メタデータ
| 項目 |
値 |
| Designation |
C/2006 X1 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2006-03-05T17:06:21.522240Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:03Z |
| Obs used |
95 |
| NEO |
- |
| M1 |
6.900 |
| K1 |
10.000 |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2006-12-21.0000000 |
| e |
1.00000000 |
| q (au) |
6.126054 |
| a (au) |
- |
| i (deg) |
42.617795 |
| Ω (om, deg) |
255.242287 |
| ω (w, deg) |
101.283664 |
| M (ma, deg) |
- |
等級
散乱 + 全体線形
$$
M_a = (10.097 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
10.097 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.500 |
| 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) |
| 2026-05-12 00:00 |
07:34:39.50 |
-11:10:07.2 |
HIP 36865 |
2.80 |
| 2026-05-12 12:00 |
07:34:41.28 |
-11:09:50.7 |
HIP 36865 |
2.38 |
| 2026-05-13 00:00 |
07:34:43.08 |
-11:09:34.4 |
HIP 36865 |
2.00 |
| 2026-05-13 12:00 |
07:34:44.90 |
-11:09:18.2 |
HIP 36865 |
1.71 |
| 2026-05-14 00:00 |
07:34:46.75 |
-11:09:02.2 |
HIP 36865 |
1.55 |
| 2026-05-14 12:00 |
07:34:48.62 |
-11:08:46.3 |
HIP 36865 |
1.56 |
| 2026-05-15 00:00 |
07:34:50.51 |
-11:08:30.6 |
HIP 36865 |
1.75 |
| 2026-05-15 12:00 |
07:34:52.42 |
-11:08:15.1 |
HIP 36865 |
2.07 |
| 2026-05-16 00:00 |
07:34:54.36 |
-11:07:59.7 |
HIP 36865 |
2.47 |
| 2026-05-16 12:00 |
07:34:56.32 |
-11:07:44.6 |
HIP 36865 |
2.92 |
| 2026-05-17 00:00 |
07:34:58.30 |
-11:07:29.6 |
HIP 36865 |
3.41 |
| 2026-05-17 12:00 |
07:35:00.30 |
-11:07:14.7 |
HIP 36865 |
3.91 |
| 2026-05-18 00:00 |
07:35:02.32 |
-11:07:00.1 |
HIP 36865 |
4.43 |
| 2026-05-18 12:00 |
07:35:04.37 |
-11:06:45.6 |
HIP 36865 |
4.96 |
| 2026-05-19 00:00 |
07:35:06.43 |
-11:06:31.3 |
HIP 36865 |
5.51 |
| 2026-05-19 12:00 |
07:35:08.52 |
-11:06:17.1 |
HIP 36865 |
6.05 |
| 2026-05-20 00:00 |
07:35:10.63 |
-11:06:03.2 |
HIP 36865 |
6.61 |
| 2026-05-20 12:00 |
07:35:12.75 |
-11:05:49.4 |
HIP 36865 |
7.17 |
| 2026-05-21 00:00 |
07:35:14.90 |
-11:05:35.8 |
HIP 36865 |
7.74 |
| 2026-05-21 12:00 |
07:35:17.07 |
-11:05:22.4 |
HIP 36865 |
8.31 |
| 2026-05-22 00:00 |
07:35:19.26 |
-11:05:09.2 |
HIP 36865 |
8.89 |
| 2026-05-22 12:00 |
07:35:21.47 |
-11:04:56.2 |
HIP 36865 |
9.47 |
| 2026-05-23 00:00 |
07:35:23.70 |
-11:04:43.3 |
HIP 36865 |
10.06 |
| 2026-05-23 12:00 |
07:35:25.95 |
-11:04:30.6 |
HIP 36865 |
10.64 |
| 2026-05-24 00:00 |
07:35:28.22 |
-11:04:18.2 |
HIP 36865 |
11.24 |
| 2026-05-24 12:00 |
07:35:30.51 |
-11:04:05.9 |
HIP 36865 |
11.83 |
| 2026-05-25 00:00 |
07:35:32.81 |
-11:03:53.8 |
HIP 36865 |
12.44 |
| 2026-05-25 12:00 |
07:35:35.14 |
-11:03:41.8 |
HIP 36865 |
13.04 |
| 2026-05-26 00:00 |
07:35:37.48 |
-11:03:30.1 |
HIP 36865 |
13.65 |
| 2026-05-26 12:00 |
07:35:39.85 |
-11:03:18.6 |
HIP 36865 |
14.26 |
| 2026-05-27 00:00 |
07:35:42.23 |
-11:03:07.2 |
HIP 36865 |
14.87 |
| 2026-05-27 12:00 |
07:35:44.63 |
-11:02:56.0 |
HIP 36865 |
15.49 |
| 2026-05-28 00:00 |
07:35:47.05 |
-11:02:45.1 |
HIP 36865 |
16.11 |
| 2026-05-28 12:00 |
07:35:49.49 |
-11:02:34.3 |
HIP 36865 |
16.74 |
| 2026-05-29 00:00 |
07:35:51.94 |
-11:02:23.7 |
HIP 36865 |
17.36 |
| 2026-05-29 12:00 |
07:35:54.42 |
-11:02:13.3 |
HIP 36865 |
17.99 |
| 2026-05-30 00:00 |
07:35:56.91 |
-11:02:03.1 |
HIP 36865 |
18.63 |
| 2026-05-30 12:00 |
07:35:59.41 |
-11:01:53.1 |
HIP 36865 |
19.26 |
| 2026-05-31 00:00 |
07:36:01.94 |
-11:01:43.3 |
HIP 36865 |
19.90 |
| 2026-05-31 12:00 |
07:36:04.48 |
-11:01:33.7 |
HIP 36865 |
20.55 |
| 2026-06-01 00:00 |
07:36:07.04 |
-11:01:24.3 |
HIP 36865 |
21.19 |
| 2026-06-01 12:00 |
07:36:09.61 |
-11:01:15.1 |
HIP 36865 |
21.84 |
| 2026-06-02 00:00 |
07:36:12.21 |
-11:01:06.0 |
HIP 36865 |
22.50 |