メタデータ
| 項目 |
値 |
| Designation |
C/2010 L5 (WISE) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2010-04-23T03:55:12.714240Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:44Z |
| Obs used |
34 |
| NEO |
Yes |
| M1 |
18.900 |
| K1 |
4.500 |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2010-07-02.0000000 |
| e |
0.90421394 |
| q (au) |
0.791169 |
| a (au) |
8.259755 |
| i (deg) |
147.048942 |
| Ω (om, deg) |
206.472272 |
| ω (w, deg) |
214.763588 |
| M (ma, deg) |
2.899591 |
等級
散乱 + 全体線形
$$
M_a = (17.711 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
17.711 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.597 |
| 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 |
11:39:29.62 |
+26:06:19.7 |
HIP 56850 |
6.55 |
| 2026-06-01 12:00 |
11:39:26.96 |
+26:05:51.3 |
HIP 56850 |
6.88 |
| 2026-06-02 00:00 |
11:39:24.38 |
+26:05:22.4 |
HIP 56850 |
7.27 |
| 2026-06-02 12:00 |
11:39:21.87 |
+26:04:53.1 |
HIP 56850 |
7.73 |
| 2026-06-03 00:00 |
11:39:19.43 |
+26:04:23.4 |
HIP 56850 |
8.24 |
| 2026-06-03 12:00 |
11:39:17.06 |
+26:03:53.2 |
HIP 56850 |
8.78 |
| 2026-06-04 00:00 |
11:39:14.76 |
+26:03:22.6 |
HIP 56850 |
9.36 |
| 2026-06-04 12:00 |
11:39:12.54 |
+26:02:51.6 |
HIP 56850 |
9.95 |
| 2026-06-05 00:00 |
11:39:10.38 |
+26:02:20.2 |
HIP 56850 |
10.57 |
| 2026-06-05 12:00 |
11:39:08.30 |
+26:01:48.4 |
HIP 56850 |
11.20 |
| 2026-06-06 00:00 |
11:39:06.28 |
+26:01:16.1 |
HIP 56850 |
11.84 |
| 2026-06-06 12:00 |
11:39:04.34 |
+26:00:43.5 |
HIP 56850 |
12.49 |
| 2026-06-07 00:00 |
11:39:02.47 |
+26:00:10.4 |
HIP 56850 |
13.15 |
| 2026-06-07 12:00 |
11:39:00.67 |
+25:59:37.0 |
HIP 56850 |
13.81 |
| 2026-06-08 00:00 |
11:38:58.95 |
+25:59:03.1 |
HIP 56850 |
14.47 |
| 2026-06-08 12:00 |
11:38:57.29 |
+25:58:28.9 |
HIP 56850 |
15.13 |
| 2026-06-09 00:00 |
11:38:55.70 |
+25:57:54.3 |
HIP 56850 |
15.80 |
| 2026-06-09 12:00 |
11:38:54.19 |
+25:57:19.3 |
HIP 56850 |
16.47 |
| 2026-06-10 00:00 |
11:38:52.75 |
+25:56:43.9 |
HIP 56850 |
17.14 |
| 2026-06-10 12:00 |
11:38:51.37 |
+25:56:08.1 |
HIP 56850 |
17.80 |
| 2026-06-11 00:00 |
11:38:50.07 |
+25:55:31.9 |
HIP 56850 |
18.47 |
| 2026-06-11 12:00 |
11:38:48.84 |
+25:54:55.4 |
HIP 56850 |
19.14 |
| 2026-06-12 00:00 |
11:38:47.68 |
+25:54:18.5 |
HIP 56687 |
19.65 |
| 2026-06-12 12:00 |
11:38:46.60 |
+25:53:41.3 |
HIP 56687 |
19.23 |
| 2026-06-13 00:00 |
11:38:45.58 |
+25:53:03.7 |
HIP 56687 |
18.84 |
| 2026-06-13 12:00 |
11:38:44.63 |
+25:52:25.7 |
HIP 56687 |
18.48 |
| 2026-06-14 00:00 |
11:38:43.76 |
+25:51:47.4 |
HIP 56687 |
18.15 |
| 2026-06-14 12:00 |
11:38:42.95 |
+25:51:08.7 |
HIP 56687 |
17.85 |
| 2026-06-15 00:00 |
11:38:42.22 |
+25:50:29.7 |
HIP 56687 |
17.59 |
| 2026-06-15 12:00 |
11:38:41.56 |
+25:49:50.3 |
HIP 56687 |
17.37 |
| 2026-06-16 00:00 |
11:38:40.96 |
+25:49:10.6 |
HIP 56687 |
17.19 |
| 2026-06-16 12:00 |
11:38:40.44 |
+25:48:30.6 |
HIP 56687 |
17.04 |
| 2026-06-17 00:00 |
11:38:39.99 |
+25:47:50.2 |
HIP 56687 |
16.94 |
| 2026-06-17 12:00 |
11:38:39.61 |
+25:47:09.6 |
HIP 56687 |
16.88 |
| 2026-06-18 00:00 |
11:38:39.29 |
+25:46:28.6 |
HIP 56687 |
16.87 |
| 2026-06-18 12:00 |
11:38:39.05 |
+25:45:47.3 |
HIP 56687 |
16.90 |
| 2026-06-19 00:00 |
11:38:38.88 |
+25:45:05.7 |
HIP 56687 |
16.97 |
| 2026-06-19 12:00 |
11:38:38.77 |
+25:44:23.7 |
HIP 56687 |
17.09 |
| 2026-06-20 00:00 |
11:38:38.74 |
+25:43:41.5 |
HIP 56687 |
17.25 |
| 2026-06-20 12:00 |
11:38:38.77 |
+25:42:59.0 |
HIP 56687 |
17.46 |
| 2026-06-21 00:00 |
11:38:38.87 |
+25:42:16.2 |
HIP 56687 |
17.70 |
| 2026-06-21 12:00 |
11:38:39.04 |
+25:41:33.1 |
HIP 56687 |
17.99 |
| 2026-06-22 00:00 |
11:38:39.28 |
+25:40:49.7 |
HIP 56687 |
18.32 |