メタデータ
| 項目 |
値 |
| Designation |
P/2014 C1 (TOTAS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2013-12-22T14:38:36.977280Z |
| Orbit solution date (soln_date, UTC) |
2024-04-15T15:43:28Z |
| Obs used |
56 |
| NEO |
- |
| M1 |
11.500 |
| K1 |
26.250 |
| PC |
- |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2014-02-20.0000000 |
| e |
0.48238458 |
| q (au) |
1.707632 |
| a (au) |
3.299036 |
| i (deg) |
2.693313 |
| Ω (om, deg) |
168.484412 |
| ω (w, deg) |
25.769502 |
| M (ma, deg) |
9.768677 |
等級
散乱 + 全体線形
$$
M_a = (13.524 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
13.524 |
| n |
6.000 |
| gf |
0.990 |
| gb |
-0.502 |
| k |
1.000 |
| δ90 |
9.998 |
| 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 |
08:16:17.44 |
+22:31:16.5 |
HIP 40571 |
17.28 |
| 2026-09-20 12:00 |
08:16:44.55 |
+22:30:06.7 |
HIP 40571 |
15.96 |
| 2026-09-21 00:00 |
08:17:11.56 |
+22:28:57.1 |
HIP 40571 |
17.08 |
| 2026-09-21 12:00 |
08:17:38.46 |
+22:27:47.6 |
HIP 40696 |
18.28 |
| 2026-09-22 00:00 |
08:18:05.26 |
+22:26:38.3 |
HIP 40696 |
14.26 |
| 2026-09-22 12:00 |
08:18:31.95 |
+22:25:29.2 |
HIP 40696 |
12.33 |
| 2026-09-23 00:00 |
08:18:58.54 |
+22:24:20.3 |
HIP 40696 |
13.39 |
| 2026-09-23 12:00 |
08:19:25.02 |
+22:23:11.6 |
HIP 40696 |
16.86 |
| 2026-09-24 00:00 |
08:19:51.40 |
+22:22:03.0 |
HIP 40696 |
21.59 |
| 2026-09-24 12:00 |
08:20:17.67 |
+22:20:54.7 |
HIP 40920 |
21.93 |
| 2026-09-25 00:00 |
08:20:43.83 |
+22:19:46.6 |
HIP 40920 |
18.53 |
| 2026-09-25 12:00 |
08:21:09.88 |
+22:18:38.6 |
HIP 40920 |
16.78 |
| 2026-09-26 00:00 |
08:21:35.82 |
+22:17:30.9 |
HIP 40920 |
17.17 |
| 2026-09-26 12:00 |
08:22:01.65 |
+22:16:23.4 |
HIP 40920 |
19.55 |
| 2026-09-27 00:00 |
08:22:27.36 |
+22:15:16.2 |
HIP 40920 |
23.30 |
| 2026-09-27 12:00 |
08:22:52.97 |
+22:14:09.2 |
HIP 41130 |
24.75 |
| 2026-09-28 00:00 |
08:23:18.46 |
+22:13:02.4 |
HIP 41130 |
22.23 |
| 2026-09-28 12:00 |
08:23:43.83 |
+22:11:55.9 |
HIP 41130 |
21.15 |
| 2026-09-29 00:00 |
08:24:09.09 |
+22:10:49.7 |
HIP 41130 |
21.73 |
| 2026-09-29 12:00 |
08:24:34.24 |
+22:09:43.7 |
HIP 41291 |
23.07 |
| 2026-09-30 00:00 |
08:24:59.26 |
+22:08:38.0 |
HIP 41291 |
21.53 |
| 2026-09-30 12:00 |
08:25:24.17 |
+22:07:32.5 |
HIP 41291 |
21.55 |
| 2026-10-01 00:00 |
08:25:48.95 |
+22:06:27.4 |
HIP 41431 |
18.97 |
| 2026-10-01 12:00 |
08:26:13.62 |
+22:05:22.5 |
HIP 41431 |
13.55 |
| 2026-10-02 00:00 |
08:26:38.16 |
+22:04:18.0 |
HIP 41431 |
8.68 |
| 2026-10-02 12:00 |
08:27:02.58 |
+22:03:13.7 |
HIP 41431 |
5.83 |
| 2026-10-03 00:00 |
08:27:26.88 |
+22:02:09.8 |
HIP 41431 |
7.67 |
| 2026-10-03 12:00 |
08:27:51.05 |
+22:01:06.2 |
HIP 41513 |
5.29 |
| 2026-10-04 00:00 |
08:28:15.09 |
+22:00:03.0 |
HIP 41513 |
7.23 |
| 2026-10-04 12:00 |
08:28:39.00 |
+21:59:00.0 |
HIP 41513 |
11.85 |
| 2026-10-05 00:00 |
08:29:02.79 |
+21:57:57.5 |
HIP 41513 |
17.06 |
| 2026-10-05 12:00 |
08:29:26.44 |
+21:56:55.3 |
HIP 41513 |
22.44 |
| 2026-10-06 00:00 |
08:29:49.96 |
+21:55:53.4 |
HIP 41801 |
22.39 |
| 2026-10-06 12:00 |
08:30:13.35 |
+21:54:52.0 |
HIP 41801 |
17.75 |
| 2026-10-07 00:00 |
08:30:36.61 |
+21:53:50.9 |
HIP 41801 |
13.81 |
| 2026-10-07 12:00 |
08:30:59.72 |
+21:52:50.2 |
HIP 41801 |
11.24 |
| 2026-10-08 00:00 |
08:31:22.71 |
+21:51:49.9 |
HIP 41801 |
11.03 |
| 2026-10-08 12:00 |
08:31:45.55 |
+21:50:50.1 |
HIP 41801 |
13.23 |
| 2026-10-09 00:00 |
08:32:08.25 |
+21:49:50.6 |
HIP 41801 |
16.90 |
| 2026-10-09 12:00 |
08:32:30.82 |
+21:48:51.6 |
HIP 41801 |
21.27 |
| 2026-10-10 00:00 |
08:32:53.24 |
+21:47:53.0 |
HIP 41801 |
25.97 |
| 2026-10-10 12:00 |
08:33:15.52 |
+21:46:54.8 |
HIP 42083 |
26.04 |
| 2026-10-11 00:00 |
08:33:37.65 |
+21:45:57.1 |
HIP 42083 |
21.73 |