メタデータ
| 項目 |
値 |
| Designation |
C/2002 J5 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2003-09-19T07:26:12.215040Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:15Z |
| Obs used |
590 |
| NEO |
- |
| M1 |
4.500 |
| K1 |
11.750 |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2003-10-16.0000000 |
| e |
1.00114515 |
| q (au) |
5.726793 |
| a (au) |
-5000.912684 |
| i (deg) |
117.228241 |
| Ω (om, deg) |
314.109921 |
| ω (w, deg) |
74.832991 |
| M (ma, deg) |
0.000074 |
等級
散乱 + 全体線形
$$
M_a = (0.980 + 5.994\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
0.980 |
| n |
5.994 |
| gf |
0.970 |
| gb |
-0.998 |
| k |
1.000 |
| δ90 |
9.999 |
| 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 |
07:38:05.74 |
-05:52:03.6 |
HIP 37260 |
19.25 |
| 2026-03-26 12:00 |
07:38:04.64 |
-05:51:44.7 |
HIP 37260 |
19.27 |
| 2026-03-27 00:00 |
07:38:03.57 |
-05:51:25.8 |
HIP 37260 |
19.30 |
| 2026-03-27 12:00 |
07:38:02.53 |
-05:51:07.0 |
HIP 37260 |
19.33 |
| 2026-03-28 00:00 |
07:38:01.51 |
-05:50:48.1 |
HIP 37260 |
19.37 |
| 2026-03-28 12:00 |
07:38:00.52 |
-05:50:29.3 |
HIP 37260 |
19.41 |
| 2026-03-29 00:00 |
07:37:59.55 |
-05:50:10.5 |
HIP 37260 |
19.45 |
| 2026-03-29 12:00 |
07:37:58.61 |
-05:49:51.7 |
HIP 37260 |
19.49 |
| 2026-03-30 00:00 |
07:37:57.69 |
-05:49:32.9 |
HIP 37260 |
19.54 |
| 2026-03-30 12:00 |
07:37:56.80 |
-05:49:14.2 |
HIP 37260 |
19.59 |
| 2026-03-31 00:00 |
07:37:55.93 |
-05:48:55.5 |
HIP 37260 |
19.64 |
| 2026-03-31 12:00 |
07:37:55.09 |
-05:48:36.8 |
HIP 37260 |
19.69 |
| 2026-04-01 00:00 |
07:37:54.27 |
-05:48:18.1 |
HIP 37260 |
19.75 |
| 2026-04-01 12:00 |
07:37:53.48 |
-05:47:59.4 |
HIP 37260 |
19.80 |
| 2026-04-02 00:00 |
07:37:52.71 |
-05:47:40.8 |
HIP 37260 |
19.86 |
| 2026-04-02 12:00 |
07:37:51.97 |
-05:47:22.2 |
HIP 37260 |
19.92 |
| 2026-04-03 00:00 |
07:37:51.25 |
-05:47:03.7 |
HIP 37260 |
19.98 |
| 2026-04-03 12:00 |
07:37:50.56 |
-05:46:45.2 |
HIP 37260 |
20.04 |
| 2026-04-04 00:00 |
07:37:49.89 |
-05:46:26.7 |
HIP 37260 |
20.09 |
| 2026-04-04 12:00 |
07:37:49.25 |
-05:46:08.2 |
HIP 37260 |
20.15 |
| 2026-04-05 00:00 |
07:37:48.64 |
-05:45:49.8 |
HIP 37260 |
20.21 |
| 2026-04-05 12:00 |
07:37:48.05 |
-05:45:31.4 |
HIP 37260 |
20.27 |
| 2026-04-06 00:00 |
07:37:47.48 |
-05:45:13.1 |
HIP 37260 |
20.33 |
| 2026-04-06 12:00 |
07:37:46.94 |
-05:44:54.8 |
HIP 37260 |
20.39 |
| 2026-04-07 00:00 |
07:37:46.43 |
-05:44:36.6 |
HIP 37260 |
20.44 |
| 2026-04-07 12:00 |
07:37:45.94 |
-05:44:18.4 |
HIP 37260 |
20.50 |
| 2026-04-08 00:00 |
07:37:45.48 |
-05:44:00.2 |
HIP 37260 |
20.55 |
| 2026-04-08 12:00 |
07:37:45.04 |
-05:43:42.1 |
HIP 37260 |
20.61 |
| 2026-04-09 00:00 |
07:37:44.63 |
-05:43:24.1 |
HIP 37260 |
20.66 |
| 2026-04-09 12:00 |
07:37:44.24 |
-05:43:06.1 |
HIP 37260 |
20.71 |
| 2026-04-10 00:00 |
07:37:43.88 |
-05:42:48.1 |
HIP 37260 |
20.76 |
| 2026-04-10 12:00 |
07:37:43.54 |
-05:42:30.2 |
HIP 37260 |
20.81 |
| 2026-04-11 00:00 |
07:37:43.23 |
-05:42:12.4 |
HIP 37260 |
20.85 |
| 2026-04-11 12:00 |
07:37:42.94 |
-05:41:54.6 |
HIP 37260 |
20.90 |
| 2026-04-12 00:00 |
07:37:42.68 |
-05:41:36.9 |
HIP 37260 |
20.94 |
| 2026-04-12 12:00 |
07:37:42.45 |
-05:41:19.2 |
HIP 37260 |
20.98 |
| 2026-04-13 00:00 |
07:37:42.24 |
-05:41:01.6 |
HIP 37260 |
21.02 |
| 2026-04-13 12:00 |
07:37:42.05 |
-05:40:44.1 |
HIP 37260 |
21.06 |
| 2026-04-14 00:00 |
07:37:41.89 |
-05:40:26.6 |
HIP 37260 |
21.09 |
| 2026-04-14 12:00 |
07:37:41.76 |
-05:40:09.2 |
HIP 37260 |
21.12 |
| 2026-04-15 00:00 |
07:37:41.65 |
-05:39:51.9 |
HIP 37233 |
21.03 |
| 2026-04-15 12:00 |
07:37:41.57 |
-05:39:34.6 |
HIP 37233 |
20.88 |
| 2026-04-16 00:00 |
07:37:41.51 |
-05:39:17.4 |
HIP 37233 |
20.74 |