Comet Archive

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371P/LINEAR-Skiff

メタデータ

項目
Designation 371P/LINEAR-Skiff
Type P
Perihelion (tp_cal, UTC) 2010-03-26T21:29:58.243200Z
Orbit solution date (soln_date, UTC) 2021-04-15T23:28:37Z
Obs used 175
NEO -
M1 4.300
K1 41.000
PC 0.030
Discovery observation (MPC, UTC) 2018-09-07T02:02:24.864000Z
Discovery magnitude (MPC) 19.80 G
Discovery observatory (MPC) J04 · ESA Optical Ground Station, Tenerife
オスキュレーティング軌道要素
項目
Epoch (epoch_cal, TDB) 2008-07-01.0000000
e 0.47798664
q (au) 2.173642
a (au) 4.163959
i (deg) 17.413290
Ω (om, deg) 67.410638
ω (w, deg) 308.643638
M (ma, deg) 286.470379

等級

371P/LINEAR-Skiff · Magnitude (Full range)

散乱 + 全体線形

$$ M_a = (16.579 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta $$ $$ \theta = 180^\circ - \alpha $$ $$ \Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b) $$ $$ \Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1 $$

モデル定数

項目
H0 16.579
n 2.000
gf 1.000
gb -1.000
k 0.999
δ90 9.995
パラメータ 記号 範囲 説明
太陽・地球距離が1 AUのときの絶対等級 H0 -5 to 20 彗星の固有の明るさ
測光スロープパラメータ n 2 to 6 太陽距離に対する明るさ変化率
前方散乱非対称係数 gf 0.8 to 1 前方散乱の強さ
後方散乱非対称係数 gb -1 to -0.5 後方散乱の強さ
分配係数 k 0.8 to 1 前方/後方散乱の寄与比
ダスト/ガス明るさ比 δ90 1 to 10 ダスト散乱とガス放射の相対寄与

参考: EPSC-DPS2025-160

天体暦

Date/Time (UTC) RA (J2000) Dec (J2000) Nearest HIP Dist from HIP (arcmin)
2026-02-03 00:00 18:29:27.28 -28:25:10.3 HIP 90504 18.30
2026-02-03 12:00 18:30:06.41 -28:25:53.4 HIP 90715 22.48
2026-02-04 00:00 18:30:45.52 -28:26:36.3 HIP 90715 21.35
2026-02-04 12:00 18:31:24.59 -28:27:19.0 HIP 90715 23.54
2026-02-05 00:00 18:32:03.64 -28:28:01.5 HIP 90935 18.33
2026-02-05 12:00 18:32:42.65 -28:28:43.8 HIP 90935 13.27
2026-02-06 00:00 18:33:21.63 -28:29:25.9 HIP 90935 12.80
2026-02-06 12:00 18:34:00.58 -28:30:07.7 HIP 91033 9.75
2026-02-07 00:00 18:34:39.49 -28:30:49.4 HIP 91033 11.66
2026-02-07 12:00 18:35:18.37 -28:31:30.9 HIP 91033 17.99
2026-02-08 00:00 18:35:57.21 -28:32:12.3 HIP 91273 14.58
2026-02-08 12:00 18:36:36.01 -28:32:53.4 HIP 91273 6.36
2026-02-09 00:00 18:37:14.78 -28:33:34.4 HIP 91273 3.78
2026-02-09 12:00 18:37:53.51 -28:34:15.2 HIP 91273 11.57
2026-02-10 00:00 18:38:32.19 -28:34:55.9 HIP 91273 19.97
2026-02-10 12:00 18:39:10.84 -28:35:36.4 HIP 91460 24.78
2026-02-11 00:00 18:39:49.45 -28:36:16.8 HIP 91640 23.59
2026-02-11 12:00 18:40:28.01 -28:36:57.0 HIP 91640 16.75
2026-02-12 00:00 18:41:06.53 -28:37:37.1 HIP 91640 12.20
2026-02-12 12:00 18:41:45.00 -28:38:17.0 HIP 91640 12.67
2026-02-13 00:00 18:42:23.43 -28:38:56.9 HIP 91640 17.76
2026-02-13 12:00 18:43:01.81 -28:39:36.6 HIP 91640 24.74
2026-02-14 00:00 18:43:40.15 -28:40:16.2 HIP 91804 30.58
2026-02-14 12:00 18:44:18.43 -28:40:55.7 HIP 92004 29.85
2026-02-15 00:00 18:44:56.67 -28:41:35.1 HIP 92004 28.48
2026-02-15 12:00 18:45:34.86 -28:42:14.4 HIP 92004 29.55
2026-02-16 00:00 18:46:12.99 -28:42:53.6 HIP 92215 31.99
2026-02-16 12:00 18:46:51.07 -28:43:32.7 HIP 92215 28.61
2026-02-17 00:00 18:47:29.10 -28:44:11.8 HIP 92215 27.47
2026-02-17 12:00 18:48:07.07 -28:44:50.8 HIP 92324 24.78
2026-02-18 00:00 18:48:44.99 -28:45:29.7 HIP 92363 21.19
2026-02-18 12:00 18:49:22.85 -28:46:08.6 HIP 92363 18.53
2026-02-19 00:00 18:50:00.65 -28:46:47.4 HIP 92363 19.38
2026-02-19 12:00 18:50:38.40 -28:47:26.2 HIP 92363 23.34
2026-02-20 00:00 18:51:16.08 -28:48:05.0 HIP 92363 29.17
2026-02-20 12:00 18:51:53.71 -28:48:43.7 HIP 92564 30.40
2026-02-21 00:00 18:52:31.27 -28:49:22.5 HIP 92753 24.03
2026-02-21 12:00 18:53:08.77 -28:50:01.2 HIP 92753 18.08
2026-02-22 00:00 18:53:46.21 -28:50:39.8 HIP 92805 13.69
2026-02-22 12:00 18:54:23.58 -28:51:18.5 HIP 92805 9.45
2026-02-23 00:00 18:55:00.89 -28:51:57.2 HIP 92805 11.22
2026-02-23 12:00 18:55:38.13 -28:52:36.0 HIP 92805 17.22
2026-02-24 00:00 18:56:15.30 -28:53:14.7 HIP 92870 22.32