メタデータ
| 項目 |
値 |
| Designation |
30P/Reinmuth 1 |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2017-08-19T01:40:55.568640Z |
| Orbit solution date (soln_date, UTC) |
2025-09-30T14:15:16Z |
| Obs used |
2543 |
| NEO |
- |
| M1 |
13.600 |
| K1 |
7.500 |
| PC |
- |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2016-04-19.0000000 |
| e |
0.50225502 |
| q (au) |
1.876931 |
| a (au) |
3.770870 |
| i (deg) |
8.128534 |
| Ω (om, deg) |
119.715299 |
| ω (w, deg) |
13.245201 |
| M (ma, deg) |
294.440858 |
等級
散乱 + 全体線形
$$
M_a = (13.317 + 2.368\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
13.317 |
| n |
2.368 |
| gf |
0.999 |
| gb |
-0.504 |
| k |
1.000 |
| 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
ファインディングチャート
天体暦
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
18:11:15.19 |
-18:23:21.1 |
HIP 89158 |
7.51 |
| 2026-06-01 12:00 |
18:10:55.67 |
-18:23:34.8 |
HIP 89158 |
12.15 |
| 2026-06-02 00:00 |
18:10:36.03 |
-18:23:48.8 |
HIP 89158 |
16.81 |
| 2026-06-02 12:00 |
18:10:16.27 |
-18:24:03.0 |
HIP 89158 |
21.51 |
| 2026-06-03 00:00 |
18:09:56.40 |
-18:24:17.5 |
HIP 88855 |
23.07 |
| 2026-06-03 12:00 |
18:09:36.41 |
-18:24:32.2 |
HIP 88855 |
18.67 |
| 2026-06-04 00:00 |
18:09:16.32 |
-18:24:47.1 |
HIP 88855 |
14.46 |
| 2026-06-04 12:00 |
18:08:56.12 |
-18:25:02.2 |
HIP 88855 |
10.72 |
| 2026-06-05 00:00 |
18:08:35.82 |
-18:25:17.6 |
HIP 88855 |
8.14 |
| 2026-06-05 12:00 |
18:08:15.42 |
-18:25:33.2 |
HIP 88855 |
8.02 |
| 2026-06-06 00:00 |
18:07:54.93 |
-18:25:49.0 |
HIP 88855 |
10.47 |
| 2026-06-06 12:00 |
18:07:34.34 |
-18:26:05.1 |
HIP 88855 |
14.24 |
| 2026-06-07 00:00 |
18:07:13.66 |
-18:26:21.3 |
HIP 88855 |
18.55 |
| 2026-06-07 12:00 |
18:06:52.90 |
-18:26:37.8 |
HIP 88855 |
23.13 |
| 2026-06-08 00:00 |
18:06:32.05 |
-18:26:54.5 |
HIP 88855 |
27.84 |
| 2026-06-08 12:00 |
18:06:11.13 |
-18:27:11.4 |
HIP 88762 |
30.83 |
| 2026-06-09 00:00 |
18:05:50.13 |
-18:27:28.5 |
HIP 88477 |
27.41 |
| 2026-06-09 12:00 |
18:05:29.06 |
-18:27:45.9 |
HIP 88477 |
22.44 |
| 2026-06-10 00:00 |
18:05:07.91 |
-18:28:03.4 |
HIP 88477 |
17.48 |
| 2026-06-10 12:00 |
18:04:46.71 |
-18:28:21.1 |
HIP 88477 |
12.55 |
| 2026-06-11 00:00 |
18:04:25.44 |
-18:28:39.1 |
HIP 88477 |
7.74 |
| 2026-06-11 12:00 |
18:04:04.11 |
-18:28:57.2 |
HIP 88477 |
3.64 |
| 2026-06-12 00:00 |
18:03:42.73 |
-18:29:15.6 |
HIP 88477 |
4.24 |
| 2026-06-12 12:00 |
18:03:21.30 |
-18:29:34.1 |
HIP 88477 |
8.63 |
| 2026-06-13 00:00 |
18:02:59.83 |
-18:29:52.9 |
HIP 88477 |
13.53 |
| 2026-06-13 12:00 |
18:02:38.31 |
-18:30:11.8 |
HIP 88477 |
18.55 |
| 2026-06-14 00:00 |
18:02:16.75 |
-18:30:31.0 |
HIP 88477 |
23.61 |
| 2026-06-14 12:00 |
18:01:55.15 |
-18:30:50.3 |
HIP 88174 |
20.83 |
| 2026-06-15 00:00 |
18:01:33.53 |
-18:31:09.8 |
HIP 88174 |
15.75 |
| 2026-06-15 12:00 |
18:01:11.88 |
-18:31:29.6 |
HIP 88174 |
10.71 |
| 2026-06-16 00:00 |
18:00:50.20 |
-18:31:49.5 |
HIP 88174 |
5.85 |
| 2026-06-16 12:00 |
18:00:28.51 |
-18:32:09.6 |
HIP 88174 |
2.58 |
| 2026-06-17 00:00 |
18:00:06.79 |
-18:32:29.8 |
HIP 88174 |
5.68 |
| 2026-06-17 12:00 |
17:59:45.07 |
-18:32:50.3 |
HIP 88174 |
10.54 |
| 2026-06-18 00:00 |
17:59:23.34 |
-18:33:10.9 |
HIP 88174 |
15.59 |
| 2026-06-18 12:00 |
17:59:01.61 |
-18:33:31.8 |
HIP 88174 |
20.70 |
| 2026-06-19 00:00 |
17:58:39.87 |
-18:33:52.7 |
HIP 87967 |
19.90 |
| 2026-06-19 12:00 |
17:58:18.14 |
-18:34:13.9 |
HIP 87967 |
18.91 |
| 2026-06-20 00:00 |
17:57:56.42 |
-18:34:35.3 |
HIP 87967 |
19.31 |
| 2026-06-20 12:00 |
17:57:34.71 |
-18:34:56.8 |
HIP 87967 |
21.01 |
| 2026-06-21 00:00 |
17:57:13.02 |
-18:35:18.4 |
HIP 87873 |
21.83 |
| 2026-06-21 12:00 |
17:56:51.34 |
-18:35:40.3 |
HIP 87782 |
18.26 |
| 2026-06-22 00:00 |
17:56:29.68 |
-18:36:02.3 |
HIP 87782 |
14.62 |