C/2014 W10 (PANSTARRS)
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 |
0.991 |
| gb |
-0.653 |
| k |
1.000 |
| δ90 |
9.997 |
| 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 |
15:17:27.46 |
+14:50:31.8 |
HIP 74957 |
30.00 |
| 2026-02-03 12:00 |
15:17:28.00 |
+14:51:00.3 |
HIP 74957 |
29.60 |
| 2026-02-04 00:00 |
15:17:28.48 |
+14:51:29.0 |
HIP 74957 |
29.20 |
| 2026-02-04 12:00 |
15:17:28.92 |
+14:51:58.0 |
HIP 74957 |
28.81 |
| 2026-02-05 00:00 |
15:17:29.31 |
+14:52:27.1 |
HIP 74957 |
28.44 |
| 2026-02-05 12:00 |
15:17:29.65 |
+14:52:56.5 |
HIP 74957 |
28.07 |
| 2026-02-06 00:00 |
15:17:29.93 |
+14:53:26.1 |
HIP 74957 |
27.72 |
| 2026-02-06 12:00 |
15:17:30.17 |
+14:53:55.9 |
HIP 74957 |
27.38 |
| 2026-02-07 00:00 |
15:17:30.36 |
+14:54:25.9 |
HIP 74957 |
27.05 |
| 2026-02-07 12:00 |
15:17:30.50 |
+14:54:56.1 |
HIP 74957 |
26.73 |
| 2026-02-08 00:00 |
15:17:30.60 |
+14:55:26.5 |
HIP 74957 |
26.43 |
| 2026-02-08 12:00 |
15:17:30.64 |
+14:55:57.2 |
HIP 74957 |
26.14 |
| 2026-02-09 00:00 |
15:17:30.63 |
+14:56:28.0 |
HIP 74957 |
25.87 |
| 2026-02-09 12:00 |
15:17:30.57 |
+14:56:59.0 |
HIP 74957 |
25.61 |
| 2026-02-10 00:00 |
15:17:30.46 |
+14:57:30.2 |
HIP 74957 |
25.38 |
| 2026-02-10 12:00 |
15:17:30.30 |
+14:58:01.6 |
HIP 74957 |
25.15 |
| 2026-02-11 00:00 |
15:17:30.09 |
+14:58:33.2 |
HIP 74957 |
24.95 |
| 2026-02-11 12:00 |
15:17:29.83 |
+14:59:04.9 |
HIP 74957 |
24.77 |
| 2026-02-12 00:00 |
15:17:29.52 |
+14:59:36.9 |
HIP 74957 |
24.60 |
| 2026-02-12 12:00 |
15:17:29.16 |
+15:00:09.0 |
HIP 74957 |
24.46 |
| 2026-02-13 00:00 |
15:17:28.75 |
+15:00:41.2 |
HIP 74957 |
24.34 |
| 2026-02-13 12:00 |
15:17:28.29 |
+15:01:13.7 |
HIP 74957 |
24.24 |
| 2026-02-14 00:00 |
15:17:27.78 |
+15:01:46.3 |
HIP 74957 |
24.16 |
| 2026-02-14 12:00 |
15:17:27.22 |
+15:02:19.0 |
HIP 74957 |
24.11 |
| 2026-02-15 00:00 |
15:17:26.61 |
+15:02:51.9 |
HIP 74957 |
24.08 |
| 2026-02-15 12:00 |
15:17:25.95 |
+15:03:25.0 |
HIP 74957 |
24.07 |
| 2026-02-16 00:00 |
15:17:25.23 |
+15:03:58.2 |
HIP 74957 |
24.09 |
| 2026-02-16 12:00 |
15:17:24.47 |
+15:04:31.6 |
HIP 74957 |
24.14 |
| 2026-02-17 00:00 |
15:17:23.66 |
+15:05:05.1 |
HIP 74957 |
24.21 |
| 2026-02-17 12:00 |
15:17:22.79 |
+15:05:38.7 |
HIP 74957 |
24.30 |
| 2026-02-18 00:00 |
15:17:21.88 |
+15:06:12.4 |
HIP 74957 |
24.42 |
| 2026-02-18 12:00 |
15:17:20.91 |
+15:06:46.3 |
HIP 74957 |
24.57 |
| 2026-02-19 00:00 |
15:17:19.89 |
+15:07:20.3 |
HIP 74957 |
24.75 |
| 2026-02-19 12:00 |
15:17:18.83 |
+15:07:54.4 |
HIP 74957 |
24.95 |
| 2026-02-20 00:00 |
15:17:17.71 |
+15:08:28.7 |
HIP 74957 |
25.17 |
| 2026-02-20 12:00 |
15:17:16.55 |
+15:09:03.0 |
HIP 74957 |
25.42 |
| 2026-02-21 00:00 |
15:17:15.33 |
+15:09:37.5 |
HIP 74957 |
25.70 |
| 2026-02-21 12:00 |
15:17:14.06 |
+15:10:12.0 |
HIP 74957 |
26.00 |
| 2026-02-22 00:00 |
15:17:12.74 |
+15:10:46.6 |
HIP 74957 |
26.33 |
| 2026-02-22 12:00 |
15:17:11.38 |
+15:11:21.4 |
HIP 74713 |
26.02 |
| 2026-02-23 00:00 |
15:17:09.96 |
+15:11:56.2 |
HIP 74713 |
25.35 |
| 2026-02-23 12:00 |
15:17:08.49 |
+15:12:31.1 |
HIP 74713 |
24.67 |
| 2026-02-24 00:00 |
15:17:06.98 |
+15:13:06.1 |
HIP 74713 |
23.99 |