C/2007 K5 (Lovejoy)
Epoch 2007 May 20.0 TT = JDT 2454240.5
T 2007 May 1.95894 TT Nakano
q 1.1491587 (2000.0) P Q
z +0.0203072 Peri. 255.58393 +0.14420237 -0.96589961
+/-0.0003551 Node 193.73904 +0.76945751 -0.02719289
e 0.9766638 Incl. 64.88332 -0.62220641 -0.25748494
P 346 years
From 48 observations 2007 May 29-July 18, mean residual 0".58.
Residuals in seconds of arc
2007/ 070603 F85 1.0- 0.1- 070611 F85 0.4+ 0.2-
070526 E27(43.4- 5.0+)Y 070603 415 0.9+ 0.3+ 070611 F85 0.3+ 0.3+
070526 E27(51.1- 9.7+)Y 070603 415 0.1+ 1.1- 070611 D87 0.6+ 1.6+
070528 E94(24.7+ 1.6+) 070603 415 0.4- 0.1- 070611 D87 (5.3+ 2.6-)
070528 E94(10.5- 5.4-) 070604 F85 0.6- 0.4+ 070622 415 0.5+ 1.0-
070528 E27(29.5- 37.7+)Y 070604 F85 0.3- 0.3+ 070622 415 1.6- 1.0+
070528 E27(71.1- 25.3+)Y 070604 F85 0.8- 0.2+ 070623 415 0.1- 0.0
070529 E94(21.5- 9.5-) 070605 415 0.1- 0.1+ 070623 415 0.6- 0.7+
070529 E12 0.1- 0.2+ 070605 415 0.0 0.4- 070623 415 0.5- 0.1-
070529 E12 0.1+ 0.0 070606 F85 0.2+ 0.5+ 070711 474 0.0 0.1+
070529 E12 0.0 0.1- 070606 F85 0.9+ 0.2- 070711 474 1.0- 0.1-
070530 F85 0.2- 0.1- 070606 F85 1.3+ 0.5- 070711 474 0.5- 0.2-
070530 E12 0.1- 0.0 070606 415 0.1+ 0.3+ 070714 415 0.2+ 0.2+
070530 E12 0.3+ 0.0 070606 415 0.6+ 0.1- 070714 415 0.9+ 0.2-
070530 E12 0.2+ 0.4- 070608 F85 0.2+ 0.5- 070714 415 1.7+ 0.2+
070602 415 0.2+ 1.0+ 070608 F85 0.4+ 0.3- 070718 474 0.2- 0.1+
070602 415 0.6+ 0.7- 070610 415 0.1- 0.2+ 070718 474 0.6- 0.1+
070602 415 1.9- 0.1- 070610 415 0.6+ 0.2+ 070718 474 0.6- 0.0
070603 F85 1.0- 0.5- 070611 F85 0.2+ 0.1+ 070718 474 0.7+ 0.8-
NAKANO
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write mail from CFAD0::NAKANO on 2007-08-13 06:05:09(JST).
C/2007 K5 (Lovejoy)
T 2007 May 1.96467 TT Nakano
q 1.1492410 (2000.0) P Q
z +0.0198647 Peri. 255.58930 +0.14414276 -0.96592347
+/-0.0009773 Node 193.73476 +0.76945460 -0.02719648
e 0.9771707 Incl. 64.88244 -0.62222382 -0.25739505
P 357 years
From 37 observations 2007 May 29-June 23.
NAKANO
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(C) Copyright 2007 OAA/ComputingSection
write mail from CFAD0::NAKANO on 2007-07-09 03:50:16(JST).
