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 |
-0.998 |
| 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) |
| 2026-07-29 00:00 |
18:46:11.14 |
-69:46:25.6 |
HIP 92192 |
13.99 |
| 2026-07-29 12:00 |
18:46:03.74 |
-69:46:17.2 |
HIP 92192 |
14.40 |
| 2026-07-30 00:00 |
18:45:56.38 |
-69:46:08.5 |
HIP 92192 |
14.82 |
| 2026-07-30 12:00 |
18:45:49.05 |
-69:45:59.6 |
HIP 92192 |
15.27 |
| 2026-07-31 00:00 |
18:45:41.75 |
-69:45:50.4 |
HIP 92192 |
15.73 |
| 2026-07-31 12:00 |
18:45:34.49 |
-69:45:41.0 |
HIP 92192 |
16.21 |
| 2026-08-01 00:00 |
18:45:27.27 |
-69:45:31.3 |
HIP 92192 |
16.69 |
| 2026-08-01 12:00 |
18:45:20.07 |
-69:45:21.4 |
HIP 92192 |
17.19 |
| 2026-08-02 00:00 |
18:45:12.92 |
-69:45:11.2 |
HIP 92192 |
17.71 |
| 2026-08-02 12:00 |
18:45:05.80 |
-69:45:00.8 |
HIP 92192 |
18.23 |
| 2026-08-03 00:00 |
18:44:58.71 |
-69:44:50.1 |
HIP 92192 |
18.75 |
| 2026-08-03 12:00 |
18:44:51.67 |
-69:44:39.2 |
HIP 92192 |
19.29 |
| 2026-08-04 00:00 |
18:44:44.66 |
-69:44:28.0 |
HIP 92192 |
19.83 |
| 2026-08-04 12:00 |
18:44:37.69 |
-69:44:16.6 |
HIP 92192 |
20.38 |
| 2026-08-05 00:00 |
18:44:30.75 |
-69:44:05.0 |
HIP 92192 |
20.94 |
| 2026-08-05 12:00 |
18:44:23.86 |
-69:43:53.1 |
HIP 92192 |
21.50 |
| 2026-08-06 00:00 |
18:44:17.01 |
-69:43:40.9 |
HIP 92192 |
22.06 |
| 2026-08-06 12:00 |
18:44:10.20 |
-69:43:28.6 |
HIP 91760 |
21.68 |
| 2026-08-07 00:00 |
18:44:03.43 |
-69:43:15.9 |
HIP 91760 |
21.28 |
| 2026-08-07 12:00 |
18:43:56.70 |
-69:43:03.1 |
HIP 91760 |
20.88 |
| 2026-08-08 00:00 |
18:43:50.01 |
-69:42:50.0 |
HIP 91760 |
20.50 |
| 2026-08-08 12:00 |
18:43:43.37 |
-69:42:36.7 |
HIP 91760 |
20.12 |
| 2026-08-09 00:00 |
18:43:36.77 |
-69:42:23.1 |
HIP 91760 |
19.76 |
| 2026-08-09 12:00 |
18:43:30.21 |
-69:42:09.4 |
HIP 91760 |
19.40 |
| 2026-08-10 00:00 |
18:43:23.70 |
-69:41:55.3 |
HIP 91760 |
19.06 |
| 2026-08-10 12:00 |
18:43:17.23 |
-69:41:41.1 |
HIP 91760 |
18.72 |
| 2026-08-11 00:00 |
18:43:10.81 |
-69:41:26.6 |
HIP 91760 |
18.40 |
| 2026-08-11 12:00 |
18:43:04.43 |
-69:41:11.9 |
HIP 91760 |
18.09 |
| 2026-08-12 00:00 |
18:42:58.10 |
-69:40:57.0 |
HIP 91760 |
17.79 |
| 2026-08-12 12:00 |
18:42:51.82 |
-69:40:41.9 |
HIP 91760 |
17.50 |
| 2026-08-13 00:00 |
18:42:45.58 |
-69:40:26.5 |
HIP 91760 |
17.22 |
| 2026-08-13 12:00 |
18:42:39.40 |
-69:40:10.9 |
HIP 91760 |
16.96 |
| 2026-08-14 00:00 |
18:42:33.26 |
-69:39:55.1 |
HIP 91760 |
16.71 |
| 2026-08-14 12:00 |
18:42:27.17 |
-69:39:39.1 |
HIP 91760 |
16.48 |
| 2026-08-15 00:00 |
18:42:21.13 |
-69:39:22.9 |
HIP 91760 |
16.26 |
| 2026-08-15 12:00 |
18:42:15.14 |
-69:39:06.5 |
HIP 91760 |
16.06 |
| 2026-08-16 00:00 |
18:42:09.20 |
-69:38:49.8 |
HIP 91760 |
15.87 |
| 2026-08-16 12:00 |
18:42:03.31 |
-69:38:33.0 |
HIP 91760 |
15.69 |
| 2026-08-17 00:00 |
18:41:57.47 |
-69:38:15.9 |
HIP 91760 |
15.53 |
| 2026-08-17 12:00 |
18:41:51.69 |
-69:37:58.7 |
HIP 91760 |
15.39 |
| 2026-08-18 00:00 |
18:41:45.95 |
-69:37:41.2 |
HIP 91760 |
15.27 |
| 2026-08-18 12:00 |
18:41:40.27 |
-69:37:23.5 |
HIP 91760 |
15.16 |
| 2026-08-19 00:00 |
18:41:34.64 |
-69:37:05.7 |
HIP 91760 |
15.06 |