203P/Korlevic
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) |
| 2026-02-03 00:00 |
19:12:13.40 |
-22:45:44.4 |
HIP 94494 |
26.17 |
| 2026-02-03 12:00 |
19:12:36.43 |
-22:45:00.9 |
HIP 94494 |
21.73 |
| 2026-02-04 00:00 |
19:12:59.41 |
-22:44:17.3 |
HIP 94494 |
17.82 |
| 2026-02-04 12:00 |
19:13:22.34 |
-22:43:33.5 |
HIP 94494 |
14.84 |
| 2026-02-05 00:00 |
19:13:45.21 |
-22:42:49.7 |
HIP 94494 |
13.41 |
| 2026-02-05 12:00 |
19:14:08.04 |
-22:42:05.7 |
HIP 94494 |
14.00 |
| 2026-02-06 00:00 |
19:14:30.80 |
-22:41:21.6 |
HIP 94494 |
16.39 |
| 2026-02-06 12:00 |
19:14:53.52 |
-22:40:37.5 |
HIP 94494 |
19.92 |
| 2026-02-07 00:00 |
19:15:16.17 |
-22:39:53.2 |
HIP 94494 |
24.10 |
| 2026-02-07 12:00 |
19:15:38.77 |
-22:39:08.8 |
HIP 94494 |
28.63 |
| 2026-02-08 00:00 |
19:16:01.32 |
-22:38:24.3 |
HIP 94821 |
27.86 |
| 2026-02-08 12:00 |
19:16:23.80 |
-22:37:39.8 |
HIP 94821 |
24.38 |
| 2026-02-09 00:00 |
19:16:46.23 |
-22:36:55.1 |
HIP 94821 |
21.62 |
| 2026-02-09 12:00 |
19:17:08.60 |
-22:36:10.4 |
HIP 94821 |
19.88 |
| 2026-02-10 00:00 |
19:17:30.90 |
-22:35:25.5 |
HIP 94821 |
19.43 |
| 2026-02-10 12:00 |
19:17:53.15 |
-22:34:40.6 |
HIP 94821 |
20.34 |
| 2026-02-11 00:00 |
19:18:15.33 |
-22:33:55.6 |
HIP 94821 |
22.44 |
| 2026-02-11 12:00 |
19:18:37.45 |
-22:33:10.6 |
HIP 94821 |
25.42 |
| 2026-02-12 00:00 |
19:18:59.51 |
-22:32:25.4 |
HIP 95077 |
24.24 |
| 2026-02-12 12:00 |
19:19:21.50 |
-22:31:40.2 |
HIP 95077 |
19.24 |
| 2026-02-13 00:00 |
19:19:43.43 |
-22:30:54.9 |
HIP 95077 |
14.34 |
| 2026-02-13 12:00 |
19:20:05.29 |
-22:30:09.6 |
HIP 95077 |
9.68 |
| 2026-02-14 00:00 |
19:20:27.09 |
-22:29:24.2 |
HIP 95077 |
5.84 |
| 2026-02-14 12:00 |
19:20:48.81 |
-22:28:38.8 |
HIP 95077 |
5.12 |
| 2026-02-15 00:00 |
19:21:10.47 |
-22:27:53.3 |
HIP 95077 |
8.35 |
| 2026-02-15 12:00 |
19:21:32.06 |
-22:27:07.7 |
HIP 95077 |
12.81 |
| 2026-02-16 00:00 |
19:21:53.58 |
-22:26:22.1 |
HIP 95077 |
17.57 |
| 2026-02-16 12:00 |
19:22:15.02 |
-22:25:36.5 |
HIP 95215 |
21.19 |
| 2026-02-17 00:00 |
19:22:36.40 |
-22:24:50.8 |
HIP 95215 |
20.98 |
| 2026-02-17 12:00 |
19:22:57.70 |
-22:24:05.1 |
HIP 95215 |
21.95 |
| 2026-02-18 00:00 |
19:23:18.93 |
-22:23:19.4 |
HIP 95215 |
23.92 |
| 2026-02-18 12:00 |
19:23:40.08 |
-22:22:33.6 |
HIP 95417 |
22.69 |
| 2026-02-19 00:00 |
19:24:01.16 |
-22:21:47.8 |
HIP 95417 |
19.69 |
| 2026-02-19 12:00 |
19:24:22.16 |
-22:21:02.0 |
HIP 95417 |
17.60 |
| 2026-02-20 00:00 |
19:24:43.08 |
-22:20:16.1 |
HIP 95516 |
15.51 |
| 2026-02-20 12:00 |
19:25:03.93 |
-22:19:30.3 |
HIP 95516 |
11.85 |
| 2026-02-21 00:00 |
19:25:24.69 |
-22:18:44.4 |
HIP 95516 |
9.40 |
| 2026-02-21 12:00 |
19:25:45.38 |
-22:17:58.6 |
HIP 95516 |
9.13 |
| 2026-02-22 00:00 |
19:26:05.99 |
-22:17:12.7 |
HIP 95516 |
11.18 |
| 2026-02-22 12:00 |
19:26:26.52 |
-22:16:26.8 |
HIP 95516 |
14.60 |
| 2026-02-23 00:00 |
19:26:46.96 |
-22:15:41.0 |
HIP 95516 |
18.62 |
| 2026-02-23 12:00 |
19:27:07.32 |
-22:14:55.1 |
HIP 95516 |
22.92 |
| 2026-02-24 00:00 |
19:27:27.60 |
-22:14:09.3 |
HIP 95516 |
27.36 |