◎C/2007 K5の軌道と予報位置
６月23日に行なわれたヘラルドの観測は，山本速報2557にある軌道より
約 0ﾟ.5のずれがあった．彗星は，下の軌道のとおり，周期が400年ほどの
長周期彗星であることが判明した．
C/2007 K5 (Lovejoy)
T 2007 May 1.96467 TT Nakano
q 1.1492410 (2000.0) P Q
z +0.0198647 Peri. 255.58930 +0.14414276 -0.96592347
+/-0.0009773 Node 193.73476 +0.76945460 -0.02719648
e 0.9771707 Incl. 64.88244 -0.62222382 -0.25739505
P 357 years
From 37 observations 2007 May 29-June 23.
なお，YC 2557にも書いたとおり，この彗星は，今年11月まで北半球では観測
できない．その頃，彗星は，18等級まで減光しているだろう．
2007/ α (2000) δ △ ｒ Daily motion Elong. Phase m1 天文薄明終了時
0h TT h m ｡ , AU AU , ｡ ｡ ｡ 等 h｡ A ｡
June 24 08 07.50 -12 58.0 1.906 1.414 61.0/ 85 46.5 31.4 13.9 -21.4 89.1
29 08 28.25 -12 27.7 1.968 1.459 57.7/ 85 46.0 30.1 14.1 -21.0 89.4
July 4 08 47.83 -11 58.4 2.038 1.506 54.4/ 85 45.2 28.6 14.3 -20.5 89.7
9 09 06.25 -11 30.8 2.112 1.554 51.2/ 85 44.2 27.1 14.5 -20.2 90.0
14 09 23.57 -11 05.6 2.192 1.604 48.2/ 85 42.9 25.6 14.8 -19.8 90.3
19 09 39.85 -10 43.0 2.275 1.655 45.3/ 85 41.4 24.0 15.0 -19.3 90.5
24 09 55.16 -10 23.3 2.361 1.707 42.7/ 86 39.7 22.3 15.2 -19.1 90.7
29 10 09.57 -10 06.3 2.448 1.760 40.3/ 86 37.8 20.7 15.4 -18.9 90.9
Aug. 3 10 23.18 -09 52.1 2.537 1.813 38.1/ 87 35.8 19.1 15.6 -18.7 91.1
8 10 36.04 -09 40.4 2.625 1.868 36.1/ 87 33.6 17.5 15.8 -18.6 91.3
13 10 48.23 -09 31.1 2.714 1.922 34.3/ 88 31.3 15.9 16.0 -18.6 91.5
18 10 59.82 -09 24.1 2.801 1.977 32.7/ 88 28.9 14.4 16.2 -18.7 91.7
23 11 10.85 -09 18.9 2.887 2.032 31.2/ 89 26.5 12.8 16.4 -18.8 91.9
28 11 21.39 -09 15.4 2.971 2.088 29.8/ 89 23.9 11.3 16.6 -19.0 92.1
Sept. 2 11 31.46 -09 13.4 3.053 2.143 28.6/ 90 21.2 9.8 16.7 -19.3 92.4
7 11 41.13 -09 12.6 3.131 2.199 27.5/ 90 18.5 8.4 16.9 -19.7 92.7
12 11 50.41 -09 12.8 3.207 2.255 26.4/ 91 15.8 7.0 17.1 -20.2 93.0
17 11 59.34 -09 13.8 3.279 2.311 25.5/ 91 13.0 5.6 17.2 -20.7 93.4
22 12 07.94 -09 15.4 3.347 2.366 24.6/ 91 10.4 4.4 17.4 -21.4 93.9
27 12 16.24 -09 17.4 3.411 2.422 23.7/ 91 8.0 3.3 17.5 -22.2 94.4
Oct. 2 12 24.25 -09 19.5 3.470 2.478 22.9/ 91 6.2 2.5 17.6 -23.1 95.0
2007/ α (2000) δ △ ｒ Daily motion Elong. Phase m1 天文薄明開始時
0h TT h m ｡ , AU AU , ｡ ｡ ｡ 等 h｡ A ｡
Oct. 2 12 24.25 -09 19.5 3.470 2.478 22.9/ 91 6.2 2.5 17.6 -19.5 267.6
