メタデータ
| 項目 |
値 |
| Designation |
C/2002 VQ94 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2006-02-06T20:04:08.872320Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:24Z |
| Obs used |
1292 |
| NEO |
- |
| M1 |
9.300 |
| 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) |
2006-09-02.0000000 |
| e |
0.96628664 |
| q (au) |
6.796765 |
| a (au) |
201.604500 |
| i (deg) |
70.516275 |
| Ω (om, deg) |
35.015090 |
| ω (w, deg) |
100.053210 |
| M (ma, deg) |
0.071329 |
等級
散乱 + 全体線形
$$
M_a = (4.352 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
4.352 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.853 |
| 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 |
14:17:08.78 |
-64:25:35.3 |
HIP 69954 |
12.09 |
| 2026-03-26 12:00 |
14:17:02.44 |
-64:25:52.6 |
HIP 69954 |
12.83 |
| 2026-03-27 00:00 |
14:16:56.06 |
-64:26:09.6 |
HIP 69954 |
13.57 |
| 2026-03-27 12:00 |
14:16:49.65 |
-64:26:26.2 |
HIP 69954 |
14.31 |
| 2026-03-28 00:00 |
14:16:43.20 |
-64:26:42.4 |
HIP 69954 |
15.06 |
| 2026-03-28 12:00 |
14:16:36.71 |
-64:26:58.3 |
HIP 69954 |
15.81 |
| 2026-03-29 00:00 |
14:16:30.20 |
-64:27:13.8 |
HIP 69954 |
16.56 |
| 2026-03-29 12:00 |
14:16:23.65 |
-64:27:29.0 |
HIP 69954 |
17.31 |
| 2026-03-30 00:00 |
14:16:17.06 |
-64:27:43.8 |
HIP 69954 |
18.06 |
| 2026-03-30 12:00 |
14:16:10.45 |
-64:27:58.2 |
HIP 69640 |
17.61 |
| 2026-03-31 00:00 |
14:16:03.80 |
-64:28:12.3 |
HIP 69640 |
17.15 |
| 2026-03-31 12:00 |
14:15:57.12 |
-64:28:26.0 |
HIP 69640 |
16.71 |
| 2026-04-01 00:00 |
14:15:50.41 |
-64:28:39.4 |
HIP 69640 |
16.30 |
| 2026-04-01 12:00 |
14:15:43.67 |
-64:28:52.4 |
HIP 69640 |
15.92 |
| 2026-04-02 00:00 |
14:15:36.90 |
-64:29:05.0 |
HIP 69640 |
15.57 |
| 2026-04-02 12:00 |
14:15:30.10 |
-64:29:17.2 |
HIP 69640 |
15.26 |
| 2026-04-03 00:00 |
14:15:23.27 |
-64:29:29.1 |
HIP 69640 |
14.99 |
| 2026-04-03 12:00 |
14:15:16.41 |
-64:29:40.6 |
HIP 69640 |
14.75 |
| 2026-04-04 00:00 |
14:15:09.53 |
-64:29:51.8 |
HIP 69640 |
14.56 |
| 2026-04-04 12:00 |
14:15:02.62 |
-64:30:02.6 |
HIP 69640 |
14.41 |
| 2026-04-05 00:00 |
14:14:55.68 |
-64:30:13.0 |
HIP 69640 |
14.31 |
| 2026-04-05 12:00 |
14:14:48.72 |
-64:30:23.0 |
HIP 69640 |
14.25 |
| 2026-04-06 00:00 |
14:14:41.73 |
-64:30:32.7 |
HIP 69640 |
14.25 |
| 2026-04-06 12:00 |
14:14:34.72 |
-64:30:42.0 |
HIP 69640 |
14.29 |
| 2026-04-07 00:00 |
14:14:27.68 |
-64:30:50.9 |
HIP 69640 |
14.37 |
| 2026-04-07 12:00 |
14:14:20.62 |
-64:30:59.5 |
HIP 69640 |
14.51 |
| 2026-04-08 00:00 |
14:14:13.54 |
-64:31:07.7 |
HIP 69640 |
14.69 |
| 2026-04-08 12:00 |
14:14:06.44 |
-64:31:15.5 |
HIP 69640 |
14.91 |
| 2026-04-09 00:00 |
14:13:59.31 |
-64:31:22.9 |
HIP 69640 |
15.18 |
| 2026-04-09 12:00 |
14:13:52.16 |
-64:31:29.9 |
HIP 69640 |
15.48 |
| 2026-04-10 00:00 |
14:13:44.99 |
-64:31:36.6 |
HIP 69640 |
15.83 |
| 2026-04-10 12:00 |
14:13:37.81 |
-64:31:42.9 |
HIP 69640 |
16.21 |
| 2026-04-11 00:00 |
14:13:30.60 |
-64:31:48.9 |
HIP 69640 |
16.62 |
| 2026-04-11 12:00 |
14:13:23.37 |
-64:31:54.4 |
HIP 69640 |
17.07 |
| 2026-04-12 00:00 |
14:13:16.13 |
-64:31:59.6 |
HIP 69640 |
17.55 |
| 2026-04-12 12:00 |
14:13:08.87 |
-64:32:04.4 |
HIP 69640 |
18.05 |
| 2026-04-13 00:00 |
14:13:01.59 |
-64:32:08.8 |
HIP 69640 |
18.58 |
| 2026-04-13 12:00 |
14:12:54.30 |
-64:32:12.8 |
HIP 69640 |
19.13 |
| 2026-04-14 00:00 |
14:12:46.99 |
-64:32:16.5 |
HIP 69640 |
19.70 |
| 2026-04-14 12:00 |
14:12:39.67 |
-64:32:19.8 |
HIP 69640 |
20.29 |
| 2026-04-15 00:00 |
14:12:32.33 |
-64:32:22.7 |
HIP 69640 |
20.89 |
| 2026-04-15 12:00 |
14:12:24.98 |
-64:32:25.2 |
HIP 69640 |
21.52 |
| 2026-04-16 00:00 |
14:12:17.62 |
-64:32:27.4 |
HIP 69640 |
22.16 |