C/2006 M1 (LINEAR)
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
$$
M_a = (10.194 + 3.771\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
10.194 |
| n |
3.771 |
| gf |
0.999 |
| gb |
-0.525 |
| 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) |
| 2026-02-03 00:00 |
08:08:21.14 |
-37:57:48.7 |
HIP 39866 |
17.25 |
| 2026-02-03 12:00 |
08:08:17.32 |
-37:57:34.2 |
HIP 39866 |
17.17 |
| 2026-02-04 00:00 |
08:08:13.52 |
-37:57:19.4 |
HIP 39866 |
17.12 |
| 2026-02-04 12:00 |
08:08:09.72 |
-37:57:04.2 |
HIP 39866 |
17.11 |
| 2026-02-05 00:00 |
08:08:05.94 |
-37:56:48.6 |
HIP 39866 |
17.12 |
| 2026-02-05 12:00 |
08:08:02.17 |
-37:56:32.7 |
HIP 39866 |
17.17 |
| 2026-02-06 00:00 |
08:07:58.40 |
-37:56:16.5 |
HIP 39866 |
17.24 |
| 2026-02-06 12:00 |
08:07:54.65 |
-37:55:59.8 |
HIP 39866 |
17.34 |
| 2026-02-07 00:00 |
08:07:50.92 |
-37:55:42.9 |
HIP 39866 |
17.48 |
| 2026-02-07 12:00 |
08:07:47.19 |
-37:55:25.6 |
HIP 39866 |
17.64 |
| 2026-02-08 00:00 |
08:07:43.47 |
-37:55:07.9 |
HIP 39866 |
17.83 |
| 2026-02-08 12:00 |
08:07:39.77 |
-37:54:49.9 |
HIP 39866 |
18.04 |
| 2026-02-09 00:00 |
08:07:36.08 |
-37:54:31.5 |
HIP 39866 |
18.28 |
| 2026-02-09 12:00 |
08:07:32.41 |
-37:54:12.8 |
HIP 39866 |
18.55 |
| 2026-02-10 00:00 |
08:07:28.75 |
-37:53:53.8 |
HIP 39866 |
18.84 |
| 2026-02-10 12:00 |
08:07:25.10 |
-37:53:34.4 |
HIP 39866 |
19.15 |
| 2026-02-11 00:00 |
08:07:21.47 |
-37:53:14.7 |
HIP 39866 |
19.48 |
| 2026-02-11 12:00 |
08:07:17.85 |
-37:52:54.6 |
HIP 39866 |
19.84 |
| 2026-02-12 00:00 |
08:07:14.25 |
-37:52:34.2 |
HIP 39866 |
20.21 |
| 2026-02-12 12:00 |
08:07:10.66 |
-37:52:13.5 |
HIP 39866 |
20.60 |
| 2026-02-13 00:00 |
08:07:07.09 |
-37:51:52.4 |
HIP 39866 |
21.01 |
| 2026-02-13 12:00 |
08:07:03.53 |
-37:51:31.0 |
HIP 39866 |
21.43 |
| 2026-02-14 00:00 |
08:07:00.00 |
-37:51:09.3 |
HIP 39866 |
21.87 |
| 2026-02-14 12:00 |
08:06:56.47 |
-37:50:47.2 |
HIP 39866 |
22.32 |
| 2026-02-15 00:00 |
08:06:52.96 |
-37:50:24.9 |
HIP 39866 |
22.78 |
| 2026-02-15 12:00 |
08:06:49.47 |
-37:50:02.2 |
HIP 39866 |
23.26 |
| 2026-02-16 00:00 |
08:06:46.00 |
-37:49:39.2 |
HIP 39866 |
23.75 |
| 2026-02-16 12:00 |
08:06:42.55 |
-37:49:15.8 |
HIP 39866 |
24.25 |
| 2026-02-17 00:00 |
08:06:39.12 |
-37:48:52.2 |
HIP 39866 |
24.76 |
| 2026-02-17 12:00 |
08:06:35.70 |
-37:48:28.2 |
HIP 39866 |
25.28 |
| 2026-02-18 00:00 |
08:06:32.30 |
-37:48:04.0 |
HIP 39763 |
25.51 |
| 2026-02-18 12:00 |
08:06:28.93 |
-37:47:39.4 |
HIP 39763 |
25.51 |
| 2026-02-19 00:00 |
08:06:25.57 |
-37:47:14.5 |
HIP 39763 |
25.53 |
| 2026-02-19 12:00 |
08:06:22.23 |
-37:46:49.3 |
HIP 39763 |
25.56 |
| 2026-02-20 00:00 |
08:06:18.91 |
-37:46:23.9 |
HIP 39763 |
25.62 |
| 2026-02-20 12:00 |
08:06:15.62 |
-37:45:58.1 |
HIP 39763 |
25.69 |
| 2026-02-21 00:00 |
08:06:12.34 |
-37:45:32.0 |
HIP 39763 |
25.78 |
| 2026-02-21 12:00 |
08:06:09.08 |
-37:45:05.7 |
HIP 39763 |
25.89 |
| 2026-02-22 00:00 |
08:06:05.85 |
-37:44:39.0 |
HIP 39763 |
26.01 |
| 2026-02-22 12:00 |
08:06:02.64 |
-37:44:12.1 |
HIP 39763 |
26.15 |
| 2026-02-23 00:00 |
08:05:59.45 |
-37:43:44.8 |
HIP 39763 |
26.31 |
| 2026-02-23 12:00 |
08:05:56.28 |
-37:43:17.3 |
HIP 39763 |
26.48 |
| 2026-02-24 00:00 |
08:05:53.13 |
-37:42:49.6 |
HIP 39763 |
26.66 |