C/2004 P1 (NEAT)
Epoch 2003 July 20.0 TT = JDT 2452840.5
T 2003 Aug. 8.94762 TT Nakano
q 6.0141366 (2000.0) P Q
z +0.0002125 Peri. 16.59867 +0.47762049 +0.74392237
+/-0.0000037 Node 284.19391 -0.85088645 +0.25919528
e 0.9987220 Incl. 28.82352 -0.21879422 +0.61595237
From 141 observations 2003 May 11-2005 Aug. 30, mean residual 0".69.
(1/a)org.= +0.000022, (1/a)fut.= -0.000098 (+/-0.000004), Q= 8.
Residuals in seconds of arc
2003/ 040820 850 0.5+ 0.0 040913 246 0.1- 0.2+
030511 608 0.7- 2.0- 040820 850 1.7- 0.6- 040914 D74 (1.2+ 2.5+)
030708 608 1.1+ 0.8+ 040821 170 0.1- 0.5- 040914 D74 0.1- 0.1-
030721 608 0.5+ 0.2+ 040821 170 0.4+ 0.5- 040914 D74 1.1+ 0.4-
2004/ 040821 170 0.8+ 0.4- 040916 118 0.3+ 0.3+
040805 644 0.5+ 0.2- 040821 A02 0.5+ 1.8+ 040916 118 1.0- 0.2+
040805 644 0.2- 1.4+ 040822 A02 (0.7+ 2.2+) 040917 204 0.4+ 0.4+
040805 644 0.0 0.5+ 040822 A02 0.5- 1.3+ 040917 204 0.5- 0.3-
040807 644 0.1- 0.5+ 040822 104 1.4- 1.2+ 040918 J56 0.1- 0.8+
040807 644 0.4+ 0.5- 040822 104 (3.1- 0.4+) 040922 213 0.7+ 0.2-
040807 644 0.5+ 0.5+ 040822 104 0.3- 0.1- 040922 213 0.3+ 0.4+
040807 J87 0.8- 0.7- 040901 673 0.3+ 0.1+ 040922 213 0.1- 0.4-
040807 J87 0.2- 0.7- 040901 673 0.5+ 0.0 041004 213 0.2- 0.9-
040807 246 0.6- 0.4+ 040901 673 0.5+ 0.0 041004 213 0.1+ 0.5-
040807 246 0.7- 0.4+ 040901 673 0.6+ 0.1+ 041004 213 0.2+ 0.3-
040807 246 1.0- 0.4+ 040902 213 (2.7+ 1.0+) 041006 D74 0.6+ 1.4+
040807 246 0.8- 0.4+ 040904 213 (2.6+ 0.1-) 041006 D74 0.6- 0.6+
040807 246 0.4- 0.6+ 040904 213 1.3- 0.1+ 041006 360 0.3- 0.6-
040807 J87 1.2+ 1.1- 040904 213 1.7- 0.3- 041006 360 0.2- 0.7-
040807 557 0.1- 0.4- 040904 213 (2.1- 0.3-) 041006 360 0.4+ 0.0
040807 J95 0.4- 0.9- 040906 215 0.4- 0.9- 041006 D74 0.2+ 0.5-
040807 J95 0.6- 1.4- 040906 215 0.2- 0.5- 041007 850 1.4+ 1.3+
040807 J95 0.6+ 0.5- 040906 215 0.2+ 0.5- 041007 850 0.4- 0.3-
040807 557 0.8- 0.3- 040908 360 0.0 0.5+ 041010 213 0.4+ 1.3-
040808 850 0.8- 0.5+ 040908 360 0.3+ 0.2- 041010 213 0.3+ 1.2-
040808 850 (2.4- 0.1-) 040908 360 0.1- 0.6+ 041010 213 1.0+ 1.4-
040808 246 0.9+ 0.9+ 040908 213 1.2- 0.8+ 041011 170 0.8- 0.8-
