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) |
| 2026-06-01 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 |
| 2026-06-02 12:00 |
21:13:17.70 |
-45:59:36.5 |
HIP 104838 |
16.29 |
| 2026-06-03 00:00 |
21:13:15.46 |
-46:00:03.1 |
HIP 104838 |
16.88 |
| 2026-06-03 12:00 |
21:13:13.18 |
-46:00:29.7 |
HIP 104838 |
17.48 |
| 2026-06-04 00:00 |
21:13:10.87 |
-46:00:56.3 |
HIP 104838 |
18.07 |
| 2026-06-04 12:00 |
21:13:08.53 |
-46:01:23.0 |
HIP 104838 |
18.67 |
| 2026-06-05 00:00 |
21:13:06.16 |
-46:01:49.6 |
HIP 104838 |
19.28 |
| 2026-06-05 12:00 |
21:13:03.75 |
-46:02:16.2 |
HIP 104838 |
19.89 |
| 2026-06-06 00:00 |
21:13:01.32 |
-46:02:42.9 |
HIP 104838 |
20.50 |
| 2026-06-06 12:00 |
21:12:58.85 |
-46:03:09.5 |
HIP 104838 |
21.11 |
| 2026-06-07 00:00 |
21:12:56.35 |
-46:03:36.1 |
HIP 104838 |
21.73 |
| 2026-06-07 12:00 |
21:12:53.81 |
-46:04:02.7 |
HIP 104838 |
22.35 |
| 2026-06-08 00:00 |
21:12:51.25 |
-46:04:29.3 |
HIP 104838 |
22.98 |
| 2026-06-08 12:00 |
21:12:48.65 |
-46:04:55.9 |
HIP 104838 |
23.61 |
| 2026-06-09 00:00 |
21:12:46.02 |
-46:05:22.5 |
HIP 104838 |
24.24 |
| 2026-06-09 12:00 |
21:12:43.37 |
-46:05:49.0 |
HIP 104838 |
24.88 |
| 2026-06-10 00:00 |
21:12:40.68 |
-46:06:15.6 |
HIP 104838 |
25.52 |
| 2026-06-10 12:00 |
21:12:37.96 |
-46:06:42.1 |
HIP 104838 |
26.16 |
| 2026-06-11 00:00 |
21:12:35.21 |
-46:07:08.6 |
HIP 104838 |
26.81 |
| 2026-06-11 12:00 |
21:12:32.42 |
-46:07:35.1 |
HIP 104838 |
27.46 |
| 2026-06-12 00:00 |
21:12:29.61 |
-46:08:01.5 |
HIP 104838 |
28.11 |
| 2026-06-12 12:00 |
21:12:26.77 |
-46:08:28.0 |
HIP 104838 |
28.77 |
| 2026-06-13 00:00 |
21:12:23.90 |
-46:08:54.4 |
HIP 104633 |
28.26 |
| 2026-06-13 12:00 |
21:12:20.99 |
-46:09:20.7 |
HIP 104633 |
27.71 |
| 2026-06-14 00:00 |
21:12:18.06 |
-46:09:47.1 |
HIP 104633 |
27.16 |
| 2026-06-14 12:00 |
21:12:15.10 |
-46:10:13.3 |
HIP 104633 |
26.62 |
| 2026-06-15 00:00 |
21:12:12.10 |
-46:10:39.6 |
HIP 104633 |
26.08 |
| 2026-06-15 12:00 |
21:12:09.08 |
-46:11:05.8 |
HIP 104633 |
25.55 |
| 2026-06-16 00:00 |
21:12:06.03 |
-46:11:32.0 |
HIP 104633 |
25.03 |
| 2026-06-16 12:00 |
21:12:02.95 |
-46:11:58.1 |
HIP 104633 |
24.51 |
| 2026-06-17 00:00 |
21:11:59.85 |
-46:12:24.2 |
HIP 104633 |
24.00 |
| 2026-06-17 12:00 |
21:11:56.71 |
-46:12:50.2 |
HIP 104633 |
23.50 |
| 2026-06-18 00:00 |
21:11:53.54 |
-46:13:16.2 |
HIP 104633 |
23.01 |
| 2026-06-18 12:00 |
21:11:50.35 |
-46:13:42.1 |
HIP 104633 |
22.54 |
| 2026-06-19 00:00 |
21:11:47.13 |
-46:14:07.9 |
HIP 104633 |
22.07 |
| 2026-06-19 12:00 |
21:11:43.88 |
-46:14:33.8 |
HIP 104633 |
21.62 |
| 2026-06-20 00:00 |
21:11:40.61 |
-46:14:59.5 |
HIP 104633 |
21.19 |
| 2026-06-20 12:00 |
21:11:37.30 |
-46:15:25.2 |
HIP 104633 |
20.77 |
| 2026-06-21 00:00 |
21:11:33.97 |
-46:15:50.8 |
HIP 104633 |
20.37 |
| 2026-06-21 12:00 |
21:11:30.62 |
-46:16:16.3 |
HIP 104633 |
19.99 |
| 2026-06-22 00:00 |
21:11:27.23 |
-46:16:41.8 |
HIP 104633 |
19.63 |