C/2011 J3 (LINEAR)
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) |
| 2026-02-03 00:00 |
12:48:20.16 |
-17:56:49.8 |
HIP 62460 |
9.48 |
| 2026-02-03 12:00 |
12:48:17.63 |
-17:56:52.5 |
HIP 62460 |
9.19 |
| 2026-02-04 00:00 |
12:48:15.07 |
-17:56:54.8 |
HIP 62460 |
8.93 |
| 2026-02-04 12:00 |
12:48:12.48 |
-17:56:56.9 |
HIP 62460 |
8.70 |
| 2026-02-05 00:00 |
12:48:09.85 |
-17:56:58.8 |
HIP 62460 |
8.52 |
| 2026-02-05 12:00 |
12:48:07.19 |
-17:57:00.4 |
HIP 62460 |
8.38 |
| 2026-02-06 00:00 |
12:48:04.49 |
-17:57:01.7 |
HIP 62460 |
8.30 |
| 2026-02-06 12:00 |
12:48:01.76 |
-17:57:02.7 |
HIP 62460 |
8.26 |
| 2026-02-07 00:00 |
12:47:58.99 |
-17:57:03.5 |
HIP 62460 |
8.29 |
| 2026-02-07 12:00 |
12:47:56.20 |
-17:57:04.0 |
HIP 62460 |
8.37 |
| 2026-02-08 00:00 |
12:47:53.36 |
-17:57:04.2 |
HIP 62460 |
8.50 |
| 2026-02-08 12:00 |
12:47:50.50 |
-17:57:04.1 |
HIP 62460 |
8.70 |
| 2026-02-09 00:00 |
12:47:47.60 |
-17:57:03.8 |
HIP 62460 |
8.95 |
| 2026-02-09 12:00 |
12:47:44.67 |
-17:57:03.3 |
HIP 62460 |
9.25 |
| 2026-02-10 00:00 |
12:47:41.70 |
-17:57:02.4 |
HIP 62460 |
9.60 |
| 2026-02-10 12:00 |
12:47:38.71 |
-17:57:01.3 |
HIP 62460 |
10.00 |
| 2026-02-11 00:00 |
12:47:35.68 |
-17:57:00.0 |
HIP 62460 |
10.44 |
| 2026-02-11 12:00 |
12:47:32.62 |
-17:56:58.3 |
HIP 62460 |
10.92 |
| 2026-02-12 00:00 |
12:47:29.53 |
-17:56:56.3 |
HIP 62460 |
11.43 |
| 2026-02-12 12:00 |
12:47:26.40 |
-17:56:54.1 |
HIP 62460 |
11.97 |
| 2026-02-13 00:00 |
12:47:23.25 |
-17:56:51.7 |
HIP 62460 |
12.55 |
| 2026-02-13 12:00 |
12:47:20.06 |
-17:56:49.0 |
HIP 62460 |
13.15 |
| 2026-02-14 00:00 |
12:47:16.84 |
-17:56:46.0 |
HIP 62460 |
13.77 |
| 2026-02-14 12:00 |
12:47:13.59 |
-17:56:42.7 |
HIP 62460 |
14.42 |
| 2026-02-15 00:00 |
12:47:10.32 |
-17:56:39.2 |
HIP 62460 |
15.08 |
| 2026-02-15 12:00 |
12:47:07.01 |
-17:56:35.4 |
HIP 62460 |
15.77 |
| 2026-02-16 00:00 |
12:47:03.67 |
-17:56:31.3 |
HIP 62460 |
16.47 |
| 2026-02-16 12:00 |
12:47:00.30 |
-17:56:27.0 |
HIP 62460 |
17.19 |
| 2026-02-17 00:00 |
12:46:56.90 |
-17:56:22.3 |
HIP 62460 |
17.93 |
| 2026-02-17 12:00 |
12:46:53.47 |
-17:56:17.5 |
HIP 62329 |
18.38 |
| 2026-02-18 00:00 |
12:46:50.02 |
-17:56:12.3 |
HIP 62329 |
18.16 |
| 2026-02-18 12:00 |
12:46:46.53 |
-17:56:06.9 |
HIP 62329 |
17.96 |
| 2026-02-19 00:00 |
12:46:43.02 |
-17:56:01.3 |
HIP 62329 |
17.81 |
| 2026-02-19 12:00 |
12:46:39.48 |
-17:55:55.3 |
HIP 62329 |
17.70 |
| 2026-02-20 00:00 |
12:46:35.91 |
-17:55:49.2 |
HIP 62329 |
17.64 |
| 2026-02-20 12:00 |
12:46:32.31 |
-17:55:42.7 |
HIP 62329 |
17.62 |
| 2026-02-21 00:00 |
12:46:28.69 |
-17:55:36.0 |
HIP 62329 |
17.64 |
| 2026-02-21 12:00 |
12:46:25.03 |
-17:55:29.0 |
HIP 62329 |
17.71 |
| 2026-02-22 00:00 |
12:46:21.36 |
-17:55:21.8 |
HIP 62329 |
17.83 |
| 2026-02-22 12:00 |
12:46:17.65 |
-17:55:14.3 |
HIP 62329 |
17.99 |
| 2026-02-23 00:00 |
12:46:13.92 |
-17:55:06.5 |
HIP 62329 |
18.21 |
| 2026-02-23 12:00 |
12:46:10.17 |
-17:54:58.5 |
HIP 62329 |
18.47 |
| 2026-02-24 00:00 |
12:46:06.39 |
-17:54:50.2 |
HIP 62329 |
18.77 |