P/2010 C1 (Scotti)
メタデータ
| 項目 |
値 |
| Designation |
P/2010 C1 (Scotti) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2009-12-01T14:41:54.634560Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:40Z |
| Obs used |
95 |
| NEO |
- |
| M1 |
7.300 |
| K1 |
13.750 |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2010-03-09.0000000 |
| e |
0.25910909 |
| q (au) |
5.234904 |
| a (au) |
7.065687 |
| i (deg) |
9.142474 |
| Ω (om, deg) |
142.034162 |
| ω (w, deg) |
3.665920 |
| M (ma, deg) |
5.110648 |
等級
散乱 + 全体線形
$$
M_a = (6.341 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
6.341 |
| n |
6.000 |
| gf |
0.808 |
| gb |
-0.905 |
| k |
0.999 |
| δ90 |
5.056 |
| 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 |
03:51:16.97 |
+10:39:59.1 |
HIP 18063 |
11.87 |
| 2026-02-03 12:00 |
03:51:18.96 |
+10:40:55.4 |
HIP 18063 |
10.82 |
| 2026-02-04 00:00 |
03:51:21.11 |
+10:41:52.2 |
HIP 18063 |
9.73 |
| 2026-02-04 12:00 |
03:51:23.42 |
+10:42:49.6 |
HIP 18063 |
8.63 |
| 2026-02-05 00:00 |
03:51:25.89 |
+10:43:47.4 |
HIP 18063 |
7.50 |
| 2026-02-05 12:00 |
03:51:28.53 |
+10:44:45.7 |
HIP 18063 |
6.34 |
| 2026-02-06 00:00 |
03:51:31.32 |
+10:45:44.6 |
HIP 18063 |
5.18 |
| 2026-02-06 12:00 |
03:51:34.28 |
+10:46:43.9 |
HIP 18063 |
4.02 |
| 2026-02-07 00:00 |
03:51:37.39 |
+10:47:43.6 |
HIP 18063 |
2.89 |
| 2026-02-07 12:00 |
03:51:40.67 |
+10:48:43.9 |
HIP 18063 |
1.94 |
| 2026-02-08 00:00 |
03:51:44.10 |
+10:49:44.6 |
HIP 18063 |
1.61 |
| 2026-02-08 12:00 |
03:51:47.70 |
+10:50:45.8 |
HIP 18063 |
2.24 |
| 2026-02-09 00:00 |
03:51:51.46 |
+10:51:47.5 |
HIP 18063 |
3.38 |
| 2026-02-09 12:00 |
03:51:55.37 |
+10:52:49.6 |
HIP 18063 |
4.68 |
| 2026-02-10 00:00 |
03:51:59.45 |
+10:53:52.2 |
HIP 18063 |
6.07 |
| 2026-02-10 12:00 |
03:52:03.68 |
+10:54:55.2 |
HIP 18063 |
7.52 |
| 2026-02-11 00:00 |
03:52:08.07 |
+10:55:58.7 |
HIP 18063 |
9.01 |
| 2026-02-11 12:00 |
03:52:12.62 |
+10:57:02.5 |
HIP 18063 |
10.55 |
| 2026-02-12 00:00 |
03:52:17.33 |
+10:58:06.9 |
HIP 18063 |
12.12 |
| 2026-02-12 12:00 |
03:52:22.20 |
+10:59:11.6 |
HIP 18063 |
13.72 |
| 2026-02-13 00:00 |
03:52:27.22 |
+11:00:16.8 |
HIP 18063 |
15.37 |
| 2026-02-13 12:00 |
03:52:32.41 |
+11:01:22.4 |
HIP 18063 |
17.04 |
| 2026-02-14 00:00 |
03:52:37.75 |
+11:02:28.4 |
HIP 18063 |
18.75 |
| 2026-02-14 12:00 |
03:52:43.24 |
+11:03:34.8 |
HIP 18063 |
20.50 |
| 2026-02-15 00:00 |
03:52:48.90 |
+11:04:41.6 |
HIP 18063 |
22.28 |
| 2026-02-15 12:00 |
03:52:54.70 |
+11:05:48.8 |
HIP 18063 |
24.09 |
| 2026-02-16 00:00 |
03:53:00.67 |
+11:06:56.4 |
HIP 18063 |
25.93 |
| 2026-02-16 12:00 |
03:53:06.79 |
+11:08:04.4 |
HIP 18063 |
27.81 |
| 2026-02-17 00:00 |
03:53:13.06 |
+11:09:12.7 |
HIP 18063 |
29.73 |
| 2026-02-17 12:00 |
03:53:19.49 |
+11:10:21.5 |
HIP 18335 |
28.76 |
| 2026-02-18 00:00 |
03:53:26.07 |
+11:11:30.6 |
HIP 18335 |
26.90 |
| 2026-02-18 12:00 |
03:53:32.81 |
+11:12:40.0 |
HIP 18335 |
25.02 |
| 2026-02-19 00:00 |
03:53:39.70 |
+11:13:49.8 |
HIP 18335 |
23.13 |
| 2026-02-19 12:00 |
03:53:46.74 |
+11:15:00.0 |
HIP 18335 |
21.22 |
| 2026-02-20 00:00 |
03:53:53.93 |
+11:16:10.5 |
HIP 18335 |
19.32 |
| 2026-02-20 12:00 |
03:54:01.28 |
+11:17:21.3 |
HIP 18335 |
17.43 |
| 2026-02-21 00:00 |
03:54:08.77 |
+11:18:32.5 |
HIP 18335 |
15.57 |
| 2026-02-21 12:00 |
03:54:16.42 |
+11:19:44.0 |
HIP 18335 |
13.77 |
| 2026-02-22 00:00 |
03:54:24.21 |
+11:20:55.8 |
HIP 18335 |
12.08 |
| 2026-02-22 12:00 |
03:54:32.16 |
+11:22:08.0 |
HIP 18335 |
10.56 |
| 2026-02-23 00:00 |
03:54:40.25 |
+11:23:20.4 |
HIP 18335 |
9.34 |
| 2026-02-23 12:00 |
03:54:48.49 |
+11:24:33.1 |
HIP 18335 |
8.57 |
| 2026-02-24 00:00 |
03:54:56.88 |
+11:25:46.2 |
HIP 18335 |
8.40 |