メタデータ
| 項目 |
値 |
| Designation |
C/2010 D3 (WISE) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2010-09-03T22:06:02.718720Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:40Z |
| Obs used |
87 |
| NEO |
- |
| M1 |
12.100 |
| K1 |
6.000 |
| PC |
- |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2010-12-12.0000000 |
| e |
0.99962872 |
| q (au) |
4.247542 |
| a (au) |
11440.328800 |
| i (deg) |
76.394820 |
| Ω (om, deg) |
255.234609 |
| ω (w, deg) |
304.642621 |
| M (ma, deg) |
0.000080 |
等級
散乱 + 全体線形
$$
M_a = (13.647 + 2.928\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
13.647 |
| n |
2.928 |
| 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) |
| 2026-05-12 00:00 |
19:23:44.37 |
+54:20:32.9 |
HIP 95439 |
9.84 |
| 2026-05-12 12:00 |
19:23:41.40 |
+54:21:22.5 |
HIP 95439 |
10.08 |
| 2026-05-13 00:00 |
19:23:38.38 |
+54:22:11.8 |
HIP 95439 |
10.41 |
| 2026-05-13 12:00 |
19:23:35.32 |
+54:23:00.8 |
HIP 95439 |
10.82 |
| 2026-05-14 00:00 |
19:23:32.21 |
+54:23:49.6 |
HIP 95439 |
11.29 |
| 2026-05-14 12:00 |
19:23:29.05 |
+54:24:38.1 |
HIP 95439 |
11.82 |
| 2026-05-15 00:00 |
19:23:25.84 |
+54:25:26.3 |
HIP 95439 |
12.41 |
| 2026-05-15 12:00 |
19:23:22.59 |
+54:26:14.3 |
HIP 95439 |
13.04 |
| 2026-05-16 00:00 |
19:23:19.29 |
+54:27:01.9 |
HIP 95439 |
13.71 |
| 2026-05-16 12:00 |
19:23:15.94 |
+54:27:49.3 |
HIP 95439 |
14.41 |
| 2026-05-17 00:00 |
19:23:12.55 |
+54:28:36.4 |
HIP 95439 |
15.15 |
| 2026-05-17 12:00 |
19:23:09.11 |
+54:29:23.1 |
HIP 95311 |
14.79 |
| 2026-05-18 00:00 |
19:23:05.63 |
+54:30:09.6 |
HIP 95311 |
14.15 |
| 2026-05-18 12:00 |
19:23:02.10 |
+54:30:55.8 |
HIP 95311 |
13.54 |
| 2026-05-19 00:00 |
19:22:58.53 |
+54:31:41.7 |
HIP 95311 |
12.98 |
| 2026-05-19 12:00 |
19:22:54.91 |
+54:32:27.3 |
HIP 95311 |
12.48 |
| 2026-05-20 00:00 |
19:22:51.25 |
+54:33:12.5 |
HIP 95311 |
12.02 |
| 2026-05-20 12:00 |
19:22:47.54 |
+54:33:57.5 |
HIP 95311 |
11.63 |
| 2026-05-21 00:00 |
19:22:43.79 |
+54:34:42.1 |
HIP 95311 |
11.31 |
| 2026-05-21 12:00 |
19:22:40.00 |
+54:35:26.4 |
HIP 95311 |
11.07 |
| 2026-05-22 00:00 |
19:22:36.16 |
+54:36:10.4 |
HIP 95311 |
10.91 |
| 2026-05-22 12:00 |
19:22:32.29 |
+54:36:54.1 |
HIP 95311 |
10.83 |
| 2026-05-23 00:00 |
19:22:28.36 |
+54:37:37.4 |
HIP 95311 |
10.83 |
| 2026-05-23 12:00 |
19:22:24.40 |
+54:38:20.4 |
HIP 95311 |
10.92 |
| 2026-05-24 00:00 |
19:22:20.40 |
+54:39:03.1 |
HIP 95311 |
11.10 |
| 2026-05-24 12:00 |
19:22:16.35 |
+54:39:45.4 |
HIP 95311 |
11.35 |
| 2026-05-25 00:00 |
19:22:12.27 |
+54:40:27.4 |
HIP 95311 |
11.68 |
| 2026-05-25 12:00 |
19:22:08.14 |
+54:41:09.1 |
HIP 95311 |
12.07 |
| 2026-05-26 00:00 |
19:22:03.97 |
+54:41:50.4 |
HIP 95311 |
12.53 |
| 2026-05-26 12:00 |
19:21:59.77 |
+54:42:31.3 |
HIP 95311 |
13.03 |
| 2026-05-27 00:00 |
19:21:55.52 |
+54:43:11.9 |
HIP 95311 |
13.59 |
| 2026-05-27 12:00 |
19:21:51.23 |
+54:43:52.2 |
HIP 95311 |
14.19 |
| 2026-05-28 00:00 |
19:21:46.91 |
+54:44:32.1 |
HIP 95311 |
14.83 |
| 2026-05-28 12:00 |
19:21:42.54 |
+54:45:11.6 |
HIP 95311 |
15.50 |
| 2026-05-29 00:00 |
19:21:38.14 |
+54:45:50.8 |
HIP 95311 |
16.20 |
| 2026-05-29 12:00 |
19:21:33.70 |
+54:46:29.6 |
HIP 95311 |
16.92 |
| 2026-05-30 00:00 |
19:21:29.23 |
+54:47:08.1 |
HIP 95311 |
17.66 |
| 2026-05-30 12:00 |
19:21:24.71 |
+54:47:46.2 |
HIP 95311 |
18.42 |
| 2026-05-31 00:00 |
19:21:20.16 |
+54:48:23.9 |
HIP 95311 |
19.20 |
| 2026-05-31 12:00 |
19:21:15.57 |
+54:49:01.2 |
HIP 95311 |
19.99 |
| 2026-06-01 00:00 |
19:21:10.95 |
+54:49:38.2 |
HIP 95311 |
20.80 |
| 2026-06-01 12:00 |
19:21:06.29 |
+54:50:14.8 |
HIP 95268 |
21.16 |
| 2026-06-02 00:00 |
19:21:01.59 |
+54:50:51.0 |
HIP 95268 |
21.29 |