P/2010 H4 (Scotti)
メタデータ
| 項目 |
値 |
| Designation |
P/2010 H4 (Scotti) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2010-07-03T04:12:20.969280Z |
| Orbit solution date (soln_date, UTC) |
2024-04-13T16:42:57Z |
| Obs used |
56 |
| NEO |
- |
| M1 |
10.900 |
| 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) |
2010-05-03.0000000 |
| e |
0.27215157 |
| q (au) |
4.820821 |
| a (au) |
6.623386 |
| i (deg) |
2.314372 |
| Ω (om, deg) |
44.846591 |
| ω (w, deg) |
181.161990 |
| M (ma, deg) |
356.462799 |
等級
散乱 + 全体線形
$$
M_a = (6.615 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
6.615 |
| n |
6.000 |
| gf |
0.999 |
| gb |
-0.974 |
| 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
天体暦
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-02-03 00:00 |
12:16:31.66 |
+00:24:47.9 |
HIP 59890 |
7.62 |
| 2026-02-03 12:00 |
12:16:27.72 |
+00:25:19.0 |
HIP 59890 |
8.73 |
| 2026-02-04 00:00 |
12:16:23.61 |
+00:25:51.1 |
HIP 59890 |
9.89 |
| 2026-02-04 12:00 |
12:16:19.32 |
+00:26:24.2 |
HIP 59890 |
11.10 |
| 2026-02-05 00:00 |
12:16:14.87 |
+00:26:58.4 |
HIP 59890 |
12.35 |
| 2026-02-05 12:00 |
12:16:10.24 |
+00:27:33.6 |
HIP 59890 |
13.65 |
| 2026-02-06 00:00 |
12:16:05.44 |
+00:28:09.9 |
HIP 59890 |
14.99 |
| 2026-02-06 12:00 |
12:16:00.47 |
+00:28:47.2 |
HIP 59890 |
16.38 |
| 2026-02-07 00:00 |
12:15:55.33 |
+00:29:25.5 |
HIP 59890 |
17.81 |
| 2026-02-07 12:00 |
12:15:50.02 |
+00:30:04.8 |
HIP 59890 |
19.29 |
| 2026-02-08 00:00 |
12:15:44.54 |
+00:30:45.2 |
HIP 59890 |
20.82 |
| 2026-02-08 12:00 |
12:15:38.89 |
+00:31:26.6 |
HIP 59890 |
22.39 |
| 2026-02-09 00:00 |
12:15:33.08 |
+00:32:08.9 |
HIP 59890 |
24.00 |
| 2026-02-09 12:00 |
12:15:27.10 |
+00:32:52.3 |
HIP 59890 |
25.66 |
| 2026-02-10 00:00 |
12:15:20.96 |
+00:33:36.6 |
HIP 59890 |
27.37 |
| 2026-02-10 12:00 |
12:15:14.65 |
+00:34:22.0 |
HIP 59890 |
29.11 |
| 2026-02-11 00:00 |
12:15:08.18 |
+00:35:08.3 |
HIP 59890 |
30.91 |
| 2026-02-11 12:00 |
12:15:01.54 |
+00:35:55.6 |
HIP 59890 |
32.74 |
| 2026-02-12 00:00 |
12:14:54.74 |
+00:36:43.8 |
HIP 59890 |
34.62 |
| 2026-02-12 12:00 |
12:14:47.78 |
+00:37:33.0 |
HIP 59890 |
36.54 |
| 2026-02-13 00:00 |
12:14:40.67 |
+00:38:23.1 |
HIP 59890 |
38.51 |
| 2026-02-13 12:00 |
12:14:33.39 |
+00:39:14.2 |
HIP 59890 |
40.52 |
| 2026-02-14 00:00 |
12:14:25.96 |
+00:40:06.2 |
HIP 59890 |
42.57 |
| 2026-02-14 12:00 |
12:14:18.37 |
+00:40:59.1 |
HIP 59500 |
43.77 |
| 2026-02-15 00:00 |
12:14:10.62 |
+00:41:52.9 |
HIP 59500 |
41.74 |
| 2026-02-15 12:00 |
12:14:02.72 |
+00:42:47.6 |
HIP 59500 |
39.67 |
| 2026-02-16 00:00 |
12:13:54.67 |
+00:43:43.2 |
HIP 59500 |
37.58 |
| 2026-02-16 12:00 |
12:13:46.47 |
+00:44:39.6 |
HIP 59500 |
35.47 |
| 2026-02-17 00:00 |
12:13:38.12 |
+00:45:37.0 |
HIP 59500 |
33.35 |
| 2026-02-17 12:00 |
12:13:29.62 |
+00:46:35.2 |
HIP 59500 |
31.21 |
| 2026-02-18 00:00 |
12:13:20.97 |
+00:47:34.2 |
HIP 59500 |
29.07 |
| 2026-02-18 12:00 |
12:13:12.18 |
+00:48:34.1 |
HIP 59500 |
26.93 |
| 2026-02-19 00:00 |
12:13:03.24 |
+00:49:34.7 |
HIP 59500 |
24.82 |
| 2026-02-19 12:00 |
12:12:54.16 |
+00:50:36.2 |
HIP 59500 |
22.74 |
| 2026-02-20 00:00 |
12:12:44.95 |
+00:51:38.5 |
HIP 59500 |
20.73 |
| 2026-02-20 12:00 |
12:12:35.59 |
+00:52:41.6 |
HIP 59500 |
18.81 |
| 2026-02-21 00:00 |
12:12:26.10 |
+00:53:45.4 |
HIP 59500 |
17.05 |
| 2026-02-21 12:00 |
12:12:16.47 |
+00:54:50.0 |
HIP 59500 |
15.50 |
| 2026-02-22 00:00 |
12:12:06.71 |
+00:55:55.4 |
HIP 59500 |
14.27 |
| 2026-02-22 12:00 |
12:11:56.81 |
+00:57:01.4 |
HIP 59500 |
13.45 |
| 2026-02-23 00:00 |
12:11:46.79 |
+00:58:08.2 |
HIP 59500 |
13.15 |
| 2026-02-23 12:00 |
12:11:36.64 |
+00:59:15.7 |
HIP 59500 |
13.43 |
| 2026-02-24 00:00 |
12:11:26.37 |
+01:00:23.9 |
HIP 59500 |
14.27 |