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 |
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) |
| 2026-05-12 00:00 |
20:07:00.62 |
-32:12:03.4 |
HIP 99148 |
25.98 |
| 2026-05-12 12:00 |
20:07:12.94 |
-32:14:40.6 |
HIP 99148 |
22.66 |
| 2026-05-13 00:00 |
20:07:24.98 |
-32:17:19.4 |
HIP 99148 |
19.47 |
| 2026-05-13 12:00 |
20:07:36.72 |
-32:19:59.6 |
HIP 99148 |
16.46 |
| 2026-05-14 00:00 |
20:07:48.17 |
-32:22:41.3 |
HIP 99148 |
13.74 |
| 2026-05-14 12:00 |
20:07:59.33 |
-32:25:24.6 |
HIP 99148 |
11.47 |
| 2026-05-15 00:00 |
20:08:10.19 |
-32:28:09.3 |
HIP 99148 |
9.96 |
| 2026-05-15 12:00 |
20:08:20.76 |
-32:30:55.5 |
HIP 99148 |
9.54 |
| 2026-05-16 00:00 |
20:08:31.02 |
-32:33:43.2 |
HIP 99148 |
10.33 |
| 2026-05-16 12:00 |
20:08:40.98 |
-32:36:32.5 |
HIP 99148 |
12.07 |
| 2026-05-17 00:00 |
20:08:50.64 |
-32:39:23.2 |
HIP 99148 |
14.42 |
| 2026-05-17 12:00 |
20:09:00.00 |
-32:42:15.4 |
HIP 99148 |
17.10 |
| 2026-05-18 00:00 |
20:09:09.04 |
-32:45:09.1 |
HIP 99262 |
15.79 |
| 2026-05-18 12:00 |
20:09:17.78 |
-32:48:04.4 |
HIP 99262 |
13.36 |
| 2026-05-19 00:00 |
20:09:26.20 |
-32:51:01.1 |
HIP 99262 |
11.41 |
| 2026-05-19 12:00 |
20:09:34.32 |
-32:53:59.3 |
HIP 99262 |
10.20 |
| 2026-05-20 00:00 |
20:09:42.12 |
-32:56:58.9 |
HIP 99262 |
10.00 |
| 2026-05-20 12:00 |
20:09:49.60 |
-33:00:00.1 |
HIP 99262 |
10.85 |
| 2026-05-21 00:00 |
20:09:56.77 |
-33:03:02.7 |
HIP 99262 |
12.53 |
| 2026-05-21 12:00 |
20:10:03.61 |
-33:06:06.8 |
HIP 99262 |
14.75 |
| 2026-05-22 00:00 |
20:10:10.14 |
-33:09:12.4 |
HIP 99360 |
16.78 |
| 2026-05-22 12:00 |
20:10:16.35 |
-33:12:19.4 |
HIP 99360 |
13.90 |
| 2026-05-23 00:00 |
20:10:22.23 |
-33:15:27.9 |
HIP 99360 |
11.24 |
| 2026-05-23 12:00 |
20:10:27.79 |
-33:18:37.8 |
HIP 99360 |
9.02 |
| 2026-05-24 00:00 |
20:10:33.03 |
-33:21:49.2 |
HIP 99360 |
7.60 |
| 2026-05-24 12:00 |
20:10:37.93 |
-33:25:02.0 |
HIP 99360 |
7.49 |
| 2026-05-25 00:00 |
20:10:42.51 |
-33:28:16.2 |
HIP 99399 |
5.01 |
| 2026-05-25 12:00 |
20:10:46.75 |
-33:31:31.9 |
HIP 99399 |
3.36 |
| 2026-05-26 00:00 |
20:10:50.67 |
-33:34:48.9 |
HIP 99399 |
4.46 |
| 2026-05-26 12:00 |
20:10:54.25 |
-33:38:07.4 |
HIP 99399 |
7.14 |
| 2026-05-27 00:00 |
20:10:57.49 |
-33:41:27.2 |
HIP 99399 |
10.23 |
| 2026-05-27 12:00 |
20:11:00.40 |
-33:44:48.4 |
HIP 99399 |
13.46 |
| 2026-05-28 00:00 |
20:11:02.97 |
-33:48:11.0 |
HIP 99399 |
16.75 |
| 2026-05-28 12:00 |
20:11:05.20 |
-33:51:35.0 |
HIP 99399 |
20.08 |
| 2026-05-29 00:00 |
20:11:07.08 |
-33:55:00.3 |
HIP 99302 |
21.35 |
| 2026-05-29 12:00 |
20:11:08.63 |
-33:58:26.9 |
HIP 99302 |
22.33 |
| 2026-05-30 00:00 |
20:11:09.83 |
-34:01:54.9 |
HIP 99302 |
23.72 |
| 2026-05-30 12:00 |
20:11:10.68 |
-34:05:24.2 |
HIP 99591 |
24.46 |
| 2026-05-31 00:00 |
20:11:11.19 |
-34:08:54.7 |
HIP 99591 |
22.23 |
| 2026-05-31 12:00 |
20:11:11.35 |
-34:12:26.6 |
HIP 99591 |
20.43 |
| 2026-06-01 00:00 |
20:11:11.15 |
-34:15:59.8 |
HIP 99591 |
19.17 |
| 2026-06-01 12:00 |
20:11:10.61 |
-34:19:34.2 |
HIP 99591 |
18.59 |
| 2026-06-02 00:00 |
20:11:09.71 |
-34:23:09.8 |
HIP 99591 |
18.76 |