.7 1.191 1.635 26.2 / 89 18.0 9 .49
13 02 48.06 +09 18.1 1.169 1.650 24.1 / 92 18.0 65 .09
18 02 56.19 +09 14.1 1.146 1.667 21.8 / 95 18.0 124 .04
23 03 03.52 +09 04.8 1.125 1.684 19.5 / 98 18.0 167 .45
28 03 10.02 +08 50.5 1.104 1.703 17.0 / 103 18.0 100 .94
Sept. 2 03 15.61 +08 31.3 1.084 1.722 14.6 / 109 18.0 33 .90
7 03 20.25 +08 07.7 1.065 1.743 12.1 / 117 18.0 32 .47
12 03 23.88 +07 39.7 1.047 1.764 9.9 / 130 18.1 89 .07
17 03 26.45 +07 08.1 1.031 1.786 8.3 / 147 18.1 151 .07
22 03 27.95 +06 33.3 1.017 1.808 7.5 / 170 18.1 135 .54
27 03 28.38 +05 56.1 1.005 1.832 8.0 / 193 18.1 67 .97
Oct. 2 03 27.77 +05 17.4 0.997 1.856 9.2 / 211 18.2 15 .88
7 03 26.16 +04 38.0 0.992 1.880 10.9 / 224 18.2 62 .45
12 03 23.62 +03 59.0 0.991 1.905 12.5 / 233 18.3 123 .05
17 03 20.30 +03 21.6 0.995 1.931 13.7 / 240 18.3 158 .11
22 03 16.33 +02 47.2 1.003 1.956 14.5 / 245 18.4 93 .62
27 03 11.93 +02 16.7 1.018 1.983 14.9 / 250 18.5 29 .99
Nov. 1 03 07.28 +01 51.1 1.037 2.009 14.7 / 254 18.6 42 .86
6 03 02.57 +01 31.2 1.063 2.036 14.0 / 259 18.7 100 .43
11 02 58.01 +01 17.5 1.094 2.063 12.8 / 264 18.8 159 .03
16 02 53.77 +01 10.3 1.132 2.091 11.3 / 269 19.0 118 .16
21 02 50.00 +01 09.6 1.175 2.118 9.6 / 277 19.1 50 .69
26 02 46.81 +01 15.1 1.224 2.146 7.9 / 287 19.3 22 .99
Dec. 1 02 44.28 +01 26.3 1.278 2.174 6.4 / 301 19.4 77 .85
NAKANO
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write mail from CFAD0::NAKANO on 2004-08-19 04:53:31(JST).
P/2004 K2 (McNaught)
Epoch 2004 June 4.0 TT = JDT 2453160.5
T 2004 June 16.83518 TT Nakano
q 1.5546308 (2000.0) P Q
n 0.17887014 Peri. 180.78591 +0.87383106 +0.48110857
a 3.1196855 Node 150.12911 -0.44533241 +0.85001158
e 0.5016707 Incl. 8.12416 -0.19518792 +0.21451074
P 5.51 (+/- 0.90 day)
From 46 observations 2004 May 20-July 31, mean residual 0".79.
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write mail from CFAD0::NAKANO on 2004-08-04 23:10:27(JST).
---------------------------------------------------------------------------
Syuichi Nakano, P. O. Box No. 32, Sumoto, Hyogo-Ken, 656-8691 Japan
An Associate of the Minor Planet Center snakano@cfa.harvard.edu
http://www.oaa.gr.jp/ 08-04-2004, 23:27:51 +09:00 (JST)
OS/2 and Digital UNIX in Operating Systems
**** Please reply ONLY to nakano@oaa.gr.jp ****
P/2004 K2 (McNaught)
T 2004 June 16.65389 TT Nakano
q 1.5508392 (2000.0) P Q
n 0.18536852 Peri. 180.67253 +0.87189946 +0.48457492
a 3.0463424 Node 150.01447 -0.44861541 +0.84820089
e 0.4909176 Incl. 8.11604 -0.19630473 +0.21387470
P 5.32 (+/- 3.32 day)
From 42 observations 2004 May 20-June 30.
NAKANO
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write mail from CFAD0::NAKANO on 2004-07-03 22:20:30(JST).
