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) |
| 2026-06-01 00:00 |
15:01:56.20 |
+16:14:06.2 |
HIP 73482 |
13.76 |
| 2026-06-01 12:00 |
15:01:50.82 |
+16:13:51.2 |
HIP 73482 |
12.46 |
| 2026-06-02 00:00 |
15:01:45.46 |
+16:13:35.7 |
HIP 73482 |
11.17 |
| 2026-06-02 12:00 |
15:01:40.13 |
+16:13:19.9 |
HIP 73482 |
9.88 |
| 2026-06-03 00:00 |
15:01:34.82 |
+16:13:03.6 |
HIP 73482 |
8.60 |
| 2026-06-03 12:00 |
15:01:29.53 |
+16:12:46.9 |
HIP 73482 |
7.33 |
| 2026-06-04 00:00 |
15:01:24.26 |
+16:12:29.7 |
HIP 73482 |
6.08 |
| 2026-06-04 12:00 |
15:01:19.02 |
+16:12:12.2 |
HIP 73482 |
4.85 |
| 2026-06-05 00:00 |
15:01:13.80 |
+16:11:54.2 |
HIP 73482 |
3.66 |
| 2026-06-05 12:00 |
15:01:08.61 |
+16:11:35.8 |
HIP 73482 |
2.57 |
| 2026-06-06 00:00 |
15:01:03.44 |
+16:11:17.0 |
HIP 73482 |
1.76 |
| 2026-06-06 12:00 |
15:00:58.29 |
+16:10:57.8 |
HIP 73482 |
1.68 |
| 2026-06-07 00:00 |
15:00:53.17 |
+16:10:38.1 |
HIP 73482 |
2.40 |
| 2026-06-07 12:00 |
15:00:48.08 |
+16:10:18.1 |
HIP 73482 |
3.45 |
| 2026-06-08 00:00 |
15:00:43.01 |
+16:09:57.6 |
HIP 73482 |
4.60 |
| 2026-06-08 12:00 |
15:00:37.97 |
+16:09:36.7 |
HIP 73482 |
5.79 |
| 2026-06-09 00:00 |
15:00:32.95 |
+16:09:15.4 |
HIP 73482 |
7.01 |
| 2026-06-09 12:00 |
15:00:27.96 |
+16:08:53.6 |
HIP 73482 |
8.22 |
| 2026-06-10 00:00 |
15:00:23.00 |
+16:08:31.5 |
HIP 73482 |
9.44 |
| 2026-06-10 12:00 |
15:00:18.07 |
+16:08:08.9 |
HIP 73482 |
10.67 |
| 2026-06-11 00:00 |
15:00:13.16 |
+16:07:46.0 |
HIP 73482 |
11.89 |
| 2026-06-11 12:00 |
15:00:08.29 |
+16:07:22.6 |
HIP 73482 |
13.10 |
| 2026-06-12 00:00 |
15:00:03.44 |
+16:06:58.8 |
HIP 73482 |
14.32 |
| 2026-06-12 12:00 |
14:59:58.62 |
+16:06:34.6 |
HIP 73482 |
15.53 |
| 2026-06-13 00:00 |
14:59:53.84 |
+16:06:10.0 |
HIP 73482 |
16.74 |
| 2026-06-13 12:00 |
14:59:49.08 |
+16:05:45.0 |
HIP 73482 |
17.94 |
| 2026-06-14 00:00 |
14:59:44.35 |
+16:05:19.6 |
HIP 73482 |
19.14 |
| 2026-06-14 12:00 |
14:59:39.65 |
+16:04:53.8 |
HIP 73482 |
20.34 |
| 2026-06-15 00:00 |
14:59:34.99 |
+16:04:27.6 |
HIP 73482 |
21.53 |
| 2026-06-15 12:00 |
14:59:30.35 |
+16:04:01.0 |
HIP 73482 |
22.72 |
| 2026-06-16 00:00 |
14:59:25.75 |
+16:03:34.0 |
HIP 73482 |
23.90 |
| 2026-06-16 12:00 |
14:59:21.18 |
+16:03:06.6 |
HIP 73482 |
25.08 |
| 2026-06-17 00:00 |
14:59:16.64 |
+16:02:38.8 |
HIP 73325 |
26.03 |
| 2026-06-17 12:00 |
14:59:12.14 |
+16:02:10.6 |
HIP 73325 |
25.45 |
| 2026-06-18 00:00 |
14:59:07.67 |
+16:01:42.0 |
HIP 73325 |
24.90 |
| 2026-06-18 12:00 |
14:59:03.23 |
+16:01:13.0 |
HIP 73325 |
24.39 |
| 2026-06-19 00:00 |
14:58:58.82 |
+16:00:43.7 |
HIP 73325 |
23.92 |
| 2026-06-19 12:00 |
14:58:54.45 |
+16:00:13.9 |
HIP 73325 |
23.49 |
| 2026-06-20 00:00 |
14:58:50.12 |
+15:59:43.8 |
HIP 73325 |
23.10 |
| 2026-06-20 12:00 |
14:58:45.81 |
+15:59:13.3 |
HIP 73325 |
22.76 |
| 2026-06-21 00:00 |
14:58:41.55 |
+15:58:42.4 |
HIP 73325 |
22.46 |
| 2026-06-21 12:00 |
14:58:37.32 |
+15:58:11.1 |
HIP 73325 |
22.21 |
| 2026-06-22 00:00 |
14:58:33.12 |
+15:57:39.5 |
HIP 73325 |
22.01 |