メタデータ
| 項目 |
値 |
| Designation |
C/2010 G3 (WISE) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2010-04-11T02:03:46.451520Z |
| Orbit solution date (soln_date, UTC) |
2022-07-06T03:12:22Z |
| Obs used |
271 |
| NEO |
- |
| M1 |
5.100 |
| K1 |
14.500 |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2010-07-15.0000000 |
| e |
0.99809183 |
| q (au) |
4.907655 |
| a (au) |
2571.923503 |
| i (deg) |
108.267609 |
| Ω (om, deg) |
313.718341 |
| ω (w, deg) |
75.199953 |
| M (ma, deg) |
0.000717 |
等級
散乱 + 全体線形
$$
M_a = (7.154 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
7.154 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.708 |
| k |
0.800 |
| δ90 |
10.000 |
| 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 |
08:04:54.72 |
-07:33:18.1 |
HIP 39654 |
23.06 |
| 2026-09-20 12:00 |
08:04:56.35 |
-07:33:49.4 |
HIP 39654 |
22.44 |
| 2026-09-21 00:00 |
08:04:57.96 |
-07:34:20.7 |
HIP 39654 |
21.83 |
| 2026-09-21 12:00 |
08:04:59.54 |
-07:34:52.1 |
HIP 39654 |
21.23 |
| 2026-09-22 00:00 |
08:05:01.09 |
-07:35:23.5 |
HIP 39654 |
20.64 |
| 2026-09-22 12:00 |
08:05:02.62 |
-07:35:54.9 |
HIP 39654 |
20.05 |
| 2026-09-23 00:00 |
08:05:04.12 |
-07:36:26.4 |
HIP 39654 |
19.48 |
| 2026-09-23 12:00 |
08:05:05.60 |
-07:36:58.0 |
HIP 39654 |
18.91 |
| 2026-09-24 00:00 |
08:05:07.05 |
-07:37:29.6 |
HIP 39654 |
18.36 |
| 2026-09-24 12:00 |
08:05:08.47 |
-07:38:01.2 |
HIP 39654 |
17.81 |
| 2026-09-25 00:00 |
08:05:09.87 |
-07:38:32.8 |
HIP 39654 |
17.28 |
| 2026-09-25 12:00 |
08:05:11.24 |
-07:39:04.5 |
HIP 39654 |
16.76 |
| 2026-09-26 00:00 |
08:05:12.58 |
-07:39:36.3 |
HIP 39654 |
16.26 |
| 2026-09-26 12:00 |
08:05:13.89 |
-07:40:08.0 |
HIP 39654 |
15.77 |
| 2026-09-27 00:00 |
08:05:15.18 |
-07:40:39.8 |
HIP 39654 |
15.29 |
| 2026-09-27 12:00 |
08:05:16.45 |
-07:41:11.6 |
HIP 39654 |
14.83 |
| 2026-09-28 00:00 |
08:05:17.68 |
-07:41:43.4 |
HIP 39654 |
14.39 |
| 2026-09-28 12:00 |
08:05:18.89 |
-07:42:15.3 |
HIP 39654 |
13.97 |
| 2026-09-29 00:00 |
08:05:20.07 |
-07:42:47.2 |
HIP 39654 |
13.57 |
| 2026-09-29 12:00 |
08:05:21.22 |
-07:43:19.1 |
HIP 39654 |
13.20 |
| 2026-09-30 00:00 |
08:05:22.34 |
-07:43:51.0 |
HIP 39654 |
12.85 |
| 2026-09-30 12:00 |
08:05:23.44 |
-07:44:22.9 |
HIP 39654 |
12.52 |
| 2026-10-01 00:00 |
08:05:24.51 |
-07:44:54.8 |
HIP 39654 |
12.22 |
| 2026-10-01 12:00 |
08:05:25.55 |
-07:45:26.8 |
HIP 39654 |
11.95 |
| 2026-10-02 00:00 |
08:05:26.56 |
-07:45:58.8 |
HIP 39654 |
11.71 |
| 2026-10-02 12:00 |
08:05:27.55 |
-07:46:30.7 |
HIP 39654 |
11.50 |
| 2026-10-03 00:00 |
08:05:28.50 |
-07:47:02.7 |
HIP 39654 |
11.33 |
| 2026-10-03 12:00 |
08:05:29.43 |
-07:47:34.7 |
HIP 39654 |
11.19 |
| 2026-10-04 00:00 |
08:05:30.33 |
-07:48:06.7 |
HIP 39654 |
11.09 |
| 2026-10-04 12:00 |
08:05:31.19 |
-07:48:38.7 |
HIP 39654 |
11.02 |
| 2026-10-05 00:00 |
08:05:32.03 |
-07:49:10.7 |
HIP 39654 |
10.99 |
| 2026-10-05 12:00 |
08:05:32.85 |
-07:49:42.7 |
HIP 39654 |
11.00 |
| 2026-10-06 00:00 |
08:05:33.63 |
-07:50:14.7 |
HIP 39654 |
11.04 |
| 2026-10-06 12:00 |
08:05:34.38 |
-07:50:46.7 |
HIP 39654 |
11.11 |
| 2026-10-07 00:00 |
08:05:35.10 |
-07:51:18.7 |
HIP 39654 |
11.23 |
| 2026-10-07 12:00 |
08:05:35.79 |
-07:51:50.6 |
HIP 39654 |
11.37 |
| 2026-10-08 00:00 |
08:05:36.46 |
-07:52:22.6 |
HIP 39654 |
11.54 |
| 2026-10-08 12:00 |
08:05:37.09 |
-07:52:54.5 |
HIP 39654 |
11.75 |
| 2026-10-09 00:00 |
08:05:37.69 |
-07:53:26.4 |
HIP 39654 |
11.98 |
| 2026-10-09 12:00 |
08:05:38.27 |
-07:53:58.3 |
HIP 39654 |
12.24 |
| 2026-10-10 00:00 |
08:05:38.81 |
-07:54:30.2 |
HIP 39654 |
12.52 |
| 2026-10-10 12:00 |
08:05:39.32 |
-07:55:02.0 |
HIP 39654 |
12.82 |
| 2026-10-11 00:00 |
08:05:39.81 |
-07:55:33.9 |
HIP 39654 |
13.15 |