P/2010 H5 (Scotti)
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 |
1.000 |
| gb |
-0.689 |
| k |
0.800 |
| 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 |
08:19:02.55 |
+36:16:39.3 |
HIP 40616 |
19.41 |
| 2026-02-03 12:00 |
08:18:47.69 |
+36:16:58.9 |
HIP 40616 |
16.49 |
| 2026-02-04 00:00 |
08:18:32.89 |
+36:17:17.6 |
HIP 40616 |
13.63 |
| 2026-02-04 12:00 |
08:18:18.13 |
+36:17:35.3 |
HIP 40616 |
10.85 |
| 2026-02-05 00:00 |
08:18:03.43 |
+36:17:52.0 |
HIP 40616 |
8.24 |
| 2026-02-05 12:00 |
08:17:48.79 |
+36:18:07.7 |
HIP 40616 |
6.00 |
| 2026-02-06 00:00 |
08:17:34.20 |
+36:18:22.4 |
HIP 40616 |
4.67 |
| 2026-02-06 12:00 |
08:17:19.68 |
+36:18:36.1 |
HIP 40616 |
5.01 |
| 2026-02-07 00:00 |
08:17:05.22 |
+36:18:48.8 |
HIP 40616 |
6.75 |
| 2026-02-07 12:00 |
08:16:50.83 |
+36:19:00.5 |
HIP 40616 |
9.11 |
| 2026-02-08 00:00 |
08:16:36.50 |
+36:19:11.2 |
HIP 40616 |
11.71 |
| 2026-02-08 12:00 |
08:16:22.25 |
+36:19:20.9 |
HIP 40616 |
14.41 |
| 2026-02-09 00:00 |
08:16:08.07 |
+36:19:29.6 |
HIP 40616 |
17.16 |
| 2026-02-09 12:00 |
08:15:53.97 |
+36:19:37.4 |
HIP 40400 |
14.75 |
| 2026-02-10 00:00 |
08:15:39.94 |
+36:19:44.1 |
HIP 40400 |
12.40 |
| 2026-02-10 12:00 |
08:15:26.00 |
+36:19:49.8 |
HIP 40400 |
10.32 |
| 2026-02-11 00:00 |
08:15:12.14 |
+36:19:54.4 |
HIP 40400 |
8.68 |
| 2026-02-11 12:00 |
08:14:58.36 |
+36:19:58.1 |
HIP 40400 |
7.75 |
| 2026-02-12 00:00 |
08:14:44.67 |
+36:20:00.8 |
HIP 40400 |
7.77 |
| 2026-02-12 12:00 |
08:14:31.07 |
+36:20:02.5 |
HIP 40400 |
8.71 |
| 2026-02-13 00:00 |
08:14:17.57 |
+36:20:03.2 |
HIP 40400 |
10.32 |
| 2026-02-13 12:00 |
08:14:04.15 |
+36:20:02.9 |
HIP 40400 |
12.32 |
| 2026-02-14 00:00 |
08:13:50.84 |
+36:20:01.6 |
HIP 40400 |
14.53 |
| 2026-02-14 12:00 |
08:13:37.62 |
+36:19:59.3 |
HIP 40400 |
16.88 |
| 2026-02-15 00:00 |
08:13:24.51 |
+36:19:56.0 |
HIP 40400 |
19.29 |
| 2026-02-15 12:00 |
08:13:11.50 |
+36:19:51.7 |
HIP 40400 |
21.74 |
| 2026-02-16 00:00 |
08:12:58.59 |
+36:19:46.4 |
HIP 40400 |
24.21 |
| 2026-02-16 12:00 |
08:12:45.79 |
+36:19:40.1 |
HIP 40400 |
26.69 |
| 2026-02-17 00:00 |
08:12:33.10 |
+36:19:32.8 |
HIP 40039 |
28.59 |
| 2026-02-17 12:00 |
08:12:20.53 |
+36:19:24.5 |
HIP 40039 |
26.81 |
| 2026-02-18 00:00 |
08:12:08.07 |
+36:19:15.3 |
HIP 40039 |
25.18 |
| 2026-02-18 12:00 |
08:11:55.72 |
+36:19:05.1 |
HIP 40039 |
23.73 |
| 2026-02-19 00:00 |
08:11:43.49 |
+36:18:53.9 |
HIP 40039 |
22.48 |
| 2026-02-19 12:00 |
08:11:31.39 |
+36:18:41.7 |
HIP 40039 |
21.48 |
| 2026-02-20 00:00 |
08:11:19.40 |
+36:18:28.6 |
HIP 40039 |
20.74 |
| 2026-02-20 12:00 |
08:11:07.54 |
+36:18:14.4 |
HIP 40039 |
20.29 |
| 2026-02-21 00:00 |
08:10:55.81 |
+36:17:59.4 |
HIP 40039 |
20.13 |
| 2026-02-21 12:00 |
08:10:44.20 |
+36:17:43.3 |
HIP 40039 |
20.26 |
| 2026-02-22 00:00 |
08:10:32.72 |
+36:17:26.3 |
HIP 40039 |
20.68 |
| 2026-02-22 12:00 |
08:10:21.37 |
+36:17:08.4 |
HIP 40039 |
21.35 |
| 2026-02-23 00:00 |
08:10:10.16 |
+36:16:49.5 |
HIP 40039 |
22.25 |
| 2026-02-23 12:00 |
08:09:59.08 |
+36:16:29.7 |
HIP 40039 |
23.34 |
| 2026-02-24 00:00 |
08:09:48.14 |
+36:16:08.9 |
HIP 39784 |
24.18 |