040808 246 0.5+ 1.5+ 040908 213 0.6- 0.3+ 041013 360 0.2+ 0.0
040808 246 0.1+ 0.0 040908 213 0.5- 1.3+ 041013 360 0.2- 0.1+
040808 246 0.4+ 0.5- 040909 213 0.3- 0.9- 041013 360 0.3- 0.1+
040808 246 0.3+ 0.6- 040909 213 0.3- 0.7- 041013 360 0.3- 0.2+
040808 151 0.7- 0.4+ 040909 213 0.2- 0.5- 041013 170 0.7+ 0.0
040808 151 0.5- 0.0 040910 213 1.9- 1.1- 041013 170 0.1+ 0.4+
040809 673 0.1+ 0.5+ 040910 213 1.4- 1.6- 041013 170 0.1+ 0.5+
040809 673 0.0 1.0+ 040910 213 1.2- 1.4- 041015 213 0.7+ 0.7-
040809 673 0.5+ 0.2+ 040910 246 0.5+ 0.1+ 041015 213 1.0+ 0.1-
040809 673 0.4+ 0.5+ 040910 246 0.5+ 0.5+ 041016 A02 (0.5- 2.3-)
040809 644 0.3+ 0.4+ 040910 246 0.4+ 0.2- 041102 213 0.1+ 0.6-
040809 644 0.3+ 0.6+ 040910 246 0.5+ 0.3- 041102 213 0.0 0.4-
040809 644 0.6+ 0.3+ 040910 246 0.3+ 0.3- 041102 213 0.1- 0.1-
040809 D74 0.2- 0.2+ 040911 850 0.9- 0.9- 041104 360 0.3+ 0.7+
040809 D74 0.8- 0.3+ 040911 850 1.0+ 0.4- 041104 360 0.2- 0.5+
040809 D74 0.6- 0.2- 040911 850 0.7+ 0.7- 041104 360 0.3+ 0.5+
040811 D74 1.9+ 1.8+ 040911 850 0.1+ 0.8- 2005/
040811 D74 0.8+ 0.3+ 040912 213 0.1+ 0.7+ 050107 204 0.4+ 0.2-
040811 D74 2.0+ 0.7- 040912 213 0.2- 0.7+ 050107 204 0.8- 1.1+
040815 204 1.7- 0.2+ 040912 213 0.2+ 0.7+ 050811 A79 (3.3- 5.4-)
040817 213 0.5+ 0.7- 040912 213 0.2+ 0.9+ 050811 A79 (4.8- 2.5-)
040817 213 0.4+ 0.7- 040913 246 0.3+ 0.2- 050829 461 0.3+ 1.0-
040817 213 0.2+ 0.7- 040913 246 0.1- 0.9+ 050830 461 0.7+ 0.2+
040819 372 0.3+ 0.4+ 040913 246 0.1- 0.0
040819 372 0.6- 1.2+ 040913 246 0.2- 0.0
NAKANO
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C/2004 P1 (NEAT)
Epoch 2003 July 20.0 TT = JDT 2452840.5
T 2003 Aug. 8.46917 TT Nakano
q 6.0122234 (2000.0) P Q
z +0.0001091 Peri. 16.53978 +0.47689653 +0.74437891
+/-0.0000592 Node 284.19680 -0.85113315 +0.25834556
e 0.9993440 Incl. 28.82475 -0.21941299 +0.61575775
From 132 observations 2004 Aug. 5-Nov. 4, mean residual 0".64.
(1/a)org.= -0.000081, (1/a)fut.= -0.000201 (+/-0.000059), Q= 5.
NAKANO
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write mail from CFAD0::NAKANO on 2004-12-09 01:41:38(JST).
