メタデータ
| 項目 |
値 |
| Designation |
C/2011 M1 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2011-09-07T13:44:21.122880Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:52Z |
| Obs used |
109 |
| NEO |
- |
| M1 |
12.300 |
| K1 |
18.250 |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2011-07-02.0000000 |
| e |
1.00267426 |
| q (au) |
0.895753 |
| a (au) |
-334.952908 |
| i (deg) |
70.183172 |
| Ω (om, deg) |
324.795673 |
| ω (w, deg) |
119.568947 |
| M (ma, deg) |
-0.010864 |
等級
散乱 + 全体線形
$$
M_a = (13.255 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
13.255 |
| n |
6.000 |
| 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
残差 (区間線形)
$$\epsilon = a \log_{10} r_{\mathrm{au}} + b$$
| 開始日 (UTC) |
終了日 (UTC) |
a |
b |
| 2011-06-22 |
2011-07-13 |
+34.0421 |
-6.777 |
| 2011-07-13 |
2011-09-07 |
+17.3304 |
-3.287 |
log10 r = log10(太陽距離/AU)、Δ = 地球距離(AU)
天体暦
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
08:23:02.31 |
-86:24:25.8 |
HIP 40951 |
2.35 |
| 2026-06-01 12:00 |
08:23:34.42 |
-86:23:44.8 |
HIP 40951 |
2.30 |
| 2026-06-02 00:00 |
08:24:06.69 |
-86:23:04.0 |
HIP 40951 |
2.55 |
| 2026-06-02 12:00 |
08:24:39.13 |
-86:22:23.3 |
HIP 40951 |
3.04 |
| 2026-06-03 00:00 |
08:25:11.73 |
-86:21:42.8 |
HIP 40951 |
3.66 |
| 2026-06-03 12:00 |
08:25:44.48 |
-86:21:02.5 |
HIP 40951 |
4.37 |
| 2026-06-04 00:00 |
08:26:17.39 |
-86:20:22.4 |
HIP 40951 |
5.12 |
| 2026-06-04 12:00 |
08:26:50.45 |
-86:19:42.4 |
HIP 40951 |
5.90 |
| 2026-06-05 00:00 |
08:27:23.67 |
-86:19:02.7 |
HIP 40951 |
6.70 |
| 2026-06-05 12:00 |
08:27:57.03 |
-86:18:23.1 |
HIP 40951 |
7.52 |
| 2026-06-06 00:00 |
08:28:30.54 |
-86:17:43.7 |
HIP 40951 |
8.34 |
| 2026-06-06 12:00 |
08:29:04.19 |
-86:17:04.4 |
HIP 40951 |
9.17 |
| 2026-06-07 00:00 |
08:29:37.98 |
-86:16:25.4 |
HIP 40951 |
10.00 |
| 2026-06-07 12:00 |
08:30:11.92 |
-86:15:46.5 |
HIP 40951 |
10.84 |
| 2026-06-08 00:00 |
08:30:45.99 |
-86:15:07.8 |
HIP 40951 |
11.68 |
| 2026-06-08 12:00 |
08:31:20.20 |
-86:14:29.3 |
HIP 40951 |
12.53 |
| 2026-06-09 00:00 |
08:31:54.55 |
-86:13:51.0 |
HIP 40951 |
13.37 |
| 2026-06-09 12:00 |
08:32:29.02 |
-86:13:12.9 |
HIP 40951 |
14.22 |
| 2026-06-10 00:00 |
08:33:03.63 |
-86:12:34.9 |
HIP 40951 |
15.07 |
| 2026-06-10 12:00 |
08:33:38.37 |
-86:11:57.2 |
HIP 40951 |
15.92 |
| 2026-06-11 00:00 |
08:34:13.23 |
-86:11:19.6 |
HIP 40951 |
16.77 |
| 2026-06-11 12:00 |
08:34:48.22 |
-86:10:42.3 |
HIP 40951 |
17.62 |
| 2026-06-12 00:00 |
08:35:23.33 |
-86:10:05.1 |
HIP 40951 |
18.47 |
| 2026-06-12 12:00 |
08:35:58.56 |
-86:09:28.2 |
HIP 40951 |
19.33 |
| 2026-06-13 00:00 |
08:36:33.91 |
-86:08:51.4 |
HIP 40951 |
20.18 |
| 2026-06-13 12:00 |
08:37:09.38 |
-86:08:14.8 |
HIP 40951 |
21.03 |
| 2026-06-14 00:00 |
08:37:44.96 |
-86:07:38.5 |
HIP 40951 |
21.89 |
| 2026-06-14 12:00 |
08:38:20.65 |
-86:07:02.3 |
HIP 40951 |
22.74 |
| 2026-06-15 00:00 |
08:38:56.46 |
-86:06:26.3 |
HIP 40951 |
23.59 |
| 2026-06-15 12:00 |
08:39:32.38 |
-86:05:50.6 |
HIP 40951 |
24.44 |
| 2026-06-16 00:00 |
08:40:08.40 |
-86:05:15.1 |
HIP 40951 |
25.30 |
| 2026-06-16 12:00 |
08:40:44.53 |
-86:04:39.7 |
HIP 40951 |
26.15 |
| 2026-06-17 00:00 |
08:41:20.77 |
-86:04:04.6 |
HIP 44020 |
26.06 |
| 2026-06-17 12:00 |
08:41:57.10 |
-86:03:29.7 |
HIP 44020 |
25.21 |
| 2026-06-18 00:00 |
08:42:33.53 |
-86:02:55.0 |
HIP 44020 |
24.36 |
| 2026-06-18 12:00 |
08:43:10.06 |
-86:02:20.5 |
HIP 44020 |
23.51 |
| 2026-06-19 00:00 |
08:43:46.69 |
-86:01:46.2 |
HIP 44020 |
22.66 |
| 2026-06-19 12:00 |
08:44:23.41 |
-86:01:12.2 |
HIP 44020 |
21.81 |
| 2026-06-20 00:00 |
08:45:00.22 |
-86:00:38.3 |
HIP 44020 |
20.96 |
| 2026-06-20 12:00 |
08:45:37.12 |
-86:00:04.7 |
HIP 44020 |
20.11 |
| 2026-06-21 00:00 |
08:46:14.11 |
-85:59:31.3 |
HIP 44020 |
19.26 |
| 2026-06-21 12:00 |
08:46:51.18 |
-85:58:58.1 |
HIP 44020 |
18.42 |
| 2026-06-22 00:00 |
08:47:28.34 |
-85:58:25.1 |
HIP 44020 |
17.58 |