C/2010 E3 (WISE)
メタデータ
| 項目 |
値 |
| Designation |
C/2010 E3 (WISE) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2010-04-05T12:06:39.401280Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:41Z |
| Obs used |
33 |
| NEO |
- |
| M1 |
13.400 |
| K1 |
14.750 |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2010-03-07.0000000 |
| e |
0.99221691 |
| q (au) |
2.269055 |
| a (au) |
291.536458 |
| i (deg) |
96.357814 |
| Ω (om, deg) |
117.272465 |
| ω (w, deg) |
50.432753 |
| M (ma, deg) |
359.994158 |
等級
散乱 + 全体線形
$$
M_a = (13.039 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
13.039 |
| n |
6.000 |
| gf |
0.902 |
| gb |
-0.830 |
| k |
0.998 |
| δ90 |
4.109 |
| 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 |
20:08:43.53 |
-40:47:07.0 |
HIP 99139 |
18.82 |
| 2026-02-03 12:00 |
20:08:48.01 |
-40:47:04.7 |
HIP 99139 |
19.43 |
| 2026-02-04 00:00 |
20:08:52.49 |
-40:47:02.5 |
HIP 99139 |
20.05 |
| 2026-02-04 12:00 |
20:08:56.95 |
-40:47:00.5 |
HIP 99139 |
20.68 |
| 2026-02-05 00:00 |
20:09:01.40 |
-40:46:58.6 |
HIP 99139 |
21.32 |
| 2026-02-05 12:00 |
20:09:05.85 |
-40:46:57.0 |
HIP 99139 |
21.98 |
| 2026-02-06 00:00 |
20:09:10.28 |
-40:46:55.5 |
HIP 99139 |
22.64 |
| 2026-02-06 12:00 |
20:09:14.70 |
-40:46:54.2 |
HIP 99139 |
23.31 |
| 2026-02-07 00:00 |
20:09:19.11 |
-40:46:53.0 |
HIP 99139 |
23.99 |
| 2026-02-07 12:00 |
20:09:23.51 |
-40:46:52.0 |
HIP 99383 |
24.24 |
| 2026-02-08 00:00 |
20:09:27.90 |
-40:46:51.2 |
HIP 99383 |
23.91 |
| 2026-02-08 12:00 |
20:09:32.27 |
-40:46:50.6 |
HIP 99383 |
23.60 |
| 2026-02-09 00:00 |
20:09:36.63 |
-40:46:50.2 |
HIP 99383 |
23.32 |
| 2026-02-09 12:00 |
20:09:40.98 |
-40:46:49.9 |
HIP 99383 |
23.06 |
| 2026-02-10 00:00 |
20:09:45.31 |
-40:46:49.8 |
HIP 99383 |
22.82 |
| 2026-02-10 12:00 |
20:09:49.63 |
-40:46:49.9 |
HIP 99383 |
22.61 |
| 2026-02-11 00:00 |
20:09:53.94 |
-40:46:50.1 |
HIP 99383 |
22.43 |
| 2026-02-11 12:00 |
20:09:58.23 |
-40:46:50.5 |
HIP 99383 |
22.27 |
| 2026-02-12 00:00 |
20:10:02.51 |
-40:46:51.1 |
HIP 99383 |
22.13 |
| 2026-02-12 12:00 |
20:10:06.78 |
-40:46:51.9 |
HIP 99383 |
22.02 |
| 2026-02-13 00:00 |
20:10:11.03 |
-40:46:52.9 |
HIP 99383 |
21.94 |
| 2026-02-13 12:00 |
20:10:15.26 |
-40:46:54.0 |
HIP 99383 |
21.89 |
| 2026-02-14 00:00 |
20:10:19.48 |
-40:46:55.3 |
HIP 99383 |
21.86 |
| 2026-02-14 12:00 |
20:10:23.68 |
-40:46:56.8 |
HIP 99383 |
21.86 |
| 2026-02-15 00:00 |
20:10:27.87 |
-40:46:58.5 |
HIP 99383 |
21.88 |
| 2026-02-15 12:00 |
20:10:32.03 |
-40:47:00.4 |
HIP 99383 |
21.92 |
| 2026-02-16 00:00 |
20:10:36.19 |
-40:47:02.4 |
HIP 99383 |
22.00 |
| 2026-02-16 12:00 |
20:10:40.32 |
-40:47:04.6 |
HIP 99383 |
22.09 |
| 2026-02-17 00:00 |
20:10:44.44 |
-40:47:07.0 |
HIP 99383 |
22.21 |
| 2026-02-17 12:00 |
20:10:48.54 |
-40:47:09.6 |
HIP 99383 |
22.35 |
| 2026-02-18 00:00 |
20:10:52.62 |
-40:47:12.3 |
HIP 99383 |
22.52 |
| 2026-02-18 12:00 |
20:10:56.68 |
-40:47:15.3 |
HIP 99383 |
22.70 |
| 2026-02-19 00:00 |
20:11:00.73 |
-40:47:18.4 |
HIP 99383 |
22.91 |
| 2026-02-19 12:00 |
20:11:04.75 |
-40:47:21.7 |
HIP 99383 |
23.13 |
| 2026-02-20 00:00 |
20:11:08.76 |
-40:47:25.2 |
HIP 99383 |
23.38 |
| 2026-02-20 12:00 |
20:11:12.74 |
-40:47:28.8 |
HIP 99383 |
23.64 |
| 2026-02-21 00:00 |
20:11:16.71 |
-40:47:32.7 |
HIP 99383 |
23.92 |
| 2026-02-21 12:00 |
20:11:20.66 |
-40:47:36.7 |
HIP 99383 |
24.21 |
| 2026-02-22 00:00 |
20:11:24.58 |
-40:47:40.9 |
HIP 99383 |
24.52 |
| 2026-02-22 12:00 |
20:11:28.49 |
-40:47:45.3 |
HIP 99383 |
24.84 |
| 2026-02-23 00:00 |
20:11:32.37 |
-40:47:49.9 |
HIP 99383 |
25.17 |
| 2026-02-23 12:00 |
20:11:36.23 |
-40:47:54.7 |
HIP 99383 |
25.52 |
| 2026-02-24 00:00 |
20:11:40.08 |
-40:47:59.6 |
HIP 99383 |
25.88 |