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) |
| 2026-09-20 00:00 |
10:54:22.77 |
+30:28:00.9 |
HIP 53324 |
3.95 |
| 2026-09-20 12:00 |
10:54:41.94 |
+30:26:47.2 |
HIP 53324 |
6.24 |
| 2026-09-21 00:00 |
10:55:01.07 |
+30:25:34.2 |
HIP 53324 |
9.95 |
| 2026-09-21 12:00 |
10:55:20.17 |
+30:24:22.0 |
HIP 53324 |
13.99 |
| 2026-09-22 00:00 |
10:55:39.22 |
+30:23:10.5 |
HIP 53324 |
18.13 |
| 2026-09-22 12:00 |
10:55:58.22 |
+30:21:59.8 |
HIP 53324 |
22.31 |
| 2026-09-23 00:00 |
10:56:17.19 |
+30:20:49.9 |
HIP 53571 |
24.96 |
| 2026-09-23 12:00 |
10:56:36.11 |
+30:19:40.6 |
HIP 53571 |
23.35 |
| 2026-09-24 00:00 |
10:56:54.99 |
+30:18:32.2 |
HIP 53571 |
22.43 |
| 2026-09-24 12:00 |
10:57:13.83 |
+30:17:24.5 |
HIP 53571 |
22.26 |
| 2026-09-25 00:00 |
10:57:32.62 |
+30:16:17.6 |
HIP 53571 |
22.88 |
| 2026-09-25 12:00 |
10:57:51.37 |
+30:15:11.4 |
HIP 53571 |
24.20 |
| 2026-09-26 00:00 |
10:58:10.07 |
+30:14:06.0 |
HIP 53571 |
26.12 |
| 2026-09-26 12:00 |
10:58:28.72 |
+30:13:01.4 |
HIP 53571 |
28.51 |
| 2026-09-27 00:00 |
10:58:47.33 |
+30:11:57.6 |
HIP 53571 |
31.26 |
| 2026-09-27 12:00 |
10:59:05.89 |
+30:10:54.5 |
HIP 53636 |
34.01 |
| 2026-09-28 00:00 |
10:59:24.40 |
+30:09:52.3 |
HIP 53906 |
35.97 |
| 2026-09-28 12:00 |
10:59:42.86 |
+30:08:50.8 |
HIP 53906 |
32.00 |
| 2026-09-29 00:00 |
11:00:01.28 |
+30:07:50.1 |
HIP 53906 |
28.09 |
| 2026-09-29 12:00 |
11:00:19.64 |
+30:06:50.2 |
HIP 53906 |
24.27 |
| 2026-09-30 00:00 |
11:00:37.96 |
+30:05:51.1 |
HIP 53906 |
20.57 |
| 2026-09-30 12:00 |
11:00:56.23 |
+30:04:52.9 |
HIP 53906 |
17.06 |
| 2026-10-01 00:00 |
11:01:14.44 |
+30:03:55.4 |
HIP 53906 |
13.88 |
| 2026-10-01 12:00 |
11:01:32.60 |
+30:02:58.7 |
HIP 53906 |
11.30 |
| 2026-10-02 00:00 |
11:01:50.71 |
+30:02:02.9 |
HIP 53906 |
9.78 |
| 2026-10-02 12:00 |
11:02:08.77 |
+30:01:07.9 |
HIP 53906 |
9.80 |
| 2026-10-03 00:00 |
11:02:26.77 |
+30:00:13.7 |
HIP 53906 |
11.36 |
| 2026-10-03 12:00 |
11:02:44.72 |
+29:59:20.4 |
HIP 53906 |
13.92 |
| 2026-10-04 00:00 |
11:03:02.61 |
+29:58:27.9 |
HIP 53906 |
17.04 |
| 2026-10-04 12:00 |
11:03:20.45 |
+29:57:36.2 |
HIP 53906 |
20.45 |
| 2026-10-05 00:00 |
11:03:38.23 |
+29:56:45.4 |
HIP 53906 |
24.02 |
| 2026-10-05 12:00 |
11:03:55.96 |
+29:55:55.4 |
HIP 54240 |
24.96 |
| 2026-10-06 00:00 |
11:04:13.62 |
+29:55:06.3 |
HIP 54240 |
21.36 |
| 2026-10-06 12:00 |
11:04:31.23 |
+29:54:18.0 |
HIP 54240 |
17.90 |
| 2026-10-07 00:00 |
11:04:48.78 |
+29:53:30.6 |
HIP 54240 |
14.67 |
| 2026-10-07 12:00 |
11:05:06.27 |
+29:52:44.1 |
HIP 54240 |
11.83 |
| 2026-10-08 00:00 |
11:05:23.70 |
+29:51:58.5 |
HIP 54240 |
9.73 |
| 2026-10-08 12:00 |
11:05:41.06 |
+29:51:13.7 |
HIP 54240 |
8.88 |
| 2026-10-09 00:00 |
11:05:58.37 |
+29:50:29.8 |
HIP 54240 |
9.59 |
| 2026-10-09 12:00 |
11:06:15.61 |
+29:49:46.8 |
HIP 54240 |
11.58 |
| 2026-10-10 00:00 |
11:06:32.79 |
+29:49:04.7 |
HIP 54240 |
14.30 |
| 2026-10-10 12:00 |
11:06:49.90 |
+29:48:23.5 |
HIP 54240 |
17.40 |
| 2026-10-11 00:00 |
11:07:06.95 |
+29:47:43.2 |
HIP 54240 |
20.71 |