メタデータ
| 項目 |
値 |
| Designation |
192P/Shoemaker-Levy 1 |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2007-12-14T02:44:52.307520Z |
| Orbit solution date (soln_date, UTC) |
2025-03-06T13:42:28Z |
| Obs used |
200 |
| NEO |
- |
| M1 |
11.500 |
| K1 |
18.000 |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2014-08-19.0000000 |
| e |
0.77201142 |
| q (au) |
1.476460 |
| a (au) |
6.476025 |
| i (deg) |
24.543649 |
| Ω (om, deg) |
51.586767 |
| ω (w, deg) |
313.081833 |
| M (ma, deg) |
145.918634 |
等級
散乱 + 全体線形
$$
M_a = (11.581 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
11.581 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.500 |
| 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) |
| 2026-06-01 00:00 |
09:45:54.46 |
+38:14:40.4 |
HIP 47764 |
23.07 |
| 2026-06-01 12:00 |
09:46:06.54 |
+38:12:09.1 |
HIP 47803 |
25.10 |
| 2026-06-02 00:00 |
09:46:18.74 |
+38:09:37.8 |
HIP 47803 |
25.05 |
| 2026-06-02 12:00 |
09:46:31.06 |
+38:07:06.5 |
HIP 47803 |
25.50 |
| 2026-06-03 00:00 |
09:46:43.50 |
+38:04:35.2 |
HIP 47803 |
26.44 |
| 2026-06-03 12:00 |
09:46:56.06 |
+38:02:03.9 |
HIP 47803 |
27.81 |
| 2026-06-04 00:00 |
09:47:08.74 |
+37:59:32.6 |
HIP 48070 |
25.75 |
| 2026-06-04 12:00 |
09:47:21.53 |
+37:57:01.2 |
HIP 48070 |
22.50 |
| 2026-06-05 00:00 |
09:47:34.43 |
+37:54:29.9 |
HIP 48070 |
19.36 |
| 2026-06-05 12:00 |
09:47:47.46 |
+37:51:58.5 |
HIP 48070 |
16.40 |
| 2026-06-06 00:00 |
09:48:00.59 |
+37:49:27.1 |
HIP 48070 |
13.75 |
| 2026-06-06 12:00 |
09:48:13.84 |
+37:46:55.8 |
HIP 48070 |
11.64 |
| 2026-06-07 00:00 |
09:48:27.19 |
+37:44:24.5 |
HIP 48070 |
10.42 |
| 2026-06-07 12:00 |
09:48:40.66 |
+37:41:53.2 |
HIP 48070 |
10.44 |
| 2026-06-08 00:00 |
09:48:54.24 |
+37:39:21.8 |
HIP 48070 |
11.69 |
| 2026-06-08 12:00 |
09:49:07.93 |
+37:36:50.6 |
HIP 48070 |
13.86 |
| 2026-06-09 00:00 |
09:49:21.72 |
+37:34:19.3 |
HIP 48070 |
16.61 |
| 2026-06-09 12:00 |
09:49:35.62 |
+37:31:48.1 |
HIP 48083 |
18.93 |
| 2026-06-10 00:00 |
09:49:49.63 |
+37:29:16.9 |
HIP 48346 |
19.04 |
| 2026-06-10 12:00 |
09:50:03.74 |
+37:26:45.8 |
HIP 48346 |
17.69 |
| 2026-06-11 00:00 |
09:50:17.95 |
+37:24:14.7 |
HIP 48346 |
17.06 |
| 2026-06-11 12:00 |
09:50:32.27 |
+37:21:43.6 |
HIP 48346 |
17.24 |
| 2026-06-12 00:00 |
09:50:46.69 |
+37:19:12.6 |
HIP 48346 |
18.22 |
| 2026-06-12 12:00 |
09:51:01.21 |
+37:16:41.6 |
HIP 48346 |
19.89 |
| 2026-06-13 00:00 |
09:51:15.83 |
+37:14:10.7 |
HIP 48346 |
22.10 |
| 2026-06-13 12:00 |
09:51:30.55 |
+37:11:39.9 |
HIP 48346 |
24.71 |
| 2026-06-14 00:00 |
09:51:45.37 |
+37:09:09.1 |
HIP 48346 |
27.62 |
| 2026-06-14 12:00 |
09:52:00.28 |
+37:06:38.4 |
HIP 48346 |
30.74 |
| 2026-06-15 00:00 |
09:52:15.30 |
+37:04:07.8 |
HIP 48346 |
34.03 |
| 2026-06-15 12:00 |
09:52:30.40 |
+37:01:37.2 |
HIP 48575 |
35.73 |
| 2026-06-16 00:00 |
09:52:45.60 |
+36:59:06.8 |
HIP 48337 |
35.46 |
| 2026-06-16 12:00 |
09:53:00.90 |
+36:56:36.4 |
HIP 48337 |
35.24 |
| 2026-06-17 00:00 |
09:53:16.28 |
+36:54:06.2 |
HIP 48688 |
34.63 |
| 2026-06-17 12:00 |
09:53:31.76 |
+36:51:36.0 |
HIP 48688 |
33.45 |
| 2026-06-18 00:00 |
09:53:47.32 |
+36:49:05.9 |
HIP 48688 |
32.71 |
| 2026-06-18 12:00 |
09:54:02.98 |
+36:46:36.0 |
HIP 48546 |
31.97 |
| 2026-06-19 00:00 |
09:54:18.72 |
+36:44:06.1 |
HIP 48546 |
29.60 |
| 2026-06-19 12:00 |
09:54:34.55 |
+36:41:36.4 |
HIP 48765 |
27.11 |
| 2026-06-20 00:00 |
09:54:50.46 |
+36:39:06.8 |
HIP 48765 |
24.64 |
| 2026-06-20 12:00 |
09:55:06.46 |
+36:36:37.3 |
HIP 48765 |
22.61 |
| 2026-06-21 00:00 |
09:55:22.54 |
+36:34:07.9 |
HIP 48765 |
21.15 |
| 2026-06-21 12:00 |
09:55:38.71 |
+36:31:38.7 |
HIP 48765 |
20.40 |
| 2026-06-22 00:00 |
09:55:54.95 |
+36:29:09.6 |
HIP 48765 |
20.44 |