メタデータ
| 項目 |
値 |
| 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 |
値 |
| 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
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 |
値 |
| H0 |
16.579 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-1.000 |
| k |
0.999 |
| δ90 |
10.000 |
| 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) |
| 2026-09-20 00:00 |
19:16:18.39 |
-40:40:26.9 |
HIP 94580 |
24.93 |
| 2026-09-20 12:00 |
19:16:31.68 |
-40:38:34.8 |
HIP 94893 |
24.22 |
| 2026-09-21 00:00 |
19:16:45.41 |
-40:36:41.6 |
HIP 94893 |
21.84 |
| 2026-09-21 12:00 |
19:16:59.60 |
-40:34:47.2 |
HIP 94893 |
19.61 |
| 2026-09-22 00:00 |
19:17:14.24 |
-40:32:51.8 |
HIP 94893 |
17.66 |
| 2026-09-22 12:00 |
19:17:29.33 |
-40:30:55.3 |
HIP 94893 |
16.11 |
| 2026-09-23 00:00 |
19:17:44.87 |
-40:28:57.7 |
HIP 94893 |
15.16 |
| 2026-09-23 12:00 |
19:18:00.85 |
-40:26:59.0 |
HIP 94893 |
14.98 |
| 2026-09-24 00:00 |
19:18:17.27 |
-40:24:59.2 |
HIP 94893 |
15.66 |
| 2026-09-24 12:00 |
19:18:34.13 |
-40:22:58.4 |
HIP 94893 |
17.14 |
| 2026-09-25 00:00 |
19:18:51.43 |
-40:20:56.6 |
HIP 94893 |
19.28 |
| 2026-09-25 12:00 |
19:19:09.16 |
-40:18:53.7 |
HIP 94893 |
21.95 |
| 2026-09-26 00:00 |
19:19:27.33 |
-40:16:49.8 |
HIP 95072 |
21.80 |
| 2026-09-26 12:00 |
19:19:45.92 |
-40:14:44.9 |
HIP 95072 |
18.08 |
| 2026-09-27 00:00 |
19:20:04.95 |
-40:12:38.9 |
HIP 95072 |
14.53 |
| 2026-09-27 12:00 |
19:20:24.40 |
-40:10:31.9 |
HIP 95072 |
11.39 |
| 2026-09-28 00:00 |
19:20:44.27 |
-40:08:24.0 |
HIP 95072 |
9.22 |
| 2026-09-28 12:00 |
19:21:04.57 |
-40:06:15.0 |
HIP 95072 |
8.89 |
| 2026-09-29 00:00 |
19:21:25.28 |
-40:04:05.0 |
HIP 95072 |
10.67 |
| 2026-09-29 12:00 |
19:21:46.41 |
-40:01:54.0 |
HIP 95072 |
13.84 |
| 2026-09-30 00:00 |
19:22:07.95 |
-39:59:42.1 |
HIP 95243 |
13.83 |
| 2026-09-30 12:00 |
19:22:29.91 |
-39:57:29.1 |
HIP 95243 |
10.40 |
| 2026-10-01 00:00 |
19:22:52.27 |
-39:55:15.2 |
HIP 95243 |
8.40 |
| 2026-10-01 12:00 |
19:23:15.05 |
-39:53:00.3 |
HIP 95243 |
8.99 |
| 2026-10-02 00:00 |
19:23:38.23 |
-39:50:44.4 |
HIP 95243 |
11.87 |
| 2026-10-02 12:00 |
19:24:01.81 |
-39:48:27.6 |
HIP 95464 |
13.26 |
| 2026-10-03 00:00 |
19:24:25.79 |
-39:46:09.8 |
HIP 95464 |
9.75 |
| 2026-10-03 12:00 |
19:24:50.18 |
-39:43:50.9 |
HIP 95464 |
8.17 |
| 2026-10-04 00:00 |
19:25:14.96 |
-39:41:31.2 |
HIP 95530 |
8.83 |
| 2026-10-04 12:00 |
19:25:40.14 |
-39:39:10.4 |
HIP 95530 |
3.50 |
| 2026-10-05 00:00 |
19:26:05.70 |
-39:36:48.7 |
HIP 95530 |
2.19 |
| 2026-10-05 12:00 |
19:26:31.67 |
-39:34:26.1 |
HIP 95530 |
7.63 |
| 2026-10-06 00:00 |
19:26:58.01 |
-39:32:02.4 |
HIP 95530 |
13.23 |
| 2026-10-06 12:00 |
19:27:24.75 |
-39:29:37.8 |
HIP 95530 |
18.92 |
| 2026-10-07 00:00 |
19:27:51.87 |
-39:27:12.2 |
HIP 95810 |
16.25 |
| 2026-10-07 12:00 |
19:28:19.37 |
-39:24:45.7 |
HIP 95810 |
11.41 |
| 2026-10-08 00:00 |
19:28:47.25 |
-39:22:18.2 |
HIP 95810 |
8.01 |
| 2026-10-08 12:00 |
19:29:15.51 |
-39:19:49.8 |
HIP 95810 |
8.26 |
| 2026-10-09 00:00 |
19:29:44.15 |
-39:17:20.4 |
HIP 95810 |
12.05 |
| 2026-10-09 12:00 |
19:30:13.15 |
-39:14:50.0 |
HIP 95985 |
10.23 |
| 2026-10-10 00:00 |
19:30:42.53 |
-39:12:18.7 |
HIP 95985 |
6.73 |
| 2026-10-10 12:00 |
19:31:12.28 |
-39:09:46.4 |
HIP 95985 |
7.99 |
| 2026-10-11 00:00 |
19:31:42.38 |
-39:07:13.2 |
HIP 95985 |
12.76 |