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) |
| 2026-07-29 00:00 |
19:25:00.68 |
-21:51:57.4 |
HIP 95417 |
13.20 |
| 2026-07-29 12:00 |
19:24:45.13 |
-21:52:22.4 |
HIP 95417 |
11.56 |
| 2026-07-30 00:00 |
19:24:29.64 |
-21:52:47.1 |
HIP 95417 |
10.93 |
| 2026-07-30 12:00 |
19:24:14.23 |
-21:53:11.7 |
HIP 95417 |
11.46 |
| 2026-07-31 00:00 |
19:23:58.89 |
-21:53:36.0 |
HIP 95417 |
13.00 |
| 2026-07-31 12:00 |
19:23:43.63 |
-21:54:00.1 |
HIP 95417 |
15.22 |
| 2026-08-01 00:00 |
19:23:28.45 |
-21:54:23.9 |
HIP 95417 |
17.87 |
| 2026-08-01 12:00 |
19:23:13.35 |
-21:54:47.5 |
HIP 95215 |
16.50 |
| 2026-08-02 00:00 |
19:22:58.33 |
-21:55:10.9 |
HIP 95215 |
13.55 |
| 2026-08-02 12:00 |
19:22:43.40 |
-21:55:34.0 |
HIP 95215 |
10.96 |
| 2026-08-03 00:00 |
19:22:28.55 |
-21:55:56.9 |
HIP 95215 |
8.99 |
| 2026-08-03 12:00 |
19:22:13.80 |
-21:56:19.5 |
HIP 95215 |
8.11 |
| 2026-08-04 00:00 |
19:21:59.13 |
-21:56:41.9 |
HIP 95215 |
8.61 |
| 2026-08-04 12:00 |
19:21:44.56 |
-21:57:04.0 |
HIP 95215 |
10.28 |
| 2026-08-05 00:00 |
19:21:30.09 |
-21:57:25.9 |
HIP 95215 |
12.65 |
| 2026-08-05 12:00 |
19:21:15.71 |
-21:57:47.5 |
HIP 95215 |
15.38 |
| 2026-08-06 00:00 |
19:21:01.44 |
-21:58:08.8 |
HIP 95215 |
18.29 |
| 2026-08-06 12:00 |
19:20:47.26 |
-21:58:29.9 |
HIP 95215 |
21.30 |
| 2026-08-07 00:00 |
19:20:33.19 |
-21:58:50.8 |
HIP 94919 |
24.07 |
| 2026-08-07 12:00 |
19:20:19.23 |
-21:59:11.3 |
HIP 94919 |
20.90 |
| 2026-08-08 00:00 |
19:20:05.38 |
-21:59:31.6 |
HIP 94919 |
17.78 |
| 2026-08-08 12:00 |
19:19:51.64 |
-21:59:51.7 |
HIP 94919 |
14.73 |
| 2026-08-09 00:00 |
19:19:38.01 |
-22:00:11.4 |
HIP 94919 |
11.78 |
| 2026-08-09 12:00 |
19:19:24.50 |
-22:00:30.9 |
HIP 94919 |
9.02 |
| 2026-08-10 00:00 |
19:19:11.10 |
-22:00:50.1 |
HIP 94919 |
6.64 |
| 2026-08-10 12:00 |
19:18:57.82 |
-22:01:09.1 |
HIP 94919 |
5.13 |
| 2026-08-11 00:00 |
19:18:44.67 |
-22:01:27.7 |
HIP 94919 |
5.26 |
| 2026-08-11 12:00 |
19:18:31.64 |
-22:01:46.1 |
HIP 94919 |
6.89 |
| 2026-08-12 00:00 |
19:18:18.73 |
-22:02:04.2 |
HIP 94919 |
9.23 |
| 2026-08-12 12:00 |
19:18:05.95 |
-22:02:22.0 |
HIP 94919 |
11.85 |
| 2026-08-13 00:00 |
19:17:53.30 |
-22:02:39.5 |
HIP 94919 |
14.58 |
| 2026-08-13 12:00 |
19:17:40.79 |
-22:02:56.7 |
HIP 94919 |
17.35 |
| 2026-08-14 00:00 |
19:17:28.40 |
-22:03:13.7 |
HIP 94784 |
18.28 |
| 2026-08-14 12:00 |
19:17:16.15 |
-22:03:30.3 |
HIP 94784 |
18.14 |
| 2026-08-15 00:00 |
19:17:04.04 |
-22:03:46.7 |
HIP 94784 |
18.44 |
| 2026-08-15 12:00 |
19:16:52.07 |
-22:04:02.7 |
HIP 94784 |
19.15 |
| 2026-08-16 00:00 |
19:16:40.23 |
-22:04:18.5 |
HIP 94784 |
20.20 |
| 2026-08-16 12:00 |
19:16:28.54 |
-22:04:34.0 |
HIP 94784 |
21.53 |
| 2026-08-17 00:00 |
19:16:16.99 |
-22:04:49.1 |
HIP 94784 |
23.09 |
| 2026-08-17 12:00 |
19:16:05.59 |
-22:05:04.0 |
HIP 94784 |
24.82 |
| 2026-08-18 00:00 |
19:15:54.33 |
-22:05:18.6 |
HIP 94510 |
24.51 |
| 2026-08-18 12:00 |
19:15:43.22 |
-22:05:32.9 |
HIP 94510 |
21.97 |
| 2026-08-19 00:00 |
19:15:32.26 |
-22:05:46.8 |
HIP 94510 |
19.46 |