メタデータ
| 項目 |
値 |
| Designation |
C/2003 S3 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2003-04-10T12:54:00.440640Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:31Z |
| Obs used |
122 |
| NEO |
- |
| M1 |
6.700 |
| 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) |
2003-10-21.0000000 |
| e |
1.00180553 |
| q (au) |
8.129525 |
| a (au) |
-4502.566031 |
| i (deg) |
151.497754 |
| Ω (om, deg) |
226.388802 |
| ω (w, deg) |
154.570171 |
| M (ma, deg) |
0.000631 |
等級
散乱 + 全体線形
$$
M_a = (0.591 + 5.968\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
0.591 |
| n |
5.968 |
| gf |
1.000 |
| gb |
-1.000 |
| 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
天体暦
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-05-12 00:00 |
21:14:22.07 |
-45:41:06.2 |
HIP 104838 |
5.93 |
| 2026-05-12 12:00 |
21:14:21.31 |
-45:41:30.7 |
HIP 104838 |
5.50 |
| 2026-05-13 00:00 |
21:14:20.51 |
-45:41:55.3 |
HIP 104838 |
5.08 |
| 2026-05-13 12:00 |
21:14:19.68 |
-45:42:20.0 |
HIP 104838 |
4.65 |
| 2026-05-14 00:00 |
21:14:18.81 |
-45:42:44.7 |
HIP 104838 |
4.23 |
| 2026-05-14 12:00 |
21:14:17.90 |
-45:43:09.5 |
HIP 104838 |
3.80 |
| 2026-05-15 00:00 |
21:14:16.96 |
-45:43:34.5 |
HIP 104838 |
3.38 |
| 2026-05-15 12:00 |
21:14:15.99 |
-45:43:59.4 |
HIP 104838 |
2.97 |
| 2026-05-16 00:00 |
21:14:14.98 |
-45:44:24.5 |
HIP 104838 |
2.56 |
| 2026-05-16 12:00 |
21:14:13.93 |
-45:44:49.7 |
HIP 104838 |
2.18 |
| 2026-05-17 00:00 |
21:14:12.85 |
-45:45:14.9 |
HIP 104838 |
1.83 |
| 2026-05-17 12:00 |
21:14:11.73 |
-45:45:40.2 |
HIP 104838 |
1.55 |
| 2026-05-18 00:00 |
21:14:10.58 |
-45:46:05.6 |
HIP 104838 |
1.37 |
| 2026-05-18 12:00 |
21:14:09.39 |
-45:46:31.0 |
HIP 104838 |
1.34 |
| 2026-05-19 00:00 |
21:14:08.17 |
-45:46:56.5 |
HIP 104838 |
1.48 |
| 2026-05-19 12:00 |
21:14:06.91 |
-45:47:22.1 |
HIP 104838 |
1.75 |
| 2026-05-20 00:00 |
21:14:05.61 |
-45:47:47.7 |
HIP 104838 |
2.10 |
| 2026-05-20 12:00 |
21:14:04.28 |
-45:48:13.4 |
HIP 104838 |
2.50 |
| 2026-05-21 00:00 |
21:14:02.92 |
-45:48:39.2 |
HIP 104838 |
2.94 |
| 2026-05-21 12:00 |
21:14:01.52 |
-45:49:05.0 |
HIP 104838 |
3.39 |
| 2026-05-22 00:00 |
21:14:00.09 |
-45:49:30.8 |
HIP 104838 |
3.86 |
| 2026-05-22 12:00 |
21:13:58.62 |
-45:49:56.8 |
HIP 104838 |
4.34 |
| 2026-05-23 00:00 |
21:13:57.12 |
-45:50:22.7 |
HIP 104838 |
4.83 |
| 2026-05-23 12:00 |
21:13:55.58 |
-45:50:48.8 |
HIP 104838 |
5.33 |
| 2026-05-24 00:00 |
21:13:54.01 |
-45:51:14.8 |
HIP 104838 |
5.83 |
| 2026-05-24 12:00 |
21:13:52.40 |
-45:51:40.9 |
HIP 104838 |
6.34 |
| 2026-05-25 00:00 |
21:13:50.76 |
-45:52:07.1 |
HIP 104838 |
6.86 |
| 2026-05-25 12:00 |
21:13:49.09 |
-45:52:33.3 |
HIP 104838 |
7.38 |
| 2026-05-26 00:00 |
21:13:47.38 |
-45:52:59.5 |
HIP 104838 |
7.91 |
| 2026-05-26 12:00 |
21:13:45.63 |
-45:53:25.8 |
HIP 104838 |
8.44 |
| 2026-05-27 00:00 |
21:13:43.86 |
-45:53:52.1 |
HIP 104838 |
8.97 |
| 2026-05-27 12:00 |
21:13:42.04 |
-45:54:18.4 |
HIP 104838 |
9.51 |
| 2026-05-28 00:00 |
21:13:40.20 |
-45:54:44.8 |
HIP 104838 |
10.05 |
| 2026-05-28 12:00 |
21:13:38.32 |
-45:55:11.2 |
HIP 104838 |
10.60 |
| 2026-05-29 00:00 |
21:13:36.41 |
-45:55:37.6 |
HIP 104838 |
11.15 |
| 2026-05-29 12:00 |
21:13:34.46 |
-45:56:04.1 |
HIP 104838 |
11.71 |
| 2026-05-30 00:00 |
21:13:32.48 |
-45:56:30.6 |
HIP 104838 |
12.27 |
| 2026-05-30 12:00 |
21:13:30.47 |
-45:56:57.1 |
HIP 104838 |
12.83 |
| 2026-05-31 00:00 |
21:13:28.42 |
-45:57:23.6 |
HIP 104838 |
13.40 |
| 2026-05-31 12:00 |
21:13:26.35 |
-45:57:50.2 |
HIP 104838 |
13.97 |
| 2026-06-01 00:00 |
21:13:24.23 |
-45:58:16.7 |
HIP 104838 |
14.54 |
| 2026-06-01 12:00 |
21:13:22.09 |
-45:58:43.3 |
HIP 104838 |
15.12 |
| 2026-06-02 00:00 |
21:13:19.91 |
-45:59:09.9 |
HIP 104838 |
15.71 |