メタデータ
| 項目 |
値 |
| Designation |
C/2006 S3 (LONEOS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2012-04-16T07:55:48.486720Z |
| Orbit solution date (soln_date, UTC) |
2022-06-07T21:43:59Z |
| Obs used |
5568 |
| NEO |
- |
| M1 |
6.100 |
| K1 |
7.250 |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2012-04-22.0000000 |
| e |
1.00351612 |
| q (au) |
5.131152 |
| a (au) |
-1459.323142 |
| i (deg) |
166.032677 |
| Ω (om, deg) |
38.370869 |
| ω (w, deg) |
140.130175 |
| M (ma, deg) |
0.000100 |
等級
散乱 + 全体線形
$$
M_a = (5.516 + 2.867\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
5.516 |
| n |
2.867 |
| gf |
0.999 |
| gb |
-0.973 |
| 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 |
| 2006-08-29 |
2012-04-16 |
-1.6792 |
+1.675 |
| 2012-04-16 |
2020-11-24 |
+2.1626 |
-2.252 |
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) |
| 2026-03-26 00:00 |
08:23:08.27 |
+04:44:10.4 |
HIP 41032 |
19.67 |
| 2026-03-26 12:00 |
08:23:05.80 |
+04:44:33.2 |
HIP 41032 |
19.02 |
| 2026-03-27 00:00 |
08:23:03.38 |
+04:44:56.0 |
HIP 41032 |
18.39 |
| 2026-03-27 12:00 |
08:23:00.98 |
+04:45:18.7 |
HIP 41032 |
17.77 |
| 2026-03-28 00:00 |
08:22:58.62 |
+04:45:41.4 |
HIP 41032 |
17.17 |
| 2026-03-28 12:00 |
08:22:56.29 |
+04:46:03.9 |
HIP 41032 |
16.57 |
| 2026-03-29 00:00 |
08:22:54.00 |
+04:46:26.5 |
HIP 41032 |
15.99 |
| 2026-03-29 12:00 |
08:22:51.74 |
+04:46:48.9 |
HIP 41032 |
15.42 |
| 2026-03-30 00:00 |
08:22:49.51 |
+04:47:11.3 |
HIP 41032 |
14.86 |
| 2026-03-30 12:00 |
08:22:47.32 |
+04:47:33.6 |
HIP 41032 |
14.31 |
| 2026-03-31 00:00 |
08:22:45.16 |
+04:47:55.8 |
HIP 41032 |
13.78 |
| 2026-03-31 12:00 |
08:22:43.04 |
+04:48:18.0 |
HIP 41032 |
13.27 |
| 2026-04-01 00:00 |
08:22:40.95 |
+04:48:40.1 |
HIP 41032 |
12.77 |
| 2026-04-01 12:00 |
08:22:38.89 |
+04:49:02.1 |
HIP 41032 |
12.28 |
| 2026-04-02 00:00 |
08:22:36.87 |
+04:49:24.0 |
HIP 41032 |
11.82 |
| 2026-04-02 12:00 |
08:22:34.88 |
+04:49:45.9 |
HIP 41032 |
11.36 |
| 2026-04-03 00:00 |
08:22:32.93 |
+04:50:07.7 |
HIP 41032 |
10.93 |
| 2026-04-03 12:00 |
08:22:31.01 |
+04:50:29.4 |
HIP 41032 |
10.52 |
| 2026-04-04 00:00 |
08:22:29.13 |
+04:50:51.0 |
HIP 41032 |
10.13 |
| 2026-04-04 12:00 |
08:22:27.28 |
+04:51:12.5 |
HIP 41032 |
9.76 |
| 2026-04-05 00:00 |
08:22:25.46 |
+04:51:33.9 |
HIP 41032 |
9.41 |
| 2026-04-05 12:00 |
08:22:23.68 |
+04:51:55.3 |
HIP 41032 |
9.09 |
| 2026-04-06 00:00 |
08:22:21.93 |
+04:52:16.6 |
HIP 41032 |
8.79 |
| 2026-04-06 12:00 |
08:22:20.22 |
+04:52:37.7 |
HIP 41032 |
8.52 |
| 2026-04-07 00:00 |
08:22:18.55 |
+04:52:58.8 |
HIP 41032 |
8.27 |
| 2026-04-07 12:00 |
08:22:16.90 |
+04:53:19.8 |
HIP 41032 |
8.05 |
| 2026-04-08 00:00 |
08:22:15.30 |
+04:53:40.7 |
HIP 41032 |
7.87 |
| 2026-04-08 12:00 |
08:22:13.73 |
+04:54:01.5 |
HIP 41032 |
7.71 |
| 2026-04-09 00:00 |
08:22:12.19 |
+04:54:22.2 |
HIP 41032 |
7.58 |
| 2026-04-09 12:00 |
08:22:10.69 |
+04:54:42.8 |
HIP 41032 |
7.48 |
| 2026-04-10 00:00 |
08:22:09.22 |
+04:55:03.4 |
HIP 41032 |
7.41 |
| 2026-04-10 12:00 |
08:22:07.79 |
+04:55:23.8 |
HIP 41032 |
7.37 |
| 2026-04-11 00:00 |
08:22:06.40 |
+04:55:44.1 |
HIP 41032 |
7.36 |
| 2026-04-11 12:00 |
08:22:05.03 |
+04:56:04.3 |
HIP 41032 |
7.37 |
| 2026-04-12 00:00 |
08:22:03.71 |
+04:56:24.4 |
HIP 41032 |
7.41 |
| 2026-04-12 12:00 |
08:22:02.42 |
+04:56:44.4 |
HIP 41032 |
7.48 |
| 2026-04-13 00:00 |
08:22:01.17 |
+04:57:04.3 |
HIP 41032 |
7.56 |
| 2026-04-13 12:00 |
08:21:59.95 |
+04:57:24.1 |
HIP 41032 |
7.66 |
| 2026-04-14 00:00 |
08:21:58.76 |
+04:57:43.8 |
HIP 41032 |
7.78 |
| 2026-04-14 12:00 |
08:21:57.62 |
+04:58:03.3 |
HIP 41032 |
7.92 |
| 2026-04-15 00:00 |
08:21:56.50 |
+04:58:22.8 |
HIP 41032 |
8.07 |
| 2026-04-15 12:00 |
08:21:55.43 |
+04:58:42.1 |
HIP 41032 |
8.23 |
| 2026-04-16 00:00 |
08:21:54.38 |
+04:59:01.4 |
HIP 41032 |
8.40 |