◎C/2004 P1の軌道と予報位置です
久万の中村彰正氏によると，11月４日の CCD全光度は19.8等でした．
観測がのびれば，原初軌道の1/aは，プラスに変わるでしょう．
C/2004 P1 (NEAT)
Epoch 2003 July 20.0 TT = JDT 2452840.5
T 2003 Aug. 8.46917 TT Nakano
q 6.0122234 (2000.0) P Q
z +0.0001091 Peri. 16.53978 +0.47689653 +0.74437891
+/-0.0000592 Node 284.19680 -0.85113315 +0.25834556
e 0.9993440 Incl. 28.82475 -0.21941299 +0.61575775
From 132 observations 2004 Aug. 5-Nov. 4, mean residual 0".64.
(1/a)org.= -0.000081, (1/a)fut.= -0.000201 (+/-0.000059), Q= 5.
Date/ TT R.A.(2000) Decl. Delta r Daily motion Mag. Moon Age
h h m ｡ , , / PA ｡ m1 ｡
2004 Nov. 5 12 21 26.37 +11 02.9 6.497 6.791 3.2 / 111 18.8 148 .48
6 12 21 26.57 +11 01.8 6.514 6.794 3.3 / 109 18.8 151 .38
7 12 21 26.79 +11 00.7 6.532 6.798 3.4 / 108 18.8 149 .29
8 12 21 27.01 +10 59.6 6.549 6.801 3.6 / 107 18.8 143 .20
9 12 21 27.24 +10 58.6 6.567 6.804 3.7 / 105 18.8 134 .12
10 12 21 27.48 +10 57.6 6.584 6.807 3.8 / 104 18.8 123 .06
11 12 21 27.73 +10 56.7 6.602 6.810 3.9 / 103 18.8 111 .02
12 12 21 27.99 +10 55.8 6.619 6.813 4.0 / 102 18.9 99 .00
13 12 21 28.26 +10 55.0 6.637 6.817 4.1 / 101 18.9 86 .01
14 12 21 28.53 +10 54.2 6.655 6.820 4.2 / 100 18.9 74 .05
15 12 21 28.82 +10 53.5 6.673 6.823 4.4 / 99 18.9 61 .12
16 12 21 29.11 +10 52.8 6.691 6.826 4.5 / 98 18.9 49 .20
17 12 21 29.41 +10 52.2 6.708 6.830 4.6 / 97 18.9 39 .31
18 12 21 29.72 +10 51.6 6.726 6.833 4.7 / 96 18.9 32 .42
19 12 21 30.04 +10 51.1 6.744 6.836 4.8 / 96 18.9 29 .53
20 12 21 30.36 +10 50.6 6.762 6.839 4.9 / 95 18.9 32 .64
21 12 21 30.70 +10 50.2 6.780 6.842 5.0 / 94 18.9 39 .74
22 12 21 31.04 +10 49.9 6.798 6.846 5.2 / 93 18.9 48 .82
23 12 21 31.39 +10 49.6 6.816 6.849 5.3 / 93 18.9 58 .89
24 12 21 31.74 +10 49.3 6.834 6.852 5.4 / 92 18.9 69 .95
25 12 21 32.11 +10 49.1 6.852 6.855 5.5 / 91 18.9 80 .98
26 12 21 32.48 +10 49.0 6.870 6.859 5.6 / 91 19.0 90 1.00
27 12 21 32.86 +10 48.9 6.887 6.862 5.7 / 90 19.0 101 1.00
28 12 21 33.25 +10 48.9 6.905 6.865 5.8 / 90 19.0 111 .97
29 12 21 33.64 +10 48.9 6.923 6.869 5.9 / 89 19.0 121 .93
30 12 21 34.04 +10 49.0 6.941 6.872 6.0 / 89 19.0 131 .88
Dec. 1 12 21 34.45 +10 49.2 6.959 6.875 6.1 / 88 19.0 139 .81
2 12 21 34.87 +10 49.4 6.976 6.878 6.2 / 88 19.0 146 .74
3 12 21 35.29 +10 49.7 6.994 6.882 6.3 / 87 19.0 151 .65
4 12 21 35.72 +10 50.0 7.012 6.885 6.4 / 87 19.0 151 .55
5 12 21 36.16 +10 50.4 7.029 6.888 6.5 / 86 19.0 147 .45
NAKANO
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write mail from CFAD0::NAKANO on 2004-11-10 01:06:21(JST).
