メタデータ
| 項目 |
値 |
| Designation |
P/2010 H5 (Scotti) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2010-04-17T17:01:04.771200Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:42Z |
| Obs used |
67 |
| NEO |
- |
| M1 |
9.600 |
| K1 |
10.000 |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2010-05-23.0000000 |
| e |
0.15644880 |
| q (au) |
6.025951 |
| a (au) |
7.143551 |
| i (deg) |
14.087184 |
| Ω (om, deg) |
24.899476 |
| ω (w, deg) |
175.129940 |
| M (ma, deg) |
1.821779 |
等級
散乱 + 全体線形
$$
M_a = (8.141 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
8.141 |
| n |
6.000 |
| gf |
0.975 |
| gb |
-0.689 |
| k |
0.800 |
| δ90 |
9.999 |
| 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 |
09:46:02.83 |
+26:00:39.8 |
HIP 48024 |
25.09 |
| 2026-09-20 12:00 |
09:46:23.43 |
+25:59:20.8 |
HIP 48024 |
23.10 |
| 2026-09-21 00:00 |
09:46:43.98 |
+25:58:02.3 |
HIP 48024 |
22.00 |
| 2026-09-21 12:00 |
09:47:04.47 |
+25:56:44.3 |
HIP 48024 |
21.90 |
| 2026-09-22 00:00 |
09:47:24.91 |
+25:55:26.7 |
HIP 48024 |
22.82 |
| 2026-09-22 12:00 |
09:47:45.28 |
+25:54:09.5 |
HIP 48024 |
24.64 |
| 2026-09-23 00:00 |
09:48:05.60 |
+25:52:52.8 |
HIP 48024 |
27.16 |
| 2026-09-23 12:00 |
09:48:25.86 |
+25:51:36.6 |
HIP 48024 |
30.21 |
| 2026-09-24 00:00 |
09:48:46.06 |
+25:50:20.8 |
HIP 48227 |
30.51 |
| 2026-09-24 12:00 |
09:49:06.20 |
+25:49:05.5 |
HIP 48227 |
27.21 |
| 2026-09-25 00:00 |
09:49:26.27 |
+25:47:50.7 |
HIP 48227 |
24.39 |
| 2026-09-25 12:00 |
09:49:46.29 |
+25:46:36.4 |
HIP 48227 |
22.23 |
| 2026-09-26 00:00 |
09:50:06.24 |
+25:45:22.5 |
HIP 48227 |
20.92 |
| 2026-09-26 12:00 |
09:50:26.13 |
+25:44:09.1 |
HIP 48227 |
20.60 |
| 2026-09-27 00:00 |
09:50:45.96 |
+25:42:56.2 |
HIP 48227 |
21.32 |
| 2026-09-27 12:00 |
09:51:05.72 |
+25:41:43.8 |
HIP 48227 |
22.97 |
| 2026-09-28 00:00 |
09:51:25.42 |
+25:40:31.9 |
HIP 48227 |
25.35 |
| 2026-09-28 12:00 |
09:51:45.05 |
+25:39:20.5 |
HIP 48455 |
25.15 |
| 2026-09-29 00:00 |
09:52:04.62 |
+25:38:09.6 |
HIP 48511 |
20.89 |
| 2026-09-29 12:00 |
09:52:24.12 |
+25:36:59.2 |
HIP 48511 |
16.69 |
| 2026-09-30 00:00 |
09:52:43.55 |
+25:35:49.4 |
HIP 48511 |
12.75 |
| 2026-09-30 12:00 |
09:53:02.92 |
+25:34:40.0 |
HIP 48511 |
9.37 |
| 2026-10-01 00:00 |
09:53:22.22 |
+25:33:31.2 |
HIP 48511 |
7.32 |
| 2026-10-01 12:00 |
09:53:41.45 |
+25:32:22.9 |
HIP 48511 |
7.73 |
| 2026-10-02 00:00 |
09:54:00.61 |
+25:31:15.1 |
HIP 48511 |
10.29 |
| 2026-10-02 12:00 |
09:54:19.70 |
+25:30:07.9 |
HIP 48511 |
13.83 |
| 2026-10-03 00:00 |
09:54:38.72 |
+25:29:01.2 |
HIP 48511 |
17.77 |
| 2026-10-03 12:00 |
09:54:57.66 |
+25:27:55.0 |
HIP 48511 |
21.88 |
| 2026-10-04 00:00 |
09:55:16.54 |
+25:26:49.4 |
HIP 48511 |
26.07 |
| 2026-10-04 12:00 |
09:55:35.34 |
+25:25:44.4 |
HIP 48759 |
27.44 |
| 2026-10-05 00:00 |
09:55:54.06 |
+25:24:39.9 |
HIP 48759 |
24.31 |
| 2026-10-05 12:00 |
09:56:12.72 |
+25:23:36.0 |
HIP 48759 |
21.62 |
| 2026-10-06 00:00 |
09:56:31.29 |
+25:22:32.7 |
HIP 48759 |
19.55 |
| 2026-10-06 12:00 |
09:56:49.79 |
+25:21:29.9 |
HIP 48759 |
18.29 |
| 2026-10-07 00:00 |
09:57:08.22 |
+25:20:27.7 |
HIP 48759 |
18.02 |
| 2026-10-07 12:00 |
09:57:26.56 |
+25:19:26.1 |
HIP 48759 |
18.75 |
| 2026-10-08 00:00 |
09:57:44.83 |
+25:18:25.2 |
HIP 48759 |
20.37 |
| 2026-10-08 12:00 |
09:58:03.01 |
+25:17:24.8 |
HIP 48759 |
22.67 |
| 2026-10-09 00:00 |
09:58:21.12 |
+25:16:25.0 |
HIP 48759 |
25.47 |
| 2026-10-09 12:00 |
09:58:39.15 |
+25:15:25.8 |
HIP 48759 |
28.60 |
| 2026-10-10 00:00 |
09:58:57.09 |
+25:14:27.2 |
HIP 48759 |
31.97 |
| 2026-10-10 12:00 |
09:59:14.95 |
+25:13:29.2 |
HIP 48759 |
35.49 |
| 2026-10-11 00:00 |
09:59:32.73 |
+25:12:31.9 |
HIP 49188 |
38.51 |