◎P/2004 K2の軌道と予報位置です
久万の中村彰正氏によって６月30日に観測されました．氏の CCD全光度は，
17.8等でした．
P/2004 K2 (McNaught)
T 2004 June 16.63647 TT Nakano
q 1.5505848 (2000.0) P Q
n 0.18580097 Peri. 180.66096 +0.87174104 +0.48485900
a 3.0416137 Node 150.00739 -0.44888562 +0.84805000
e 0.4902098 Incl. 8.11497 -0.19639055 +0.21382922
P 5.30 (+/- 3.93 day)
From 34 observations 2004 May 20-June 30.
Date/ TT R.A.(2000) Decl. Delta r Daily motion Mag. Moon Age
h h m ｡ , , / PA ｡ m1 ｡
2004 July 1 18 01 16.30 +06 19.7 1.366 1.557 38.4 / 77 17.1 110 .99
2 18 01 18.82 +06 28.0 1.361 1.558 38.2 / 78 17.1 95 1.00
3 18 01 21.32 +06 36.2 1.356 1.559 38.0 / 78 17.1 81 .97
4 18 01 23.81 +06 44.2 1.351 1.560 37.7 / 78 17.1 67 .92
5 18 01 26.29 +06 52.0 1.345 1.562 37.5 / 78 17.1 53 .85
6 18 01 28.75 +06 59.7 1.340 1.563 37.3 / 78 17.1 39 .76
7 18 01 31.21 +07 07.1 1.335 1.564 37.0 / 79 17.1 27 .66
8 18 01 33.65 +07 14.4 1.330 1.565 36.8 / 79 17.1 14 .56
9 18 01 36.07 +07 21.4 1.325 1.567 36.6 / 79 17.1 2 .46
10 18 01 38.49 +07 28.3 1.320 1.568 36.3 / 79 17.1 10 .36
11 18 01 40.89 +07 35.0 1.315 1.569 36.0 / 80 17.1 21 .27
12 18 01 43.27 +07 41.5 1.310 1.571 35.8 / 80 17.0 33 .19
13 18 01 45.64 +07 47.7 1.305 1.572 35.5 / 80 17.0 44 .12
14 18 01 48.00 +07 53.8 1.300 1.574 35.2 / 80 17.0 55 .07
15 18 01 50.34 +07 59.7 1.295 1.576 35.0 / 81 17.0 66 .03
16 18 01 52.66 +08 05.4 1.290 1.578 34.7 / 81 17.0 78 .01
17 18 01 54.96 +08 10.8 1.285 1.579 34.4 / 81 17.0 89 .00
18 18 01 57.25 +08 16.1 1.281 1.581 34.1 / 81 17.0 101 .02
19 18 01 59.52 +08 21.1 1.276 1.583 33.8 / 82 17.0 112 .05
20 18 02 01.78 +08 26.0 1.271 1.585 33.5 / 82 17.0 124 .10
21 18 02 04.01 +08 30.6 1.266 1.587 33.2 / 82 17.0 136 .17
22 18 02 06.23 +08 35.0 1.261 1.589 32.9 / 83 17.0 148 .25
23 18 02 08.43 +08 39.2 1.256 1.591 32.5 / 83 17.0 161 .35
24 18 02 10.60 +08 43.2 1.252 1.593 32.2 / 83 17.0 173 .46
25 18 02 12.76 +08 47.0 1.247 1.596 31.9 / 84 17.0 172 .57
26 18 02 14.90 +08 50.5 1.242 1.598 31.6 / 84 17.0 159 .68
27 18 02 17.02 +08 53.9 1.237 1.600 31.2 / 84 17.0 145 .78
28 18 02 19.12 +08 57.0 1.233 1.603 30.9 / 85 17.0 131 .87
29 18 02 21.19 +08 59.9 1.228 1.605 30.5 / 85 17.0 117 .94
30 18 02 23.24 +09 02.7 1.223 1.607 30.2 / 85 17.0 102 .98
31 18 02 25.28 +09 05.1 1.219 1.610 29.8 / 86 17.0 88 1.00
Aug. 1 18 02 27.28 +09 07.4 1.214 1.613 29.5 / 86 17.0 74 .98
NAKANO
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戻ります。