C/2004 P1 (NEAT)
T 2003 Aug. 8.25936 TT Nakano
q 6.0113990 (2000.0) P Q
Peri. 16.52262 +0.47651256 +0.74468349
Node 284.18495 -0.85128281 +0.25801030
e 1.0 Incl. 28.81680 -0.21966647 +0.61553001
From 127 observations 2004 Aug. 5-Oct. 15.
NAKANO
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write mail from CFAD0::NAKANO on 2004-11-03 02:43:59(JST).
C/2004 P1 (NEAT)
T 2003 Aug. 8.44811 TT Nakano
q 6.0112793 (2000.0) P Q
Peri. 16.54125 +0.47667937 +0.74459355
Node 284.17959 -0.85123400 +0.25824272
e 1.0 Incl. 28.81424 -0.21949363 +0.61554134
From 105 observations 2004 Aug. 5-Sept. 22.
NAKANO
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C/2004 P1 (NEAT)
T 2003 Aug. 3.14139 TT Nakano
q 6.0195355 (2000.0) P Q
Peri. 15.98361 +0.47273687 +0.74639543
Node 284.41431 -0.85217668 +0.25191780
e 1.0 Incl. 28.92345 -0.22430952 +0.61597994
From 51 observations 2004 Aug. 5-22.
NAKANO
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write mail from CFAD0::NAKANO on 2004-09-05 02:52:38(JST).
◎C/2004 P1の軌道と予報位置です
EMESと山本速報2434にある軌道から８月20日の観測は，60"以上の大きな
ずれがありました．
那賀川の堀寿夫氏と前野拓氏による８月11日の CCD全光度は19.4等でした．
C/2004 P1 (NEAT)
T 2003 Aug. 12.70971 TT Nakano
q 6.0041440 (2000.0) P Q
Peri. 17.00837 +0.47975805 +0.74324621
Node 283.96720 -0.85051105 +0.26338939
e 1.0 Incl. 28.71717 -0.21555318 +0.61498870
From 45 observations 2004 Aug. 5-20.
Date/ TT R.A.(2000) Decl. Delta r Daily motion Mag. Moon Age
h h m ｡ , , / PA ｡ m1 ｡
2004 Aug. 20 12 21 36.87 +12 52.9 5.619 6.545 5.5 / 269 18.4 125 .20
21 12 21 36.50 +12 52.9 5.621 6.547 5.5 / 268 18.4 114 .29
22 12 21 36.12 +12 52.7 5.624 6.550 5.4 / 268 18.4 103 .40
23 12 21 35.75 +12 52.5 5.627 6.553 5.4 / 267 18.4 90 .51
24 12 21 35.38 +12 52.1 5.630 6.556 5.4 / 266 18.4 78 .62
25 12 21 35.02 +12 51.8 5.633 6.558 5.3 / 265 18.4 66 .73
26 12 21 34.66 +12 51.3 5.637 6.561 5.3 / 264 18.4 54 .83
27 12 21 34.30 +12 50.8 5.641 6.564 5.3 / 264 18.4 43 .91
28 12 21 33.94 +12 50.2 5.645 6.567 5.2 / 263 18.4 35 .96
29 12 21 33.59 +12 49.6 5.650 6.569 5.2 / 262 18.4 30 .99
30 12 21 33.24 +12 48.8 5.655 6.572 5.1 / 261 18.4 32 1.00
31 12 21 32.89 +12 48.1 5.660 6.575 5.1 / 260 18.4 39 .97
Sept. 1 12 21 32.55 +12 47.2 5.665 6.578 5.0 / 260 18.4 48 .93
