C/2010 M1 (Gibbs)
メタデータ
| 項目 |
値 |
| Designation |
C/2010 M1 (Gibbs) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2010-12-07T17:29:11.739840Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:44Z |
| Obs used |
24 |
| NEO |
- |
| M1 |
7.400 |
| K1 |
10.000 |
| PC |
- |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2010-06-21.0000000 |
| e |
1.00392663 |
| q (au) |
7.977048 |
| a (au) |
-2031.524363 |
| i (deg) |
116.576314 |
| Ω (om, deg) |
66.486160 |
| ω (w, deg) |
167.188855 |
| M (ma, deg) |
-0.001827 |
等級
散乱 + 全体線形
$$
M_a = (10.041 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
10.041 |
| n |
6.000 |
| gf |
0.944 |
| gb |
-0.938 |
| k |
0.801 |
| δ90 |
9.234 |
| 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 |
07:31:08.85 |
-41:48:30.5 |
HIP 36614 |
13.46 |
| 2026-02-03 12:00 |
07:31:03.09 |
-41:47:58.1 |
HIP 36614 |
14.50 |
| 2026-02-04 00:00 |
07:30:57.35 |
-41:47:25.1 |
HIP 36614 |
15.57 |
| 2026-02-04 12:00 |
07:30:51.64 |
-41:46:51.8 |
HIP 36614 |
16.66 |
| 2026-02-05 00:00 |
07:30:45.94 |
-41:46:17.9 |
HIP 36614 |
17.76 |
| 2026-02-05 12:00 |
07:30:40.27 |
-41:45:43.7 |
HIP 36378 |
17.68 |
| 2026-02-06 00:00 |
07:30:34.62 |
-41:45:08.9 |
HIP 36378 |
16.99 |
| 2026-02-06 12:00 |
07:30:29.00 |
-41:44:33.8 |
HIP 36378 |
16.37 |
| 2026-02-07 00:00 |
07:30:23.40 |
-41:43:58.2 |
HIP 36378 |
15.82 |
| 2026-02-07 12:00 |
07:30:17.82 |
-41:43:22.1 |
HIP 36378 |
15.36 |
| 2026-02-08 00:00 |
07:30:12.27 |
-41:42:45.7 |
HIP 36378 |
14.98 |
| 2026-02-08 12:00 |
07:30:06.75 |
-41:42:08.8 |
HIP 36378 |
14.71 |
| 2026-02-09 00:00 |
07:30:01.25 |
-41:41:31.4 |
HIP 36378 |
14.53 |
| 2026-02-09 12:00 |
07:29:55.78 |
-41:40:53.7 |
HIP 36378 |
14.46 |
| 2026-02-10 00:00 |
07:29:50.34 |
-41:40:15.5 |
HIP 36378 |
14.50 |
| 2026-02-10 12:00 |
07:29:44.92 |
-41:39:36.9 |
HIP 36378 |
14.64 |
| 2026-02-11 00:00 |
07:29:39.53 |
-41:38:57.8 |
HIP 36378 |
14.89 |
| 2026-02-11 12:00 |
07:29:34.17 |
-41:38:18.4 |
HIP 36378 |
15.24 |
| 2026-02-12 00:00 |
07:29:28.84 |
-41:37:38.5 |
HIP 36378 |
15.68 |
| 2026-02-12 12:00 |
07:29:23.53 |
-41:36:58.3 |
HIP 36378 |
16.20 |
| 2026-02-13 00:00 |
07:29:18.26 |
-41:36:17.6 |
HIP 36378 |
16.80 |
| 2026-02-13 12:00 |
07:29:13.01 |
-41:35:36.5 |
HIP 36378 |
17.46 |
| 2026-02-14 00:00 |
07:29:07.80 |
-41:34:55.0 |
HIP 36378 |
18.19 |
| 2026-02-14 12:00 |
07:29:02.61 |
-41:34:13.2 |
HIP 36378 |
18.97 |
| 2026-02-15 00:00 |
07:28:57.46 |
-41:33:30.9 |
HIP 36378 |
19.80 |
| 2026-02-15 12:00 |
07:28:52.34 |
-41:32:48.2 |
HIP 36378 |
20.67 |
| 2026-02-16 00:00 |
07:28:47.25 |
-41:32:05.2 |
HIP 36167 |
20.94 |
| 2026-02-16 12:00 |
07:28:42.19 |
-41:31:21.8 |
HIP 36167 |
20.25 |
| 2026-02-17 00:00 |
07:28:37.16 |
-41:30:38.0 |
HIP 36167 |
19.61 |
| 2026-02-17 12:00 |
07:28:32.17 |
-41:29:53.8 |
HIP 36167 |
19.04 |
| 2026-02-18 00:00 |
07:28:27.21 |
-41:29:09.2 |
HIP 36167 |
18.53 |
| 2026-02-18 12:00 |
07:28:22.29 |
-41:28:24.3 |
HIP 36167 |
18.09 |
| 2026-02-19 00:00 |
07:28:17.39 |
-41:27:39.0 |
HIP 36167 |
17.74 |
| 2026-02-19 12:00 |
07:28:12.54 |
-41:26:53.4 |
HIP 36167 |
17.46 |
| 2026-02-20 00:00 |
07:28:07.71 |
-41:26:07.4 |
HIP 36167 |
17.27 |
| 2026-02-20 12:00 |
07:28:02.92 |
-41:25:21.1 |
HIP 36167 |
17.17 |
| 2026-02-21 00:00 |
07:27:58.17 |
-41:24:34.4 |
HIP 36167 |
17.16 |
| 2026-02-21 12:00 |
07:27:53.45 |
-41:23:47.3 |
HIP 36167 |
17.23 |
| 2026-02-22 00:00 |
07:27:48.77 |
-41:23:00.0 |
HIP 36167 |
17.40 |
| 2026-02-22 12:00 |
07:27:44.13 |
-41:22:12.2 |
HIP 36167 |
17.65 |
| 2026-02-23 00:00 |
07:27:39.52 |
-41:21:24.2 |
HIP 36167 |
17.98 |
| 2026-02-23 12:00 |
07:27:34.95 |
-41:20:35.8 |
HIP 36190 |
17.92 |
| 2026-02-24 00:00 |
07:27:30.41 |
-41:19:47.1 |
HIP 36190 |
16.92 |