59P/Kearns-Kwee
メタデータ
| 項目 |
値 |
| Designation |
59P/Kearns-Kwee |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2009-03-09T14:55:59.799360Z |
| Orbit solution date (soln_date, UTC) |
2023-01-17T10:14:13Z |
| Obs used |
1270 |
| NEO |
- |
| M1 |
10.400 |
| K1 |
15.250 |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2013-11-04.0000000 |
| e |
0.47637823 |
| q (au) |
2.351607 |
| a (au) |
4.491041 |
| i (deg) |
9.342961 |
| Ω (om, deg) |
312.860215 |
| ω (w, deg) |
127.745466 |
| M (ma, deg) |
176.087692 |
等級
散乱 + 全体線形
$$
M_a = (9.845 + 5.712\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
9.845 |
| n |
5.712 |
| gf |
1.000 |
| gb |
-0.974 |
| 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) |
| 2026-02-03 00:00 |
20:47:35.19 |
-18:30:04.0 |
HIP 102587 |
7.77 |
| 2026-02-03 12:00 |
20:48:02.14 |
-18:28:00.3 |
HIP 102587 |
13.12 |
| 2026-02-04 00:00 |
20:48:29.07 |
-18:25:56.5 |
HIP 102685 |
13.86 |
| 2026-02-04 12:00 |
20:48:56.00 |
-18:23:52.4 |
HIP 102685 |
13.76 |
| 2026-02-05 00:00 |
20:49:22.93 |
-18:21:48.0 |
HIP 102685 |
16.64 |
| 2026-02-05 12:00 |
20:49:49.85 |
-18:19:43.4 |
HIP 102780 |
18.91 |
| 2026-02-06 00:00 |
20:50:16.76 |
-18:17:38.6 |
HIP 102780 |
20.46 |
| 2026-02-06 12:00 |
20:50:43.67 |
-18:15:33.5 |
HIP 102780 |
23.87 |
| 2026-02-07 00:00 |
20:51:10.56 |
-18:13:28.2 |
HIP 102780 |
28.49 |
| 2026-02-07 12:00 |
20:51:37.45 |
-18:11:22.7 |
HIP 102780 |
33.82 |
| 2026-02-08 00:00 |
20:52:04.33 |
-18:09:16.9 |
HIP 102780 |
39.57 |
| 2026-02-08 12:00 |
20:52:31.19 |
-18:07:10.9 |
HIP 103226 |
34.57 |
| 2026-02-09 00:00 |
20:52:58.05 |
-18:05:04.7 |
HIP 103226 |
27.85 |
| 2026-02-09 12:00 |
20:53:24.89 |
-18:02:58.3 |
HIP 103226 |
21.14 |
| 2026-02-10 00:00 |
20:53:51.72 |
-18:00:51.6 |
HIP 103226 |
14.43 |
| 2026-02-10 12:00 |
20:54:18.54 |
-17:58:44.8 |
HIP 103226 |
7.75 |
| 2026-02-11 00:00 |
20:54:45.34 |
-17:56:37.7 |
HIP 103226 |
1.39 |
| 2026-02-11 12:00 |
20:55:12.13 |
-17:54:30.4 |
HIP 103226 |
5.84 |
| 2026-02-12 00:00 |
20:55:38.90 |
-17:52:22.9 |
HIP 103226 |
12.51 |
| 2026-02-12 12:00 |
20:56:05.66 |
-17:50:15.2 |
HIP 103436 |
18.20 |
| 2026-02-13 00:00 |
20:56:32.40 |
-17:48:07.3 |
HIP 103436 |
12.10 |
| 2026-02-13 12:00 |
20:56:59.12 |
-17:45:59.2 |
HIP 103436 |
7.18 |
| 2026-02-14 00:00 |
20:57:25.83 |
-17:43:51.0 |
HIP 103436 |
6.83 |
| 2026-02-14 12:00 |
20:57:52.51 |
-17:41:42.5 |
HIP 103436 |
11.48 |
| 2026-02-15 00:00 |
20:58:19.18 |
-17:39:33.8 |
HIP 103436 |
17.52 |
| 2026-02-15 12:00 |
20:58:45.82 |
-17:37:25.0 |
HIP 103618 |
15.72 |
| 2026-02-16 00:00 |
20:59:12.44 |
-17:35:16.0 |
HIP 103618 |
9.58 |
| 2026-02-16 12:00 |
20:59:39.04 |
-17:33:06.8 |
HIP 103618 |
5.12 |
| 2026-02-17 00:00 |
21:00:05.62 |
-17:30:57.4 |
HIP 103618 |
7.09 |
| 2026-02-17 12:00 |
21:00:32.17 |
-17:28:47.9 |
HIP 103703 |
5.58 |
| 2026-02-18 00:00 |
21:00:58.70 |
-17:26:38.2 |
HIP 103703 |
5.47 |
| 2026-02-18 12:00 |
21:01:25.21 |
-17:24:28.3 |
HIP 103703 |
10.86 |
| 2026-02-19 00:00 |
21:01:51.69 |
-17:22:18.3 |
HIP 103825 |
8.13 |
| 2026-02-19 12:00 |
21:02:18.14 |
-17:20:08.2 |
HIP 103825 |
1.77 |
| 2026-02-20 00:00 |
21:02:44.56 |
-17:17:57.9 |
HIP 103825 |
5.41 |
| 2026-02-20 12:00 |
21:03:10.96 |
-17:15:47.4 |
HIP 103825 |
12.01 |
| 2026-02-21 00:00 |
21:03:37.32 |
-17:13:36.8 |
HIP 103920 |
15.08 |
| 2026-02-21 12:00 |
21:04:03.66 |
-17:11:26.1 |
HIP 104059 |
18.60 |
| 2026-02-22 00:00 |
21:04:29.96 |
-17:09:15.2 |
HIP 104059 |
13.31 |
| 2026-02-22 12:00 |
21:04:56.24 |
-17:07:04.2 |
HIP 104059 |
9.85 |
| 2026-02-23 00:00 |
21:05:22.48 |
-17:04:53.1 |
HIP 104059 |
10.25 |
| 2026-02-23 12:00 |
21:05:48.69 |
-17:02:41.9 |
HIP 104139 |
11.43 |
| 2026-02-24 00:00 |
21:06:14.87 |
-17:00:30.5 |
HIP 104139 |
14.13 |