2 12 21 32.21 +12 46.3 5.671 6.581 5.0 / 259 18.4 58 .87
3 12 21 31.88 +12 45.3 5.676 6.583 4.9 / 258 18.4 69 .79
4 12 21 31.55 +12 44.3 5.683 6.586 4.9 / 257 18.4 79 .70
5 12 21 31.23 +12 43.2 5.689 6.589 4.8 / 256 18.4 90 .61
6 12 21 30.91 +12 42.1 5.696 6.592 4.7 / 256 18.4 100 .51
7 12 21 30.59 +12 40.9 5.702 6.595 4.7 / 255 18.4 110 .42
8 12 21 30.29 +12 39.7 5.710 6.598 4.6 / 254 18.4 120 .33
9 12 21 29.98 +12 38.4 5.717 6.600 4.5 / 253 18.4 130 .24
10 12 21 29.69 +12 37.1 5.725 6.603 4.5 / 252 18.4 138 .16
11 12 21 29.40 +12 35.7 5.733 6.606 4.4 / 251 18.4 145 .10
12 12 21 29.12 +12 34.3 5.741 6.609 4.3 / 250 18.4 149 .05
13 12 21 28.84 +12 32.8 5.749 6.612 4.2 / 249 18.5 149 .01
14 12 21 28.57 +12 31.3 5.758 6.615 4.2 / 248 18.5 144 .00
15 12 21 28.31 +12 29.8 5.767 6.618 4.1 / 247 18.5 136 .01
16 12 21 28.05 +12 28.2 5.776 6.620 4.0 / 246 18.5 126 .04
17 12 21 27.80 +12 26.6 5.785 6.623 3.9 / 245 18.5 115 .10
18 12 21 27.56 +12 24.9 5.795 6.626 3.8 / 244 18.5 103 .17
19 12 21 27.33 +12 23.2 5.805 6.629 3.7 / 243 18.5 91 .26
20 12 21 27.10 +12 21.5 5.815 6.632 3.6 / 242 18.5 79 .37
21 12 21 26.88 +12 19.8 5.825 6.635 3.5 / 240 18.5 67 .48
22 12 21 26.67 +12 18.0 5.836 6.638 3.5 / 239 18.5 55 .60
23 12 21 26.47 +12 16.3 5.846 6.641 3.4 / 238 18.5 45 .71
24 12 21 26.28 +12 14.4 5.857 6.644 3.3 / 236 18.5 36 .80
25 12 21 26.09 +12 12.6 5.869 6.647 3.2 / 235 18.5 31 .89
26 12 21 25.91 +12 10.8 5.880 6.650 3.1 / 233 18.5 31 .95
27 12 21 25.74 +12 08.9 5.892 6.652 3.0 / 231 18.5 37 .99
28 12 21 25.58 +12 07.1 5.903 6.655 2.9 / 230 18.5 45 1.00
29 12 21 25.43 +12 05.2 5.916 6.658 2.8 / 228 18.5 56 .99
30 12 21 25.29 +12 03.3 5.928 6.661 2.7 / 226 18.5 66 .96
Oct. 1 12 21 25.16 +12 01.4 5.940 6.664 2.6 / 224 18.5 77 .91
NAKANO
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write mail from CFAD0::NAKANO on 2004-08-22 00:59:09(JST).
◎C/2004 P1の軌道と予報位置です
那賀川の堀寿夫氏と前野拓氏から，我が国で最初となるこの彗星の観測報告
がありました．氏等の CCD全光度は，19.3等でした．なお，18等台の CCD観測
もあります．彗星は，周期が 500年から1000年程度の長周期彗星でしょう．
C/2004 P1 (NEAT)
T 2006 Mar. 16.20578 TT Nakano
q 5.6162773 (2000.0) P Q
Peri. 99.66505 +0.76525022 -0.42647657
Node 286.97454 +0.17766854 +0.85988832
e 1.0 Incl. 30.27538 +0.61872934 +0.28055270
From 27 observations 2004 Aug. 5-Aug. 9.
