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 |
0.999 |
| gb |
-0.708 |
| k |
0.800 |
| 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 |
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 |
| 2026-06-02 12:00 |
19:20:56.86 |
+54:51:26.8 |
HIP 95268 |
21.47 |
| 2026-06-03 00:00 |
19:20:52.09 |
+54:52:02.3 |
HIP 95268 |
21.69 |
| 2026-06-03 12:00 |
19:20:47.29 |
+54:52:37.3 |
HIP 95268 |
21.95 |
| 2026-06-04 00:00 |
19:20:42.46 |
+54:53:12.0 |
HIP 95268 |
22.26 |
| 2026-06-04 12:00 |
19:20:37.59 |
+54:53:46.3 |
HIP 95268 |
22.60 |
| 2026-06-05 00:00 |
19:20:32.69 |
+54:54:20.2 |
HIP 95268 |
22.98 |
| 2026-06-05 12:00 |
19:20:27.75 |
+54:54:53.7 |
HIP 95268 |
23.39 |
| 2026-06-06 00:00 |
19:20:22.78 |
+54:55:26.8 |
HIP 95268 |
23.84 |
| 2026-06-06 12:00 |
19:20:17.78 |
+54:55:59.5 |
HIP 95268 |
24.32 |
| 2026-06-07 00:00 |
19:20:12.75 |
+54:56:31.7 |
HIP 95268 |
24.83 |
| 2026-06-07 12:00 |
19:20:07.69 |
+54:57:03.6 |
HIP 95268 |
25.37 |
| 2026-06-08 00:00 |
19:20:02.59 |
+54:57:35.1 |
HIP 95268 |
25.93 |
| 2026-06-08 12:00 |
19:19:57.47 |
+54:58:06.2 |
HIP 95268 |
26.52 |
| 2026-06-09 00:00 |
19:19:52.31 |
+54:58:36.8 |
HIP 95268 |
27.13 |
| 2026-06-09 12:00 |
19:19:47.13 |
+54:59:07.1 |
HIP 95268 |
27.76 |
| 2026-06-10 00:00 |
19:19:41.91 |
+54:59:36.9 |
HIP 95268 |
28.41 |
| 2026-06-10 12:00 |
19:19:36.67 |
+55:00:06.3 |
HIP 95268 |
29.08 |
| 2026-06-11 00:00 |
19:19:31.39 |
+55:00:35.3 |
HIP 95268 |
29.76 |
| 2026-06-11 12:00 |
19:19:26.09 |
+55:01:03.8 |
HIP 95268 |
30.46 |
| 2026-06-12 00:00 |
19:19:20.76 |
+55:01:31.9 |
HIP 95268 |
31.18 |
| 2026-06-12 12:00 |
19:19:15.41 |
+55:01:59.6 |
HIP 95268 |
31.90 |
| 2026-06-13 00:00 |
19:19:10.02 |
+55:02:26.9 |
HIP 95268 |
32.64 |
| 2026-06-13 12:00 |
19:19:04.61 |
+55:02:53.8 |
HIP 95268 |
33.40 |
| 2026-06-14 00:00 |
19:18:59.18 |
+55:03:20.2 |
HIP 94609 |
33.24 |
| 2026-06-14 12:00 |
19:18:53.71 |
+55:03:46.1 |
HIP 94609 |
32.38 |
| 2026-06-15 00:00 |
19:18:48.23 |
+55:04:11.6 |
HIP 94609 |
31.53 |
| 2026-06-15 12:00 |
19:18:42.71 |
+55:04:36.7 |
HIP 94609 |
30.67 |
| 2026-06-16 00:00 |
19:18:37.18 |
+55:05:01.4 |
HIP 94609 |
29.82 |
| 2026-06-16 12:00 |
19:18:31.62 |
+55:05:25.6 |
HIP 94609 |
28.97 |
| 2026-06-17 00:00 |
19:18:26.04 |
+55:05:49.3 |
HIP 94609 |
28.11 |
| 2026-06-17 12:00 |
19:18:20.43 |
+55:06:12.6 |
HIP 94609 |
27.26 |
| 2026-06-18 00:00 |
19:18:14.81 |
+55:06:35.5 |
HIP 94609 |
26.41 |
| 2026-06-18 12:00 |
19:18:09.16 |
+55:06:57.9 |
HIP 94609 |
25.55 |
| 2026-06-19 00:00 |
19:18:03.49 |
+55:07:19.8 |
HIP 94609 |
24.70 |
| 2026-06-19 12:00 |
19:17:57.80 |
+55:07:41.3 |
HIP 94609 |
23.85 |
| 2026-06-20 00:00 |
19:17:52.09 |
+55:08:02.4 |
HIP 94609 |
23.01 |
| 2026-06-20 12:00 |
19:17:46.36 |
+55:08:23.0 |
HIP 94609 |
22.16 |
| 2026-06-21 00:00 |
19:17:40.61 |
+55:08:43.1 |
HIP 94609 |
21.31 |
| 2026-06-21 12:00 |
19:17:34.84 |
+55:09:02.8 |
HIP 94609 |
20.47 |
| 2026-06-22 00:00 |
19:17:29.06 |
+55:09:22.0 |
HIP 94609 |
19.62 |