C/2010 J1 (Boattini)
メタデータ
| 項目 |
値 |
| Designation |
C/2010 J1 (Boattini) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2010-02-04T19:40:22.028160Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:43Z |
| Obs used |
605 |
| NEO |
- |
| M1 |
11.400 |
| K1 |
15.000 |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2010-05-23.0000000 |
| e |
0.95382789 |
| q (au) |
1.695658 |
| a (au) |
36.724723 |
| i (deg) |
134.384945 |
| Ω (om, deg) |
254.813387 |
| ω (w, deg) |
333.109117 |
| M (ma, deg) |
0.474658 |
等級
散乱 + 全体線形
$$
M_a = (11.002 + 5.695\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
11.002 |
| n |
5.695 |
| gf |
1.000 |
| gb |
-0.506 |
| k |
1.000 |
| 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) |
| 2026-02-03 00:00 |
08:06:55.79 |
+53:58:50.0 |
HIP 39715 |
8.45 |
| 2026-02-03 12:00 |
08:06:48.88 |
+53:58:50.6 |
HIP 39715 |
8.66 |
| 2026-02-04 00:00 |
08:06:41.99 |
+53:58:50.9 |
HIP 39715 |
8.97 |
| 2026-02-04 12:00 |
08:06:35.12 |
+53:58:50.9 |
HIP 39715 |
9.39 |
| 2026-02-05 00:00 |
08:06:28.26 |
+53:58:50.5 |
HIP 39715 |
9.90 |
| 2026-02-05 12:00 |
08:06:21.43 |
+53:58:49.8 |
HIP 39715 |
10.48 |
| 2026-02-06 00:00 |
08:06:14.61 |
+53:58:48.7 |
HIP 39715 |
11.13 |
| 2026-02-06 12:00 |
08:06:07.81 |
+53:58:47.3 |
HIP 39715 |
11.82 |
| 2026-02-07 00:00 |
08:06:01.03 |
+53:58:45.6 |
HIP 39715 |
12.56 |
| 2026-02-07 12:00 |
08:05:54.28 |
+53:58:43.6 |
HIP 39715 |
13.33 |
| 2026-02-08 00:00 |
08:05:47.54 |
+53:58:41.2 |
HIP 39715 |
14.14 |
| 2026-02-08 12:00 |
08:05:40.83 |
+53:58:38.5 |
HIP 39715 |
14.96 |
| 2026-02-09 00:00 |
08:05:34.14 |
+53:58:35.5 |
HIP 39715 |
15.80 |
| 2026-02-09 12:00 |
08:05:27.47 |
+53:58:32.2 |
HIP 39715 |
16.66 |
| 2026-02-10 00:00 |
08:05:20.82 |
+53:58:28.5 |
HIP 39715 |
17.53 |
| 2026-02-10 12:00 |
08:05:14.20 |
+53:58:24.5 |
HIP 39715 |
18.42 |
| 2026-02-11 00:00 |
08:05:07.61 |
+53:58:20.2 |
HIP 39426 |
17.94 |
| 2026-02-11 12:00 |
08:05:01.03 |
+53:58:15.5 |
HIP 39426 |
17.25 |
| 2026-02-12 00:00 |
08:04:54.49 |
+53:58:10.5 |
HIP 39426 |
16.60 |
| 2026-02-12 12:00 |
08:04:47.97 |
+53:58:05.2 |
HIP 39426 |
15.98 |
| 2026-02-13 00:00 |
08:04:41.48 |
+53:57:59.6 |
HIP 39426 |
15.41 |
| 2026-02-13 12:00 |
08:04:35.01 |
+53:57:53.6 |
HIP 39426 |
14.88 |
| 2026-02-14 00:00 |
08:04:28.58 |
+53:57:47.3 |
HIP 39426 |
14.40 |
| 2026-02-14 12:00 |
08:04:22.17 |
+53:57:40.7 |
HIP 39426 |
13.98 |
| 2026-02-15 00:00 |
08:04:15.79 |
+53:57:33.8 |
HIP 39426 |
13.61 |
| 2026-02-15 12:00 |
08:04:09.44 |
+53:57:26.6 |
HIP 39426 |
13.31 |
| 2026-02-16 00:00 |
08:04:03.12 |
+53:57:19.0 |
HIP 39426 |
13.08 |
| 2026-02-16 12:00 |
08:03:56.83 |
+53:57:11.1 |
HIP 39426 |
12.92 |
| 2026-02-17 00:00 |
08:03:50.57 |
+53:57:02.9 |
HIP 39426 |
12.83 |
| 2026-02-17 12:00 |
08:03:44.34 |
+53:56:54.4 |
HIP 39426 |
12.81 |
| 2026-02-18 00:00 |
08:03:38.15 |
+53:56:45.6 |
HIP 39426 |
12.86 |
| 2026-02-18 12:00 |
08:03:31.99 |
+53:56:36.5 |
HIP 39426 |
12.99 |
| 2026-02-19 00:00 |
08:03:25.86 |
+53:56:27.0 |
HIP 39363 |
12.80 |
| 2026-02-19 12:00 |
08:03:19.76 |
+53:56:17.2 |
HIP 39363 |
12.57 |
| 2026-02-20 00:00 |
08:03:13.70 |
+53:56:07.2 |
HIP 39363 |
12.41 |
| 2026-02-20 12:00 |
08:03:07.68 |
+53:55:56.8 |
HIP 39363 |
12.33 |
| 2026-02-21 00:00 |
08:03:01.69 |
+53:55:46.1 |
HIP 39363 |
12.31 |
| 2026-02-21 12:00 |
08:02:55.73 |
+53:55:35.1 |
HIP 39363 |
12.36 |
| 2026-02-22 00:00 |
08:02:49.81 |
+53:55:23.8 |
HIP 39363 |
12.49 |
| 2026-02-22 12:00 |
08:02:43.93 |
+53:55:12.2 |
HIP 39363 |
12.68 |
| 2026-02-23 00:00 |
08:02:38.09 |
+53:55:00.3 |
HIP 39363 |
12.93 |
| 2026-02-23 12:00 |
08:02:32.28 |
+53:54:48.1 |
HIP 39363 |
13.24 |
| 2026-02-24 00:00 |
08:02:26.51 |
+53:54:35.6 |
HIP 39363 |
13.60 |