Date/ TT R.A.(2000) Decl. Delta r Daily motion Mag. Moon Age
h h m ｡ , , / PA ｡ m1 ｡
2004 Aug. 10 12 21 40.65 +12 49.4 6.073 6.980 5.6 / 278 19.7 101 .26
11 12 21 40.27 +12 50.2 6.066 6.976 5.6 / 277 19.7 112 .18
12 12 21 39.89 +12 50.9 6.059 6.971 5.6 / 276 19.7 122 .12
13 12 21 39.51 +12 51.5 6.052 6.967 5.7 / 275 19.7 131 .06
14 12 21 39.12 +12 52.0 6.046 6.963 5.7 / 275 19.7 140 .03
15 12 21 38.74 +12 52.4 6.040 6.959 5.7 / 274 19.7 146 .00
16 12 21 38.35 +12 52.8 6.034 6.955 5.7 / 273 19.7 150 .00
17 12 21 37.96 +12 53.1 6.029 6.951 5.7 / 272 19.7 149 .02
18 12 21 37.58 +12 53.3 6.024 6.947 5.7 / 272 19.7 144 .06
19 12 21 37.19 +12 53.5 6.019 6.943 5.7 / 271 19.7 135 .12
20 12 21 36.80 +12 53.6 6.014 6.939 5.6 / 270 19.7 125 .20
21 12 21 36.42 +12 53.6 6.010 6.935 5.6 / 269 19.7 114 .29
22 12 21 36.03 +12 53.5 6.006 6.931 5.6 / 269 19.7 103 .40
23 12 21 35.65 +12 53.4 6.002 6.927 5.6 / 268 19.7 90 .51
24 12 21 35.26 +12 53.1 5.998 6.923 5.6 / 267 19.7 78 .62
25 12 21 34.88 +12 52.9 5.995 6.919 5.6 / 266 19.7 66 .73
26 12 21 34.50 +12 52.5 5.992 6.915 5.5 / 266 19.7 54 .83
27 12 21 34.13 +12 52.1 5.989 6.911 5.5 / 265 19.7 43 .91
28 12 21 33.75 +12 51.6 5.987 6.907 5.5 / 264 19.7 35 .96
29 12 21 33.38 +12 51.1 5.985 6.903 5.4 / 264 19.7 30 .99
30 12 21 33.01 +12 50.5 5.983 6.899 5.4 / 263 19.7 32 1.00
31 12 21 32.64 +12 49.9 5.981 6.895 5.4 / 262 19.7 39 .97
Sept. 1 12 21 32.27 +12 49.1 5.979 6.891 5.3 / 262 19.7 48 .93
2 12 21 31.91 +12 48.3 5.978 6.887 5.3 / 261 19.7 58 .87
3 12 21 31.56 +12 47.5 5.977 6.883 5.3 / 260 19.7 69 .79
4 12 21 31.20 +12 46.6 5.977 6.879 5.2 / 259 19.7 79 .70
5 12 21 30.85 +12 45.7 5.976 6.875 5.2 / 259 19.7 90 .61
6 12 21 30.51 +12 44.6 5.976 6.871 5.1 / 258 19.7 100 .51
7 12 21 30.17 +12 43.6 5.977 6.867 5.1 / 257 19.7 110 .42
8 12 21 29.83 +12 42.5 5.977 6.863 5.0 / 257 19.7 120 .33
9 12 21 29.50 +12 41.3 5.978 6.859 4.9 / 256 19.7 130 .24
10 12 21 29.17 +12 40.1 5.979 6.855 4.9 / 255 19.7 138 .16
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write mail from CFAD0::NAKANO on 2004-08-11 04:45:26(JST).
戻ります。