メタデータ
| 項目 |
値 |
| Designation |
203P/Korlevic |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2010-02-09T01:12:32.045760Z |
| Orbit solution date (soln_date, UTC) |
2025-01-02T20:12:48Z |
| Obs used |
1174 |
| NEO |
- |
| M1 |
12.900 |
| K1 |
6.500 |
| PC |
- |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2012-02-04.0000000 |
| e |
0.31604886 |
| q (au) |
3.183032 |
| a (au) |
4.653888 |
| i (deg) |
2.973799 |
| Ω (om, deg) |
290.519023 |
| ω (w, deg) |
154.727921 |
| M (ma, deg) |
71.168526 |
等級
散乱 + 全体線形
$$
M_a = (7.830 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
7.830 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.888 |
| k |
1.000 |
| δ90 |
9.997 |
| 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
ファインディングチャート
天体暦
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-03-26 00:00 |
19:44:44.34 |
-21:30:51.3 |
HIP 97301 |
24.67 |
| 2026-03-26 12:00 |
19:44:58.13 |
-21:30:13.0 |
HIP 97301 |
21.49 |
| 2026-03-27 00:00 |
19:45:11.79 |
-21:29:34.9 |
HIP 97301 |
18.37 |
| 2026-03-27 12:00 |
19:45:25.31 |
-21:28:57.1 |
HIP 97301 |
15.33 |
| 2026-03-28 00:00 |
19:45:38.70 |
-21:28:19.5 |
HIP 97301 |
12.40 |
| 2026-03-28 12:00 |
19:45:51.96 |
-21:27:42.2 |
HIP 97301 |
9.66 |
| 2026-03-29 00:00 |
19:46:05.09 |
-21:27:05.1 |
HIP 97301 |
7.28 |
| 2026-03-29 12:00 |
19:46:18.09 |
-21:26:28.3 |
HIP 97301 |
5.68 |
| 2026-03-30 00:00 |
19:46:30.95 |
-21:25:51.8 |
HIP 97301 |
5.52 |
| 2026-03-30 12:00 |
19:46:43.68 |
-21:25:15.5 |
HIP 97301 |
6.86 |
| 2026-03-31 00:00 |
19:46:56.27 |
-21:24:39.5 |
HIP 97301 |
9.03 |
| 2026-03-31 12:00 |
19:47:08.72 |
-21:24:03.7 |
HIP 97301 |
11.54 |
| 2026-04-01 00:00 |
19:47:21.04 |
-21:23:28.3 |
HIP 97301 |
14.19 |
| 2026-04-01 12:00 |
19:47:33.23 |
-21:22:53.1 |
HIP 97427 |
16.71 |
| 2026-04-02 00:00 |
19:47:45.27 |
-21:22:18.2 |
HIP 97427 |
15.13 |
| 2026-04-02 12:00 |
19:47:57.18 |
-21:21:43.6 |
HIP 97427 |
13.98 |
| 2026-04-03 00:00 |
19:48:08.94 |
-21:21:09.3 |
HIP 97427 |
13.33 |
| 2026-04-03 12:00 |
19:48:20.57 |
-21:20:35.3 |
HIP 97427 |
13.26 |
| 2026-04-04 00:00 |
19:48:32.06 |
-21:20:01.6 |
HIP 97427 |
13.74 |
| 2026-04-04 12:00 |
19:48:43.40 |
-21:19:28.1 |
HIP 97427 |
14.71 |
| 2026-04-05 00:00 |
19:48:54.60 |
-21:18:55.0 |
HIP 97427 |
16.06 |
| 2026-04-05 12:00 |
19:49:05.66 |
-21:18:22.2 |
HIP 97427 |
17.69 |
| 2026-04-06 00:00 |
19:49:16.58 |
-21:17:49.7 |
HIP 97588 |
18.12 |
| 2026-04-06 12:00 |
19:49:27.35 |
-21:17:17.6 |
HIP 97588 |
17.02 |
| 2026-04-07 00:00 |
19:49:37.97 |
-21:16:45.7 |
HIP 97588 |
16.26 |
| 2026-04-07 12:00 |
19:49:48.46 |
-21:16:14.2 |
HIP 97588 |
15.88 |
| 2026-04-08 00:00 |
19:49:58.79 |
-21:15:43.0 |
HIP 97588 |
15.88 |
| 2026-04-08 12:00 |
19:50:08.98 |
-21:15:12.1 |
HIP 97588 |
16.26 |
| 2026-04-09 00:00 |
19:50:19.01 |
-21:14:41.6 |
HIP 97588 |
16.97 |
| 2026-04-09 12:00 |
19:50:28.90 |
-21:14:11.4 |
HIP 97588 |
17.95 |
| 2026-04-10 00:00 |
19:50:38.64 |
-21:13:41.5 |
HIP 97588 |
19.16 |
| 2026-04-10 12:00 |
19:50:48.23 |
-21:13:12.0 |
HIP 97588 |
20.54 |
| 2026-04-11 00:00 |
19:50:57.67 |
-21:12:42.9 |
HIP 97588 |
22.04 |
| 2026-04-11 12:00 |
19:51:06.96 |
-21:12:14.0 |
HIP 97588 |
23.64 |
| 2026-04-12 00:00 |
19:51:16.09 |
-21:11:45.6 |
HIP 97836 |
23.80 |
| 2026-04-12 12:00 |
19:51:25.07 |
-21:11:17.5 |
HIP 97836 |
21.67 |
| 2026-04-13 00:00 |
19:51:33.90 |
-21:10:49.8 |
HIP 97836 |
19.58 |
| 2026-04-13 12:00 |
19:51:42.57 |
-21:10:22.4 |
HIP 97836 |
17.53 |
| 2026-04-14 00:00 |
19:51:51.09 |
-21:09:55.4 |
HIP 97836 |
15.52 |
| 2026-04-14 12:00 |
19:51:59.45 |
-21:09:28.8 |
HIP 97836 |
13.55 |
| 2026-04-15 00:00 |
19:52:07.65 |
-21:09:02.6 |
HIP 97836 |
11.63 |
| 2026-04-15 12:00 |
19:52:15.69 |
-21:08:36.7 |
HIP 97836 |
9.76 |
| 2026-04-16 00:00 |
19:52:23.58 |
-21:08:11.3 |
HIP 97836 |
7.96 |