メタデータ
| 項目 |
値 |
| Designation |
C/2010 J4 (WISE) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2010-05-03T04:07:06.352320Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:44Z |
| Obs used |
43 |
| NEO |
- |
| M1 |
19.600 |
| K1 |
10.000 |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2010-05-17.0000000 |
| e |
0.99999359 |
| q (au) |
1.085533 |
| a (au) |
169416.296058 |
| i (deg) |
162.296527 |
| Ω (om, deg) |
316.405387 |
| ω (w, deg) |
83.753342 |
| M (ma, deg) |
0.000000 |
等級
散乱 + 全体線形
$$
M_a = (19.561 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
19.561 |
| n |
2.000 |
| gf |
0.800 |
| gb |
-1.000 |
| 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) |
| 2026-06-01 00:00 |
04:57:40.50 |
+07:14:12.1 |
HIP 23057 |
4.52 |
| 2026-06-01 12:00 |
04:57:43.63 |
+07:14:17.8 |
HIP 23057 |
4.37 |
| 2026-06-02 00:00 |
04:57:46.76 |
+07:14:23.4 |
HIP 23057 |
4.35 |
| 2026-06-02 12:00 |
04:57:49.89 |
+07:14:28.9 |
HIP 23057 |
4.47 |
| 2026-06-03 00:00 |
04:57:53.02 |
+07:14:34.3 |
HIP 23057 |
4.73 |
| 2026-06-03 12:00 |
04:57:56.16 |
+07:14:39.6 |
HIP 23057 |
5.09 |
| 2026-06-04 00:00 |
04:57:59.29 |
+07:14:44.8 |
HIP 23057 |
5.55 |
| 2026-06-04 12:00 |
04:58:02.43 |
+07:14:49.8 |
HIP 23057 |
6.07 |
| 2026-06-05 00:00 |
04:58:05.57 |
+07:14:54.8 |
HIP 23057 |
6.64 |
| 2026-06-05 12:00 |
04:58:08.70 |
+07:14:59.6 |
HIP 23057 |
7.26 |
| 2026-06-06 00:00 |
04:58:11.84 |
+07:15:04.4 |
HIP 23057 |
7.90 |
| 2026-06-06 12:00 |
04:58:14.98 |
+07:15:09.0 |
HIP 23057 |
8.57 |
| 2026-06-07 00:00 |
04:58:18.12 |
+07:15:13.5 |
HIP 23057 |
9.26 |
| 2026-06-07 12:00 |
04:58:21.26 |
+07:15:17.9 |
HIP 23057 |
9.96 |
| 2026-06-08 00:00 |
04:58:24.39 |
+07:15:22.2 |
HIP 23057 |
10.67 |
| 2026-06-08 12:00 |
04:58:27.53 |
+07:15:26.4 |
HIP 23057 |
11.40 |
| 2026-06-09 00:00 |
04:58:30.67 |
+07:15:30.5 |
HIP 23057 |
12.13 |
| 2026-06-09 12:00 |
04:58:33.80 |
+07:15:34.4 |
HIP 23057 |
12.86 |
| 2026-06-10 00:00 |
04:58:36.94 |
+07:15:38.2 |
HIP 23057 |
13.60 |
| 2026-06-10 12:00 |
04:58:40.07 |
+07:15:42.0 |
HIP 23057 |
14.35 |
| 2026-06-11 00:00 |
04:58:43.20 |
+07:15:45.6 |
HIP 23057 |
15.10 |
| 2026-06-11 12:00 |
04:58:46.33 |
+07:15:49.1 |
HIP 23057 |
15.85 |
| 2026-06-12 00:00 |
04:58:49.46 |
+07:15:52.4 |
HIP 23057 |
16.60 |
| 2026-06-12 12:00 |
04:58:52.58 |
+07:15:55.7 |
HIP 23057 |
17.36 |
| 2026-06-13 00:00 |
04:58:55.70 |
+07:15:58.8 |
HIP 23057 |
18.12 |
| 2026-06-13 12:00 |
04:58:58.82 |
+07:16:01.9 |
HIP 23057 |
18.87 |
| 2026-06-14 00:00 |
04:59:01.94 |
+07:16:04.8 |
HIP 23057 |
19.63 |
| 2026-06-14 12:00 |
04:59:05.05 |
+07:16:07.6 |
HIP 23057 |
20.39 |
| 2026-06-15 00:00 |
04:59:08.16 |
+07:16:10.3 |
HIP 23057 |
21.15 |
| 2026-06-15 12:00 |
04:59:11.26 |
+07:16:12.8 |
HIP 23057 |
21.91 |
| 2026-06-16 00:00 |
04:59:14.36 |
+07:16:15.3 |
HIP 23057 |
22.67 |
| 2026-06-16 12:00 |
04:59:17.46 |
+07:16:17.6 |
HIP 23057 |
23.43 |
| 2026-06-17 00:00 |
04:59:20.55 |
+07:16:19.8 |
HIP 23057 |
24.19 |
| 2026-06-17 12:00 |
04:59:23.64 |
+07:16:21.9 |
HIP 23057 |
24.95 |
| 2026-06-18 00:00 |
04:59:26.72 |
+07:16:23.9 |
HIP 23057 |
25.71 |
| 2026-06-18 12:00 |
04:59:29.80 |
+07:16:25.7 |
HIP 23057 |
26.47 |
| 2026-06-19 00:00 |
04:59:32.87 |
+07:16:27.5 |
HIP 23057 |
27.22 |
| 2026-06-19 12:00 |
04:59:35.94 |
+07:16:29.1 |
HIP 23057 |
27.98 |
| 2026-06-20 00:00 |
04:59:39.00 |
+07:16:30.6 |
HIP 23057 |
28.73 |
| 2026-06-20 12:00 |
04:59:42.05 |
+07:16:32.0 |
HIP 23057 |
29.49 |
| 2026-06-21 00:00 |
04:59:45.10 |
+07:16:33.3 |
HIP 23057 |
30.24 |
| 2026-06-21 12:00 |
04:59:48.14 |
+07:16:34.4 |
HIP 23057 |
30.99 |
| 2026-06-22 00:00 |
04:59:51.18 |
+07:16:35.4 |
HIP 23057 |
31.74 |