メタデータ
| 項目 |
値 |
| Designation |
C/2001 U6 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2002-08-08T15:49:53.086080Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:11Z |
| Obs used |
110 |
| NEO |
- |
| M1 |
6.800 |
| K1 |
12.500 |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2002-03-25.0000000 |
| e |
0.99616717 |
| q (au) |
4.406416 |
| a (au) |
1149.649515 |
| i (deg) |
107.255502 |
| Ω (om, deg) |
115.230514 |
| ω (w, deg) |
85.715141 |
| M (ma, deg) |
359.996545 |
等級
散乱 + 全体線形
$$
M_a = (4.267 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
4.267 |
| n |
6.000 |
| gf |
0.999 |
| gb |
-0.994 |
| k |
1.000 |
| 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 |
19:07:48.11 |
-68:23:19.0 |
HIP 94150 |
11.65 |
| 2026-03-26 12:00 |
19:07:49.43 |
-68:23:51.0 |
HIP 94150 |
11.45 |
| 2026-03-27 00:00 |
19:07:50.69 |
-68:24:23.0 |
HIP 94150 |
11.27 |
| 2026-03-27 12:00 |
19:07:51.88 |
-68:24:55.1 |
HIP 94150 |
11.12 |
| 2026-03-28 00:00 |
19:07:53.01 |
-68:25:27.3 |
HIP 94150 |
11.00 |
| 2026-03-28 12:00 |
19:07:54.08 |
-68:25:59.6 |
HIP 94150 |
10.91 |
| 2026-03-29 00:00 |
19:07:55.08 |
-68:26:31.9 |
HIP 94150 |
10.85 |
| 2026-03-29 12:00 |
19:07:56.02 |
-68:27:04.3 |
HIP 94150 |
10.83 |
| 2026-03-30 00:00 |
19:07:56.89 |
-68:27:36.8 |
HIP 94150 |
10.85 |
| 2026-03-30 12:00 |
19:07:57.71 |
-68:28:09.3 |
HIP 94150 |
10.89 |
| 2026-03-31 00:00 |
19:07:58.45 |
-68:28:41.9 |
HIP 94150 |
10.97 |
| 2026-03-31 12:00 |
19:07:59.14 |
-68:29:14.6 |
HIP 94150 |
11.08 |
| 2026-04-01 00:00 |
19:07:59.75 |
-68:29:47.3 |
HIP 94150 |
11.23 |
| 2026-04-01 12:00 |
19:08:00.31 |
-68:30:20.0 |
HIP 94150 |
11.40 |
| 2026-04-02 00:00 |
19:08:00.80 |
-68:30:52.9 |
HIP 94150 |
11.60 |
| 2026-04-02 12:00 |
19:08:01.22 |
-68:31:25.8 |
HIP 94150 |
11.83 |
| 2026-04-03 00:00 |
19:08:01.58 |
-68:31:58.7 |
HIP 94150 |
12.09 |
| 2026-04-03 12:00 |
19:08:01.88 |
-68:32:31.7 |
HIP 94150 |
12.37 |
| 2026-04-04 00:00 |
19:08:02.11 |
-68:33:04.7 |
HIP 94150 |
12.68 |
| 2026-04-04 12:00 |
19:08:02.27 |
-68:33:37.8 |
HIP 94150 |
13.00 |
| 2026-04-05 00:00 |
19:08:02.37 |
-68:34:10.9 |
HIP 94150 |
13.35 |
| 2026-04-05 12:00 |
19:08:02.40 |
-68:34:44.0 |
HIP 94150 |
13.71 |
| 2026-04-06 00:00 |
19:08:02.37 |
-68:35:17.2 |
HIP 94150 |
14.09 |
| 2026-04-06 12:00 |
19:08:02.28 |
-68:35:50.4 |
HIP 94150 |
14.49 |
| 2026-04-07 00:00 |
19:08:02.11 |
-68:36:23.7 |
HIP 94150 |
14.90 |
| 2026-04-07 12:00 |
19:08:01.88 |
-68:36:57.0 |
HIP 94150 |
15.32 |
| 2026-04-08 00:00 |
19:08:01.59 |
-68:37:30.3 |
HIP 93953 |
15.57 |
| 2026-04-08 12:00 |
19:08:01.23 |
-68:38:03.7 |
HIP 93953 |
15.01 |
| 2026-04-09 00:00 |
19:08:00.80 |
-68:38:37.0 |
HIP 93953 |
14.45 |
| 2026-04-09 12:00 |
19:08:00.31 |
-68:39:10.4 |
HIP 93953 |
13.90 |
| 2026-04-10 00:00 |
19:07:59.75 |
-68:39:43.9 |
HIP 93953 |
13.34 |
| 2026-04-10 12:00 |
19:07:59.13 |
-68:40:17.3 |
HIP 93953 |
12.78 |
| 2026-04-11 00:00 |
19:07:58.44 |
-68:40:50.7 |
HIP 93953 |
12.22 |
| 2026-04-11 12:00 |
19:07:57.68 |
-68:41:24.2 |
HIP 93953 |
11.65 |
| 2026-04-12 00:00 |
19:07:56.85 |
-68:41:57.7 |
HIP 93953 |
11.09 |
| 2026-04-12 12:00 |
19:07:55.96 |
-68:42:31.2 |
HIP 93953 |
10.53 |
| 2026-04-13 00:00 |
19:07:55.00 |
-68:43:04.7 |
HIP 93953 |
9.97 |
| 2026-04-13 12:00 |
19:07:53.98 |
-68:43:38.2 |
HIP 93953 |
9.40 |
| 2026-04-14 00:00 |
19:07:52.89 |
-68:44:11.7 |
HIP 93953 |
8.84 |
| 2026-04-14 12:00 |
19:07:51.73 |
-68:44:45.2 |
HIP 93953 |
8.28 |
| 2026-04-15 00:00 |
19:07:50.51 |
-68:45:18.6 |
HIP 93953 |
7.71 |
| 2026-04-15 12:00 |
19:07:49.21 |
-68:45:52.1 |
HIP 93953 |
7.15 |
| 2026-04-16 00:00 |
19:07:47.86 |
-68:46:25.6 |
HIP 93953 |
6.59 |