メタデータ
| 項目 |
値 |
| Designation |
C/2000 S3 (LONEOS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2000-07-16T07:19:31.595520Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:06Z |
| Obs used |
33 |
| NEO |
- |
| M1 |
7.000 |
| K1 |
21.750 |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2000-10-24.0000000 |
| e |
0.77228725 |
| q (au) |
2.662232 |
| a (au) |
11.691185 |
| i (deg) |
25.164344 |
| Ω (om, deg) |
41.153195 |
| ω (w, deg) |
298.271387 |
| M (ma, deg) |
2.458039 |
等級
散乱 + 全体線形
$$
M_a = (16.319 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
16.319 |
| n |
2.000 |
| gf |
0.997 |
| gb |
-0.587 |
| 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 |
11:57:45.89 |
+21:36:46.9 |
HIP 58383 |
12.37 |
| 2026-05-12 12:00 |
11:57:42.61 |
+21:36:35.6 |
HIP 58383 |
12.99 |
| 2026-05-13 00:00 |
11:57:39.37 |
+21:36:23.9 |
HIP 58383 |
13.63 |
| 2026-05-13 12:00 |
11:57:36.17 |
+21:36:11.8 |
HIP 58383 |
14.28 |
| 2026-05-14 00:00 |
11:57:33.02 |
+21:35:59.3 |
HIP 58383 |
14.95 |
| 2026-05-14 12:00 |
11:57:29.91 |
+21:35:46.4 |
HIP 58383 |
15.61 |
| 2026-05-15 00:00 |
11:57:26.85 |
+21:35:33.1 |
HIP 58383 |
16.29 |
| 2026-05-15 12:00 |
11:57:23.82 |
+21:35:19.4 |
HIP 58383 |
16.96 |
| 2026-05-16 00:00 |
11:57:20.85 |
+21:35:05.3 |
HIP 58383 |
17.64 |
| 2026-05-16 12:00 |
11:57:17.92 |
+21:34:50.8 |
HIP 58383 |
18.31 |
| 2026-05-17 00:00 |
11:57:15.03 |
+21:34:35.9 |
HIP 58383 |
18.99 |
| 2026-05-17 12:00 |
11:57:12.19 |
+21:34:20.6 |
HIP 58383 |
19.66 |
| 2026-05-18 00:00 |
11:57:09.40 |
+21:34:04.9 |
HIP 58383 |
20.34 |
| 2026-05-18 12:00 |
11:57:06.65 |
+21:33:48.8 |
HIP 58383 |
21.01 |
| 2026-05-19 00:00 |
11:57:03.95 |
+21:33:32.4 |
HIP 58383 |
21.67 |
| 2026-05-19 12:00 |
11:57:01.29 |
+21:33:15.5 |
HIP 58383 |
22.34 |
| 2026-05-20 00:00 |
11:56:58.68 |
+21:32:58.3 |
HIP 58161 |
22.80 |
| 2026-05-20 12:00 |
11:56:56.12 |
+21:32:40.7 |
HIP 58161 |
22.15 |
| 2026-05-21 00:00 |
11:56:53.60 |
+21:32:22.6 |
HIP 58161 |
21.50 |
| 2026-05-21 12:00 |
11:56:51.13 |
+21:32:04.3 |
HIP 58161 |
20.86 |
| 2026-05-22 00:00 |
11:56:48.71 |
+21:31:45.5 |
HIP 58161 |
20.23 |
| 2026-05-22 12:00 |
11:56:46.33 |
+21:31:26.3 |
HIP 58161 |
19.60 |
| 2026-05-23 00:00 |
11:56:44.00 |
+21:31:06.8 |
HIP 58161 |
18.97 |
| 2026-05-23 12:00 |
11:56:41.72 |
+21:30:46.9 |
HIP 58161 |
18.35 |
| 2026-05-24 00:00 |
11:56:39.49 |
+21:30:26.7 |
HIP 58161 |
17.74 |
| 2026-05-24 12:00 |
11:56:37.30 |
+21:30:06.0 |
HIP 58161 |
17.13 |
| 2026-05-25 00:00 |
11:56:35.17 |
+21:29:45.0 |
HIP 58161 |
16.53 |
| 2026-05-25 12:00 |
11:56:33.08 |
+21:29:23.6 |
HIP 58161 |
15.93 |
| 2026-05-26 00:00 |
11:56:31.03 |
+21:29:01.9 |
HIP 58161 |
15.33 |
| 2026-05-26 12:00 |
11:56:29.04 |
+21:28:39.8 |
HIP 58161 |
14.74 |
| 2026-05-27 00:00 |
11:56:27.09 |
+21:28:17.3 |
HIP 58161 |
14.15 |
| 2026-05-27 12:00 |
11:56:25.20 |
+21:27:54.5 |
HIP 58161 |
13.57 |
| 2026-05-28 00:00 |
11:56:23.35 |
+21:27:31.4 |
HIP 58161 |
12.99 |
| 2026-05-28 12:00 |
11:56:21.55 |
+21:27:07.8 |
HIP 58161 |
12.42 |
| 2026-05-29 00:00 |
11:56:19.79 |
+21:26:43.9 |
HIP 58161 |
11.85 |
| 2026-05-29 12:00 |
11:56:18.09 |
+21:26:19.7 |
HIP 58161 |
11.28 |
| 2026-05-30 00:00 |
11:56:16.43 |
+21:25:55.1 |
HIP 58161 |
10.72 |
| 2026-05-30 12:00 |
11:56:14.83 |
+21:25:30.2 |
HIP 58161 |
10.17 |
| 2026-05-31 00:00 |
11:56:13.27 |
+21:25:04.9 |
HIP 58161 |
9.62 |
| 2026-05-31 12:00 |
11:56:11.76 |
+21:24:39.3 |
HIP 58161 |
9.08 |
| 2026-06-01 00:00 |
11:56:10.30 |
+21:24:13.4 |
HIP 58161 |
8.54 |
| 2026-06-01 12:00 |
11:56:08.89 |
+21:23:47.1 |
HIP 58161 |
8.01 |
| 2026-06-02 00:00 |
11:56:07.53 |
+21:23:20.5 |
HIP 58161 |
7.49 |