メタデータ
| 項目 |
値 |
| Designation |
C/2014 W10 (PANSTARRS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2016-02-17T17:05:45.709440Z |
| Orbit solution date (soln_date, UTC) |
2022-07-16T01:42:20Z |
| Obs used |
28 |
| NEO |
- |
| M1 |
7.100 |
| K1 |
10.500 |
| PC |
- |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2014-09-22.0000000 |
| e |
1.00362111 |
| q (au) |
7.656557 |
| a (au) |
-2114.420080 |
| i (deg) |
83.309348 |
| Ω (om, deg) |
43.245415 |
| ω (w, deg) |
42.337209 |
| M (ma, deg) |
-0.005208 |
等級
散乱 + 全体線形
$$
M_a = (1.984 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
1.984 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.998 |
| k |
1.000 |
| δ90 |
9.999 |
| 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 |
14:57:21.51 |
+13:23:01.6 |
HIP 73141 |
9.53 |
| 2026-09-20 12:00 |
14:57:24.75 |
+13:22:05.8 |
HIP 73141 |
9.74 |
| 2026-09-21 00:00 |
14:57:28.02 |
+13:21:10.1 |
HIP 73141 |
10.10 |
| 2026-09-21 12:00 |
14:57:31.33 |
+13:20:14.5 |
HIP 73141 |
10.59 |
| 2026-09-22 00:00 |
14:57:34.66 |
+13:19:19.1 |
HIP 73141 |
11.21 |
| 2026-09-22 12:00 |
14:57:38.02 |
+13:18:23.7 |
HIP 73141 |
11.93 |
| 2026-09-23 00:00 |
14:57:41.41 |
+13:17:28.6 |
HIP 73141 |
12.74 |
| 2026-09-23 12:00 |
14:57:44.83 |
+13:16:33.5 |
HIP 73141 |
13.62 |
| 2026-09-24 00:00 |
14:57:48.28 |
+13:15:38.6 |
HIP 73141 |
14.55 |
| 2026-09-24 12:00 |
14:57:51.76 |
+13:14:43.9 |
HIP 73141 |
15.54 |
| 2026-09-25 00:00 |
14:57:55.27 |
+13:13:49.2 |
HIP 73141 |
16.57 |
| 2026-09-25 12:00 |
14:57:58.80 |
+13:12:54.8 |
HIP 73272 |
16.80 |
| 2026-09-26 00:00 |
14:58:02.37 |
+13:12:00.4 |
HIP 73272 |
15.60 |
| 2026-09-26 12:00 |
14:58:05.96 |
+13:11:06.3 |
HIP 73272 |
14.40 |
| 2026-09-27 00:00 |
14:58:09.58 |
+13:10:12.3 |
HIP 73272 |
13.21 |
| 2026-09-27 12:00 |
14:58:13.23 |
+13:09:18.4 |
HIP 73272 |
12.03 |
| 2026-09-28 00:00 |
14:58:16.91 |
+13:08:24.7 |
HIP 73272 |
10.88 |
| 2026-09-28 12:00 |
14:58:20.61 |
+13:07:31.2 |
HIP 73272 |
9.75 |
| 2026-09-29 00:00 |
14:58:24.34 |
+13:06:37.8 |
HIP 73272 |
8.67 |
| 2026-09-29 12:00 |
14:58:28.10 |
+13:05:44.6 |
HIP 73272 |
7.64 |
| 2026-09-30 00:00 |
14:58:31.88 |
+13:04:51.5 |
HIP 73272 |
6.71 |
| 2026-09-30 12:00 |
14:58:35.69 |
+13:03:58.6 |
HIP 73272 |
5.90 |
| 2026-10-01 00:00 |
14:58:39.52 |
+13:03:05.9 |
HIP 73272 |
5.30 |
| 2026-10-01 12:00 |
14:58:43.38 |
+13:02:13.4 |
HIP 73272 |
4.96 |
| 2026-10-02 00:00 |
14:58:47.27 |
+13:01:21.0 |
HIP 73272 |
4.95 |
| 2026-10-02 12:00 |
14:58:51.18 |
+13:00:28.8 |
HIP 73272 |
5.27 |
| 2026-10-03 00:00 |
14:58:55.11 |
+12:59:36.8 |
HIP 73272 |
5.87 |
| 2026-10-03 12:00 |
14:58:59.07 |
+12:58:45.0 |
HIP 73272 |
6.68 |
| 2026-10-04 00:00 |
14:59:03.06 |
+12:57:53.4 |
HIP 73272 |
7.63 |
| 2026-10-04 12:00 |
14:59:07.07 |
+12:57:02.0 |
HIP 73272 |
8.67 |
| 2026-10-05 00:00 |
14:59:11.10 |
+12:56:10.7 |
HIP 73272 |
9.79 |
| 2026-10-05 12:00 |
14:59:15.16 |
+12:55:19.6 |
HIP 73272 |
10.94 |
| 2026-10-06 00:00 |
14:59:19.24 |
+12:54:28.8 |
HIP 73272 |
12.14 |
| 2026-10-06 12:00 |
14:59:23.34 |
+12:53:38.1 |
HIP 73272 |
13.35 |
| 2026-10-07 00:00 |
14:59:27.46 |
+12:52:47.6 |
HIP 73272 |
14.59 |
| 2026-10-07 12:00 |
14:59:31.61 |
+12:51:57.4 |
HIP 73272 |
15.85 |
| 2026-10-08 00:00 |
14:59:35.78 |
+12:51:07.3 |
HIP 73272 |
17.11 |
| 2026-10-08 12:00 |
14:59:39.97 |
+12:50:17.5 |
HIP 73272 |
18.39 |
| 2026-10-09 00:00 |
14:59:44.19 |
+12:49:27.8 |
HIP 73272 |
19.67 |
| 2026-10-09 12:00 |
14:59:48.42 |
+12:48:38.4 |
HIP 73272 |
20.96 |
| 2026-10-10 00:00 |
14:59:52.68 |
+12:47:49.2 |
HIP 73437 |
20.73 |
| 2026-10-10 12:00 |
14:59:56.95 |
+12:47:00.2 |
HIP 73437 |
19.60 |
| 2026-10-11 00:00 |
15:00:01.25 |
+12:46:11.4 |
HIP 73437 |
18.49 |