メタデータ
| 項目 |
値 |
| Designation |
C/2011 J3 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2011-01-24T09:18:41.359680Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:49Z |
| Obs used |
83 |
| NEO |
- |
| M1 |
16.200 |
| K1 |
4.500 |
| PC |
- |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2011-05-30.0000000 |
| e |
0.92583194 |
| q (au) |
1.450992 |
| a (au) |
19.563572 |
| i (deg) |
114.712382 |
| Ω (om, deg) |
21.512284 |
| ω (w, deg) |
27.844964 |
| M (ma, deg) |
1.430748 |
等級
散乱 + 全体線形
$$
M_a = (17.765 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
17.765 |
| n |
2.000 |
| gf |
1.000 |
| 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) |
| 2026-03-26 00:00 |
12:41:45.33 |
-17:39:25.3 |
HIP 61804 |
25.12 |
| 2026-03-26 12:00 |
12:41:40.63 |
-17:39:03.6 |
HIP 61804 |
24.03 |
| 2026-03-27 00:00 |
12:41:35.92 |
-17:38:41.8 |
HIP 61804 |
22.95 |
| 2026-03-27 12:00 |
12:41:31.22 |
-17:38:19.8 |
HIP 61804 |
21.87 |
| 2026-03-28 00:00 |
12:41:26.51 |
-17:37:57.6 |
HIP 61804 |
20.81 |
| 2026-03-28 12:00 |
12:41:21.79 |
-17:37:35.3 |
HIP 61804 |
19.77 |
| 2026-03-29 00:00 |
12:41:17.08 |
-17:37:12.8 |
HIP 61804 |
18.73 |
| 2026-03-29 12:00 |
12:41:12.36 |
-17:36:50.2 |
HIP 61804 |
17.72 |
| 2026-03-30 00:00 |
12:41:07.64 |
-17:36:27.4 |
HIP 61804 |
16.73 |
| 2026-03-30 12:00 |
12:41:02.92 |
-17:36:04.5 |
HIP 61804 |
15.77 |
| 2026-03-31 00:00 |
12:40:58.20 |
-17:35:41.4 |
HIP 61804 |
14.84 |
| 2026-03-31 12:00 |
12:40:53.48 |
-17:35:18.2 |
HIP 61804 |
13.96 |
| 2026-04-01 00:00 |
12:40:48.76 |
-17:34:54.8 |
HIP 61804 |
13.12 |
| 2026-04-01 12:00 |
12:40:44.04 |
-17:34:31.3 |
HIP 61804 |
12.34 |
| 2026-04-02 00:00 |
12:40:39.32 |
-17:34:07.6 |
HIP 61804 |
11.63 |
| 2026-04-02 12:00 |
12:40:34.60 |
-17:33:43.8 |
HIP 61804 |
11.01 |
| 2026-04-03 00:00 |
12:40:29.89 |
-17:33:19.9 |
HIP 61804 |
10.49 |
| 2026-04-03 12:00 |
12:40:25.17 |
-17:32:55.8 |
HIP 61804 |
10.09 |
| 2026-04-04 00:00 |
12:40:20.46 |
-17:32:31.6 |
HIP 61804 |
9.81 |
| 2026-04-04 12:00 |
12:40:15.75 |
-17:32:07.3 |
HIP 61804 |
9.68 |
| 2026-04-05 00:00 |
12:40:11.04 |
-17:31:42.8 |
HIP 61804 |
9.70 |
| 2026-04-05 12:00 |
12:40:06.34 |
-17:31:18.2 |
HIP 61804 |
9.87 |
| 2026-04-06 00:00 |
12:40:01.64 |
-17:30:53.5 |
HIP 61804 |
10.17 |
| 2026-04-06 12:00 |
12:39:56.94 |
-17:30:28.7 |
HIP 61804 |
10.61 |
| 2026-04-07 00:00 |
12:39:52.25 |
-17:30:03.7 |
HIP 61804 |
11.16 |
| 2026-04-07 12:00 |
12:39:47.56 |
-17:29:38.7 |
HIP 61804 |
11.80 |
| 2026-04-08 00:00 |
12:39:42.88 |
-17:29:13.5 |
HIP 61804 |
12.53 |
| 2026-04-08 12:00 |
12:39:38.20 |
-17:28:48.2 |
HIP 61804 |
13.32 |
| 2026-04-09 00:00 |
12:39:33.53 |
-17:28:22.8 |
HIP 61804 |
14.17 |
| 2026-04-09 12:00 |
12:39:28.86 |
-17:27:57.2 |
HIP 61804 |
15.07 |
| 2026-04-10 00:00 |
12:39:24.20 |
-17:27:31.6 |
HIP 61804 |
16.01 |
| 2026-04-10 12:00 |
12:39:19.55 |
-17:27:05.9 |
HIP 61804 |
16.98 |
| 2026-04-11 00:00 |
12:39:14.91 |
-17:26:40.0 |
HIP 61804 |
17.98 |
| 2026-04-11 12:00 |
12:39:10.27 |
-17:26:14.1 |
HIP 61804 |
19.00 |
| 2026-04-12 00:00 |
12:39:05.64 |
-17:25:48.1 |
HIP 61804 |
20.03 |
| 2026-04-12 12:00 |
12:39:01.02 |
-17:25:22.0 |
HIP 61804 |
21.09 |
| 2026-04-13 00:00 |
12:38:56.40 |
-17:24:55.8 |
HIP 61804 |
22.15 |
| 2026-04-13 12:00 |
12:38:51.80 |
-17:24:29.4 |
HIP 61804 |
23.23 |
| 2026-04-14 00:00 |
12:38:47.21 |
-17:24:03.1 |
HIP 61804 |
24.32 |
| 2026-04-14 12:00 |
12:38:42.62 |
-17:23:36.6 |
HIP 61804 |
25.41 |
| 2026-04-15 00:00 |
12:38:38.05 |
-17:23:10.0 |
HIP 61804 |
26.51 |
| 2026-04-15 12:00 |
12:38:33.48 |
-17:22:43.4 |
HIP 61804 |
27.62 |
| 2026-04-16 00:00 |
12:38:28.93 |
-17:22:16.7 |
HIP 61804 |
28.73 |