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) |
| 2026-06-01 00:00 |
06:17:37.07 |
+25:40:20.8 |
HIP 29833 |
14.21 |
| 2026-06-01 12:00 |
06:18:08.49 |
+25:40:06.3 |
HIP 29967 |
14.43 |
| 2026-06-02 00:00 |
06:18:39.97 |
+25:39:51.4 |
HIP 29967 |
14.04 |
| 2026-06-02 12:00 |
06:19:11.50 |
+25:39:36.2 |
HIP 29967 |
16.94 |
| 2026-06-03 00:00 |
06:19:43.09 |
+25:39:20.7 |
HIP 30142 |
12.11 |
| 2026-06-03 12:00 |
06:20:14.73 |
+25:39:04.8 |
HIP 30142 |
5.31 |
| 2026-06-04 00:00 |
06:20:46.42 |
+25:38:48.5 |
HIP 30142 |
3.41 |
| 2026-06-04 12:00 |
06:21:18.16 |
+25:38:31.9 |
HIP 30142 |
9.87 |
| 2026-06-05 00:00 |
06:21:49.95 |
+25:38:15.0 |
HIP 30142 |
16.92 |
| 2026-06-05 12:00 |
06:22:21.80 |
+25:37:57.7 |
HIP 30346 |
23.52 |
| 2026-06-06 00:00 |
06:22:53.69 |
+25:37:40.0 |
HIP 30452 |
20.27 |
| 2026-06-06 12:00 |
06:23:25.64 |
+25:37:21.9 |
HIP 30452 |
15.06 |
| 2026-06-07 00:00 |
06:23:57.63 |
+25:37:03.6 |
HIP 30452 |
12.12 |
| 2026-06-07 12:00 |
06:24:29.67 |
+25:36:44.8 |
HIP 30452 |
13.09 |
| 2026-06-08 00:00 |
06:25:01.76 |
+25:36:25.7 |
HIP 30622 |
15.78 |
| 2026-06-08 12:00 |
06:25:33.90 |
+25:36:06.2 |
HIP 30622 |
9.21 |
| 2026-06-09 00:00 |
06:26:06.08 |
+25:35:46.3 |
HIP 30622 |
5.10 |
| 2026-06-09 12:00 |
06:26:38.31 |
+25:35:26.1 |
HIP 30622 |
8.53 |
| 2026-06-10 00:00 |
06:27:10.58 |
+25:35:05.5 |
HIP 30622 |
15.03 |
| 2026-06-10 12:00 |
06:27:42.90 |
+25:34:44.5 |
HIP 30857 |
14.23 |
| 2026-06-11 00:00 |
06:28:15.26 |
+25:34:23.2 |
HIP 30857 |
7.30 |
| 2026-06-11 12:00 |
06:28:47.66 |
+25:34:01.5 |
HIP 30857 |
3.28 |
| 2026-06-12 00:00 |
06:29:20.11 |
+25:33:39.4 |
HIP 30857 |
8.69 |
| 2026-06-12 12:00 |
06:29:52.59 |
+25:33:16.9 |
HIP 30857 |
15.74 |
| 2026-06-13 00:00 |
06:30:25.12 |
+25:32:54.1 |
HIP 30917 |
20.13 |
| 2026-06-13 12:00 |
06:30:57.69 |
+25:32:30.8 |
HIP 31031 |
20.92 |
| 2026-06-14 00:00 |
06:31:30.29 |
+25:32:07.2 |
HIP 31031 |
23.79 |
| 2026-06-14 12:00 |
06:32:02.94 |
+25:31:43.3 |
HIP 31031 |
28.34 |
| 2026-06-15 00:00 |
06:32:35.62 |
+25:31:18.9 |
HIP 31031 |
33.90 |
| 2026-06-15 12:00 |
06:33:08.33 |
+25:30:54.1 |
HIP 31114 |
37.23 |
| 2026-06-16 00:00 |
06:33:41.09 |
+25:30:29.0 |
HIP 31412 |
39.63 |
| 2026-06-16 12:00 |
06:34:13.88 |
+25:30:03.5 |
HIP 31412 |
36.42 |
| 2026-06-17 00:00 |
06:34:46.70 |
+25:29:37.6 |
HIP 31412 |
34.53 |
| 2026-06-17 12:00 |
06:35:19.55 |
+25:29:11.3 |
HIP 31412 |
34.18 |
| 2026-06-18 00:00 |
06:35:52.44 |
+25:28:44.7 |
HIP 31412 |
35.43 |
| 2026-06-18 12:00 |
06:36:25.36 |
+25:28:17.6 |
HIP 31797 |
35.61 |
| 2026-06-19 00:00 |
06:36:58.31 |
+25:27:50.2 |
HIP 31797 |
28.96 |
| 2026-06-19 12:00 |
06:37:31.29 |
+25:27:22.4 |
HIP 31797 |
22.82 |
| 2026-06-20 00:00 |
06:38:04.29 |
+25:26:54.2 |
HIP 31797 |
17.71 |
| 2026-06-20 12:00 |
06:38:37.33 |
+25:26:25.6 |
HIP 31797 |
14.76 |
| 2026-06-21 00:00 |
06:39:10.39 |
+25:25:56.7 |
HIP 31797 |
15.29 |
| 2026-06-21 12:00 |
06:39:43.49 |
+25:25:27.3 |
HIP 31982 |
18.30 |
| 2026-06-22 00:00 |
06:40:16.60 |
+25:24:57.6 |
HIP 31982 |
11.25 |