7 12 31.99 -09 21.6 3.525 2.533 22.1/ 91 5.9 2.3 17.8 -16.2 270.0
12 12 39.47 -09 23.6 3.576 2.588 21.4/ 91 7.2 2.8 17.9 -12.9 272.4
17 12 46.70 -09 25.2 3.621 2.644 20.7/ 91 9.6 3.6 18.0 -9.6 274.8
22 12 53.69 -09 26.3 3.662 2.699 20.0/ 90 12.6 4.6 18.1 -6.2 277.2
27 13 00.43 -09 26.6 3.697 2.754 19.3/ 90 15.8 5.6 18.2 -2.8 279.6
Nov. 1 13 06.94 -09 26.1 3.727 2.808 18.6/ 89 19.2 6.7 18.3 +0.7 282.1
6 13 13.22 -09 24.6 3.752 2.863 17.9/ 88 22.7 7.7 18.4 +4.2 284.7
11 13 19.26 -09 21.9 3.772 2.917 17.2/ 87 26.3 8.6 18.5 +7.8 287.4
16 13 25.05 -09 17.8 3.787 2.972 16.5/ 86 30.0 9.6 18.6 +11.3 290.2
21 13 30.60 -09 12.3 3.796 3.026 15.7/ 85 33.8 10.5 18.7 +14.8 293.1
26 13 35.89 -09 05.1 3.801 3.079 15.0/ 83 37.7 11.3 18.8 +18.4 296.2
Dec. 1 13 40.92 -08 56.0 3.800 3.133 14.3/ 81 41.7 12.1 18.9 +21.8 299.4
6 13 45.68 -08 45.1 3.795 3.186 13.5/ 79 45.7 12.8 18.9 +25.2 302.9
11 13 50.15 -08 32.0 3.786 3.240 12.8/ 76 49.9 13.4 19.0 +28.6 306.6
16 13 54.32 -08 16.6 3.772 3.293 12.0/ 73 54.1 14.0 19.1 +31.8 310.5
21 13 58.18 -07 58.8 3.754 3.345 11.3/ 69 58.4 14.5 19.1 +34.8 314.7
26 14 01.71 -07 38.4 3.733 3.398 10.5/ 64 62.8 14.9 19.2 +37.7 319.2
31 14 04.90 -07 15.4 3.709 3.450 9.9/ 58 67.3 15.2 19.2 +40.3 324.0
Jan. 5 14 07.72 -06 49.6 3.682 3.502 9.3/ 52 71.9 15.5 19.3 +42.7 329.0
10 14 10.17 -06 20.8 3.652 3.554 8.8/ 44 76.5 15.6 19.3 +44.9 334.4
15 14 12.22 -05 48.9 3.621 3.606 8.5/ 35 81.3 15.6 19.4 +46.8 340.1
20 14 13.86 -05 14.0 3.589 3.658 8.4/ 25 86.2 15.6 19.4 +48.3 346.0
25 14 15.07 -04 36.0 3.556 3.709 8.5/ 16 91.2 15.4 19.4 +49.6 352.2
30 14 15.84 -03 54.8 3.524 3.760 8.9/ 6 96.2 15.1 19.5 +50.6 358.6
m1 = 11.0 + 5 log △ + 10.0 log ｒ
NAKANO
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write mail from CFAD0::NAKANO on 2007-06-28 04:13:54(JST).
C/2007 K5 (Lovejoy)
T 2007 May 2.27814 TT Nakano
q 1.1538860 (2000.0) P Q
Peri. 255.88092 +0.13988602 -0.96697476
Node 193.61807 +0.76985553 -0.02910213
e 1.0 Incl. 64.80740 -0.62269925 -0.25320520
From 10 observations 2007 May 29-June 2.
NAKANO
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(C) Copyright 2007 OAA/ComputingSection
write mail from CFAD0::NAKANO on 2007-06-06 06:36:40(JST).
戻ります。