メタデータ
| 項目 |
値 |
| Designation |
C/2006 M1 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2007-02-13T22:08:12.292800Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:58Z |
| Obs used |
629 |
| NEO |
- |
| M1 |
9.400 |
| K1 |
9.250 |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2006-12-24.0000000 |
| e |
0.97685593 |
| q (au) |
3.556199 |
| a (au) |
153.654849 |
| i (deg) |
54.876917 |
| Ω (om, deg) |
231.615075 |
| ω (w, deg) |
122.894200 |
| M (ma, deg) |
359.973132 |
等級
散乱 + 全体線形
$$
M_a = (10.193 + 3.771\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
10.193 |
| n |
3.771 |
| gf |
0.999 |
| gb |
-0.525 |
| k |
0.800 |
| δ90 |
9.895 |
| 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 |
08:12:27.64 |
-35:32:52.4 |
HIP 40225 |
10.84 |
| 2026-07-29 12:00 |
08:12:31.67 |
-35:33:03.4 |
HIP 40225 |
10.61 |
| 2026-07-30 00:00 |
08:12:35.70 |
-35:33:14.7 |
HIP 40225 |
10.44 |
| 2026-07-30 12:00 |
08:12:39.72 |
-35:33:26.4 |
HIP 40225 |
10.34 |
| 2026-07-31 00:00 |
08:12:43.74 |
-35:33:38.3 |
HIP 40225 |
10.32 |
| 2026-07-31 12:00 |
08:12:47.75 |
-35:33:50.6 |
HIP 40225 |
10.37 |
| 2026-08-01 00:00 |
08:12:51.76 |
-35:34:03.2 |
HIP 40225 |
10.49 |
| 2026-08-01 12:00 |
08:12:55.77 |
-35:34:16.1 |
HIP 40225 |
10.69 |
| 2026-08-02 00:00 |
08:12:59.77 |
-35:34:29.3 |
HIP 40225 |
10.95 |
| 2026-08-02 12:00 |
08:13:03.77 |
-35:34:42.8 |
HIP 40225 |
11.27 |
| 2026-08-03 00:00 |
08:13:07.77 |
-35:34:56.6 |
HIP 40225 |
11.65 |
| 2026-08-03 12:00 |
08:13:11.75 |
-35:35:10.8 |
HIP 40225 |
12.08 |
| 2026-08-04 00:00 |
08:13:15.74 |
-35:35:25.2 |
HIP 40225 |
12.56 |
| 2026-08-04 12:00 |
08:13:19.71 |
-35:35:39.9 |
HIP 40344 |
12.57 |
| 2026-08-05 00:00 |
08:13:23.68 |
-35:35:55.0 |
HIP 40344 |
12.01 |
| 2026-08-05 12:00 |
08:13:27.65 |
-35:36:10.3 |
HIP 40344 |
11.49 |
| 2026-08-06 00:00 |
08:13:31.61 |
-35:36:26.0 |
HIP 40344 |
11.01 |
| 2026-08-06 12:00 |
08:13:35.56 |
-35:36:42.0 |
HIP 40344 |
10.59 |
| 2026-08-07 00:00 |
08:13:39.50 |
-35:36:58.2 |
HIP 40344 |
10.22 |
| 2026-08-07 12:00 |
08:13:43.44 |
-35:37:14.8 |
HIP 40344 |
9.92 |
| 2026-08-08 00:00 |
08:13:47.37 |
-35:37:31.7 |
HIP 40344 |
9.68 |
| 2026-08-08 12:00 |
08:13:51.30 |
-35:37:48.8 |
HIP 40344 |
9.53 |
| 2026-08-09 00:00 |
08:13:55.21 |
-35:38:06.3 |
HIP 40344 |
9.45 |
| 2026-08-09 12:00 |
08:13:59.12 |
-35:38:24.1 |
HIP 40344 |
9.45 |
| 2026-08-10 00:00 |
08:14:03.02 |
-35:38:42.1 |
HIP 40344 |
9.53 |
| 2026-08-10 12:00 |
08:14:06.91 |
-35:39:00.5 |
HIP 40344 |
9.69 |
| 2026-08-11 00:00 |
08:14:10.79 |
-35:39:19.2 |
HIP 40407 |
9.54 |
| 2026-08-11 12:00 |
08:14:14.66 |
-35:39:38.1 |
HIP 40407 |
8.71 |
| 2026-08-12 00:00 |
08:14:18.53 |
-35:39:57.4 |
HIP 40407 |
7.87 |
| 2026-08-12 12:00 |
08:14:22.38 |
-35:40:16.9 |
HIP 40407 |
7.05 |
| 2026-08-13 00:00 |
08:14:26.22 |
-35:40:36.7 |
HIP 40407 |
6.23 |
| 2026-08-13 12:00 |
08:14:30.06 |
-35:40:56.9 |
HIP 40407 |
5.43 |
| 2026-08-14 00:00 |
08:14:33.88 |
-35:41:17.3 |
HIP 40407 |
4.64 |
| 2026-08-14 12:00 |
08:14:37.69 |
-35:41:38.0 |
HIP 40407 |
3.87 |
| 2026-08-15 00:00 |
08:14:41.49 |
-35:41:59.0 |
HIP 40407 |
3.16 |
| 2026-08-15 12:00 |
08:14:45.29 |
-35:42:20.3 |
HIP 40407 |
2.53 |
| 2026-08-16 00:00 |
08:14:49.06 |
-35:42:41.8 |
HIP 40407 |
2.07 |
| 2026-08-16 12:00 |
08:14:52.83 |
-35:43:03.7 |
HIP 40407 |
1.90 |
| 2026-08-17 00:00 |
08:14:56.59 |
-35:43:25.8 |
HIP 40407 |
2.10 |
| 2026-08-17 12:00 |
08:15:00.33 |
-35:43:48.2 |
HIP 40407 |
2.58 |
| 2026-08-18 00:00 |
08:15:04.06 |
-35:44:10.9 |
HIP 40407 |
3.22 |
| 2026-08-18 12:00 |
08:15:07.78 |
-35:44:33.8 |
HIP 40407 |
3.94 |
| 2026-08-19 00:00 |
08:15:11.49 |
-35:44:57.0 |
HIP 40407 |
4.70 |