メタデータ
| 項目 |
値 |
| Designation |
C/2002 V2 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2003-05-13T16:33:06.503040Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:22Z |
| Obs used |
317 |
| NEO |
- |
| M1 |
11.300 |
| 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) |
2003-08-14.0000000 |
| e |
0.99864267 |
| q (au) |
6.812027 |
| a (au) |
5018.714542 |
| i (deg) |
166.776236 |
| Ω (om, deg) |
20.234100 |
| ω (w, deg) |
314.679306 |
| M (ma, deg) |
0.000256 |
等級
散乱 + 全体線形
$$
M_a = (14.074 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
14.074 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.744 |
| k |
0.800 |
| δ90 |
9.977 |
| 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 |
19:40:20.11 |
-07:48:12.7 |
HIP 96754 |
11.16 |
| 2026-06-01 12:00 |
19:40:17.66 |
-07:48:11.5 |
HIP 96754 |
11.00 |
| 2026-06-02 00:00 |
19:40:15.19 |
-07:48:10.4 |
HIP 96754 |
10.86 |
| 2026-06-02 12:00 |
19:40:12.70 |
-07:48:09.4 |
HIP 96754 |
10.76 |
| 2026-06-03 00:00 |
19:40:10.20 |
-07:48:08.6 |
HIP 96754 |
10.68 |
| 2026-06-03 12:00 |
19:40:07.68 |
-07:48:07.8 |
HIP 96754 |
10.65 |
| 2026-06-04 00:00 |
19:40:05.14 |
-07:48:07.1 |
HIP 96754 |
10.64 |
| 2026-06-04 12:00 |
19:40:02.59 |
-07:48:06.6 |
HIP 96754 |
10.67 |
| 2026-06-05 00:00 |
19:40:00.02 |
-07:48:06.1 |
HIP 96754 |
10.74 |
| 2026-06-05 12:00 |
19:39:57.43 |
-07:48:05.8 |
HIP 96754 |
10.84 |
| 2026-06-06 00:00 |
19:39:54.83 |
-07:48:05.5 |
HIP 96754 |
10.98 |
| 2026-06-06 12:00 |
19:39:52.21 |
-07:48:05.4 |
HIP 96754 |
11.15 |
| 2026-06-07 00:00 |
19:39:49.57 |
-07:48:05.4 |
HIP 96754 |
11.36 |
| 2026-06-07 12:00 |
19:39:46.92 |
-07:48:05.5 |
HIP 96754 |
11.60 |
| 2026-06-08 00:00 |
19:39:44.25 |
-07:48:05.6 |
HIP 96754 |
11.87 |
| 2026-06-08 12:00 |
19:39:41.57 |
-07:48:05.9 |
HIP 96754 |
12.18 |
| 2026-06-09 00:00 |
19:39:38.87 |
-07:48:06.4 |
HIP 96754 |
12.51 |
| 2026-06-09 12:00 |
19:39:36.16 |
-07:48:06.9 |
HIP 96754 |
12.87 |
| 2026-06-10 00:00 |
19:39:33.43 |
-07:48:07.5 |
HIP 96754 |
13.25 |
| 2026-06-10 12:00 |
19:39:30.69 |
-07:48:08.2 |
HIP 96754 |
13.65 |
| 2026-06-11 00:00 |
19:39:27.93 |
-07:48:09.1 |
HIP 96754 |
14.08 |
| 2026-06-11 12:00 |
19:39:25.16 |
-07:48:10.0 |
HIP 96754 |
14.53 |
| 2026-06-12 00:00 |
19:39:22.37 |
-07:48:11.1 |
HIP 96754 |
15.00 |
| 2026-06-12 12:00 |
19:39:19.57 |
-07:48:12.2 |
HIP 96754 |
15.49 |
| 2026-06-13 00:00 |
19:39:16.76 |
-07:48:13.5 |
HIP 96754 |
15.99 |
| 2026-06-13 12:00 |
19:39:13.93 |
-07:48:14.9 |
HIP 96754 |
16.51 |
| 2026-06-14 00:00 |
19:39:11.09 |
-07:48:16.4 |
HIP 96754 |
17.04 |
| 2026-06-14 12:00 |
19:39:08.23 |
-07:48:18.0 |
HIP 96754 |
17.59 |
| 2026-06-15 00:00 |
19:39:05.37 |
-07:48:19.7 |
HIP 96754 |
18.15 |
| 2026-06-15 12:00 |
19:39:02.48 |
-07:48:21.5 |
HIP 96754 |
18.72 |
| 2026-06-16 00:00 |
19:38:59.59 |
-07:48:23.4 |
HIP 96754 |
19.30 |
| 2026-06-16 12:00 |
19:38:56.69 |
-07:48:25.5 |
HIP 96754 |
19.89 |
| 2026-06-17 00:00 |
19:38:53.77 |
-07:48:27.6 |
HIP 96754 |
20.50 |
| 2026-06-17 12:00 |
19:38:50.84 |
-07:48:29.8 |
HIP 96754 |
21.11 |
| 2026-06-18 00:00 |
19:38:47.90 |
-07:48:32.2 |
HIP 96754 |
21.73 |
| 2026-06-18 12:00 |
19:38:44.95 |
-07:48:34.7 |
HIP 96754 |
22.36 |
| 2026-06-19 00:00 |
19:38:41.98 |
-07:48:37.2 |
HIP 96754 |
23.00 |
| 2026-06-19 12:00 |
19:38:39.01 |
-07:48:39.9 |
HIP 96754 |
23.64 |
| 2026-06-20 00:00 |
19:38:36.02 |
-07:48:42.7 |
HIP 96754 |
24.29 |
| 2026-06-20 12:00 |
19:38:33.02 |
-07:48:45.6 |
HIP 96754 |
24.95 |
| 2026-06-21 00:00 |
19:38:30.02 |
-07:48:48.6 |
HIP 96754 |
25.61 |
| 2026-06-21 12:00 |
19:38:27.00 |
-07:48:51.7 |
HIP 96754 |
26.29 |
| 2026-06-22 00:00 |
19:38:23.97 |
-07:48:54.9 |
HIP 96754 |
26.96 |