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) |
| 2026-09-20 00:00 |
14:01:55.21 |
-62:28:36.2 |
HIP 68442 |
12.55 |
| 2026-09-20 12:00 |
14:02:00.66 |
-62:28:28.8 |
HIP 68442 |
13.06 |
| 2026-09-21 00:00 |
14:02:06.15 |
-62:28:21.8 |
HIP 68442 |
13.59 |
| 2026-09-21 12:00 |
14:02:11.66 |
-62:28:15.0 |
HIP 68442 |
14.12 |
| 2026-09-22 00:00 |
14:02:17.20 |
-62:28:08.5 |
HIP 68442 |
14.66 |
| 2026-09-22 12:00 |
14:02:22.78 |
-62:28:02.4 |
HIP 68442 |
15.21 |
| 2026-09-23 00:00 |
14:02:28.38 |
-62:27:56.5 |
HIP 68442 |
15.76 |
| 2026-09-23 12:00 |
14:02:34.01 |
-62:27:51.0 |
HIP 68442 |
16.32 |
| 2026-09-24 00:00 |
14:02:39.67 |
-62:27:45.8 |
HIP 68442 |
16.89 |
| 2026-09-24 12:00 |
14:02:45.35 |
-62:27:40.8 |
HIP 68442 |
17.46 |
| 2026-09-25 00:00 |
14:02:51.06 |
-62:27:36.2 |
HIP 68817 |
17.67 |
| 2026-09-25 12:00 |
14:02:56.80 |
-62:27:31.9 |
HIP 68817 |
17.03 |
| 2026-09-26 00:00 |
14:03:02.57 |
-62:27:27.9 |
HIP 68817 |
16.38 |
| 2026-09-26 12:00 |
14:03:08.36 |
-62:27:24.2 |
HIP 68817 |
15.74 |
| 2026-09-27 00:00 |
14:03:14.18 |
-62:27:20.8 |
HIP 68817 |
15.09 |
| 2026-09-27 12:00 |
14:03:20.02 |
-62:27:17.8 |
HIP 68817 |
14.44 |
| 2026-09-28 00:00 |
14:03:25.89 |
-62:27:15.0 |
HIP 68817 |
13.79 |
| 2026-09-28 12:00 |
14:03:31.78 |
-62:27:12.5 |
HIP 68817 |
13.14 |
| 2026-09-29 00:00 |
14:03:37.70 |
-62:27:10.4 |
HIP 68817 |
12.49 |
| 2026-09-29 12:00 |
14:03:43.64 |
-62:27:08.6 |
HIP 68817 |
11.84 |
| 2026-09-30 00:00 |
14:03:49.61 |
-62:27:07.1 |
HIP 68817 |
11.18 |
| 2026-09-30 12:00 |
14:03:55.60 |
-62:27:05.9 |
HIP 68817 |
10.53 |
| 2026-10-01 00:00 |
14:04:01.61 |
-62:27:05.0 |
HIP 68817 |
9.88 |
| 2026-10-01 12:00 |
14:04:07.64 |
-62:27:04.4 |
HIP 68817 |
9.23 |
| 2026-10-02 00:00 |
14:04:13.70 |
-62:27:04.1 |
HIP 68817 |
8.59 |
| 2026-10-02 12:00 |
14:04:19.78 |
-62:27:04.2 |
HIP 68817 |
7.94 |
| 2026-10-03 00:00 |
14:04:25.88 |
-62:27:04.5 |
HIP 68817 |
7.31 |
| 2026-10-03 12:00 |
14:04:32.01 |
-62:27:05.2 |
HIP 68817 |
6.68 |
| 2026-10-04 00:00 |
14:04:38.15 |
-62:27:06.2 |
HIP 68817 |
6.07 |
| 2026-10-04 12:00 |
14:04:44.32 |
-62:27:07.5 |
HIP 68817 |
5.48 |
| 2026-10-05 00:00 |
14:04:50.50 |
-62:27:09.1 |
HIP 68817 |
4.91 |
| 2026-10-05 12:00 |
14:04:56.71 |
-62:27:11.1 |
HIP 68817 |
4.38 |
| 2026-10-06 00:00 |
14:05:02.93 |
-62:27:13.3 |
HIP 68817 |
3.90 |
| 2026-10-06 12:00 |
14:05:09.18 |
-62:27:15.9 |
HIP 68817 |
3.51 |
| 2026-10-07 00:00 |
14:05:15.44 |
-62:27:18.8 |
HIP 68817 |
3.22 |
| 2026-10-07 12:00 |
14:05:21.72 |
-62:27:22.0 |
HIP 68817 |
3.08 |
| 2026-10-08 00:00 |
14:05:28.02 |
-62:27:25.5 |
HIP 68817 |
3.10 |
| 2026-10-08 12:00 |
14:05:34.34 |
-62:27:29.4 |
HIP 68817 |
3.28 |
| 2026-10-09 00:00 |
14:05:40.67 |
-62:27:33.5 |
HIP 68817 |
3.60 |
| 2026-10-09 12:00 |
14:05:47.02 |
-62:27:38.0 |
HIP 68817 |
4.03 |
| 2026-10-10 00:00 |
14:05:53.39 |
-62:27:42.8 |
HIP 68817 |
4.54 |
| 2026-10-10 12:00 |
14:05:59.78 |
-62:27:47.9 |
HIP 68817 |
5.10 |
| 2026-10-11 00:00 |
14:06:06.17 |
-62:27:53.3 |
HIP 68817 |
5.70 |