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) |
| 2026-05-12 00:00 |
08:03:50.60 |
-36:07:30.4 |
HIP 39498 |
8.86 |
| 2026-05-12 12:00 |
08:03:52.34 |
-36:06:56.4 |
HIP 39498 |
8.24 |
| 2026-05-13 00:00 |
08:03:54.11 |
-36:06:22.5 |
HIP 39498 |
7.62 |
| 2026-05-13 12:00 |
08:03:55.90 |
-36:05:48.8 |
HIP 39498 |
7.00 |
| 2026-05-14 00:00 |
08:03:57.73 |
-36:05:15.3 |
HIP 39498 |
6.39 |
| 2026-05-14 12:00 |
08:03:59.59 |
-36:04:42.0 |
HIP 39498 |
5.80 |
| 2026-05-15 00:00 |
08:04:01.47 |
-36:04:08.9 |
HIP 39498 |
5.21 |
| 2026-05-15 12:00 |
08:04:03.39 |
-36:03:36.0 |
HIP 39498 |
4.65 |
| 2026-05-16 00:00 |
08:04:05.33 |
-36:03:03.3 |
HIP 39498 |
4.11 |
| 2026-05-16 12:00 |
08:04:07.31 |
-36:02:30.8 |
HIP 39498 |
3.61 |
| 2026-05-17 00:00 |
08:04:09.31 |
-36:01:58.6 |
HIP 39498 |
3.17 |
| 2026-05-17 12:00 |
08:04:11.34 |
-36:01:26.5 |
HIP 39498 |
2.82 |
| 2026-05-18 00:00 |
08:04:13.40 |
-36:00:54.6 |
HIP 39498 |
2.59 |
| 2026-05-18 12:00 |
08:04:15.49 |
-36:00:22.9 |
HIP 39498 |
2.51 |
| 2026-05-19 00:00 |
08:04:17.60 |
-35:59:51.5 |
HIP 39498 |
2.62 |
| 2026-05-19 12:00 |
08:04:19.75 |
-35:59:20.3 |
HIP 39498 |
2.87 |
| 2026-05-20 00:00 |
08:04:21.92 |
-35:58:49.3 |
HIP 39498 |
3.25 |
| 2026-05-20 12:00 |
08:04:24.12 |
-35:58:18.5 |
HIP 39498 |
3.70 |
| 2026-05-21 00:00 |
08:04:26.35 |
-35:57:47.9 |
HIP 39498 |
4.22 |
| 2026-05-21 12:00 |
08:04:28.60 |
-35:57:17.6 |
HIP 39498 |
4.77 |
| 2026-05-22 00:00 |
08:04:30.88 |
-35:56:47.5 |
HIP 39498 |
5.35 |
| 2026-05-22 12:00 |
08:04:33.19 |
-35:56:17.6 |
HIP 39498 |
5.95 |
| 2026-05-23 00:00 |
08:04:35.52 |
-35:55:47.9 |
HIP 39498 |
6.56 |
| 2026-05-23 12:00 |
08:04:37.88 |
-35:55:18.5 |
HIP 39498 |
7.19 |
| 2026-05-24 00:00 |
08:04:40.27 |
-35:54:49.3 |
HIP 39498 |
7.82 |
| 2026-05-24 12:00 |
08:04:42.69 |
-35:54:20.4 |
HIP 39498 |
8.46 |
| 2026-05-25 00:00 |
08:04:45.13 |
-35:53:51.7 |
HIP 39498 |
9.11 |
| 2026-05-25 12:00 |
08:04:47.59 |
-35:53:23.2 |
HIP 39498 |
9.76 |
| 2026-05-26 00:00 |
08:04:50.08 |
-35:52:55.0 |
HIP 39498 |
10.41 |
| 2026-05-26 12:00 |
08:04:52.60 |
-35:52:27.0 |
HIP 39498 |
11.07 |
| 2026-05-27 00:00 |
08:04:55.14 |
-35:51:59.3 |
HIP 39498 |
11.73 |
| 2026-05-27 12:00 |
08:04:57.71 |
-35:51:31.8 |
HIP 39498 |
12.40 |
| 2026-05-28 00:00 |
08:05:00.30 |
-35:51:04.5 |
HIP 39498 |
13.06 |
| 2026-05-28 12:00 |
08:05:02.91 |
-35:50:37.5 |
HIP 39498 |
13.73 |
| 2026-05-29 00:00 |
08:05:05.55 |
-35:50:10.8 |
HIP 39498 |
14.40 |
| 2026-05-29 12:00 |
08:05:08.22 |
-35:49:44.3 |
HIP 39498 |
15.07 |
| 2026-05-30 00:00 |
08:05:10.91 |
-35:49:18.0 |
HIP 39498 |
15.74 |
| 2026-05-30 12:00 |
08:05:13.62 |
-35:48:52.1 |
HIP 39498 |
16.42 |
| 2026-05-31 00:00 |
08:05:16.35 |
-35:48:26.3 |
HIP 39498 |
17.10 |
| 2026-05-31 12:00 |
08:05:19.11 |
-35:48:00.8 |
HIP 39498 |
17.77 |
| 2026-06-01 00:00 |
08:05:21.90 |
-35:47:35.6 |
HIP 39498 |
18.45 |
| 2026-06-01 12:00 |
08:05:24.70 |
-35:47:10.7 |
HIP 39498 |
19.13 |
| 2026-06-02 00:00 |
08:05:27.53 |
-35:46:46.0 |
HIP 39498 |
19.82 |