メタデータ
| 項目 |
値 |
| Designation |
129P/Shoemaker-Levy 3 |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2014-02-10T02:31:43.579200Z |
| Orbit solution date (soln_date, UTC) |
2025-06-27T14:17:32Z |
| Obs used |
720 |
| NEO |
- |
| M1 |
14.400 |
| K1 |
4.500 |
| PC |
- |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2013-07-07.0000000 |
| e |
0.09063771 |
| q (au) |
3.913589 |
| a (au) |
4.303663 |
| i (deg) |
3.432831 |
| Ω (om, deg) |
185.156275 |
| ω (w, deg) |
309.132971 |
| M (ma, deg) |
335.922407 |
等級
散乱 + 全体線形
$$
M_a = (13.543 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
13.543 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.969 |
| 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
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 |
18:41:09.93 |
-18:50:53.8 |
HIP 91698 |
19.12 |
| 2026-07-29 12:00 |
18:40:55.31 |
-18:51:25.1 |
HIP 91698 |
20.98 |
| 2026-07-30 00:00 |
18:40:40.85 |
-18:51:56.4 |
HIP 91486 |
20.55 |
| 2026-07-30 12:00 |
18:40:26.54 |
-18:52:27.8 |
HIP 91486 |
18.20 |
| 2026-07-31 00:00 |
18:40:12.38 |
-18:52:59.1 |
HIP 91486 |
16.26 |
| 2026-07-31 12:00 |
18:39:58.39 |
-18:53:30.5 |
HIP 91486 |
14.87 |
| 2026-08-01 00:00 |
18:39:44.55 |
-18:54:01.8 |
HIP 91486 |
14.16 |
| 2026-08-01 12:00 |
18:39:30.87 |
-18:54:33.1 |
HIP 91486 |
14.21 |
| 2026-08-02 00:00 |
18:39:17.36 |
-18:55:04.5 |
HIP 91486 |
14.99 |
| 2026-08-02 12:00 |
18:39:04.02 |
-18:55:35.8 |
HIP 91486 |
16.37 |
| 2026-08-03 00:00 |
18:38:50.85 |
-18:56:07.1 |
HIP 91486 |
18.19 |
| 2026-08-03 12:00 |
18:38:37.84 |
-18:56:38.3 |
HIP 91486 |
20.32 |
| 2026-08-04 00:00 |
18:38:25.01 |
-18:57:09.6 |
HIP 91486 |
22.65 |
| 2026-08-04 12:00 |
18:38:12.35 |
-18:57:40.8 |
HIP 91267 |
20.50 |
| 2026-08-05 00:00 |
18:37:59.87 |
-18:58:12.1 |
HIP 91267 |
17.75 |
| 2026-08-05 12:00 |
18:37:47.57 |
-18:58:43.3 |
HIP 91267 |
15.12 |
| 2026-08-06 00:00 |
18:37:35.45 |
-18:59:14.4 |
HIP 91267 |
12.67 |
| 2026-08-06 12:00 |
18:37:23.51 |
-18:59:45.6 |
HIP 91267 |
10.48 |
| 2026-08-07 00:00 |
18:37:11.76 |
-19:00:16.7 |
HIP 91267 |
8.71 |
| 2026-08-07 12:00 |
18:37:00.19 |
-19:00:47.7 |
HIP 91267 |
7.61 |
| 2026-08-08 00:00 |
18:36:48.82 |
-19:01:18.8 |
HIP 91267 |
7.43 |
| 2026-08-08 12:00 |
18:36:37.63 |
-19:01:49.8 |
HIP 91267 |
8.19 |
| 2026-08-09 00:00 |
18:36:26.63 |
-19:02:20.8 |
HIP 91267 |
9.63 |
| 2026-08-09 12:00 |
18:36:15.83 |
-19:02:51.7 |
HIP 91267 |
11.47 |
| 2026-08-10 00:00 |
18:36:05.22 |
-19:03:22.5 |
HIP 91267 |
13.52 |
| 2026-08-10 12:00 |
18:35:54.82 |
-19:03:53.4 |
HIP 91135 |
14.26 |
| 2026-08-11 00:00 |
18:35:44.61 |
-19:04:24.1 |
HIP 91135 |
12.71 |
| 2026-08-11 12:00 |
18:35:34.60 |
-19:04:54.9 |
HIP 91135 |
11.49 |
| 2026-08-12 00:00 |
18:35:24.79 |
-19:05:25.5 |
HIP 91135 |
10.69 |
| 2026-08-12 12:00 |
18:35:15.19 |
-19:05:56.1 |
HIP 91135 |
10.37 |
| 2026-08-13 00:00 |
18:35:05.80 |
-19:06:26.7 |
HIP 91135 |
10.55 |
| 2026-08-13 12:00 |
18:34:56.61 |
-19:06:57.2 |
HIP 91135 |
11.17 |
| 2026-08-14 00:00 |
18:34:47.63 |
-19:07:27.6 |
HIP 91135 |
12.14 |
| 2026-08-14 12:00 |
18:34:38.86 |
-19:07:57.9 |
HIP 91135 |
13.35 |
| 2026-08-15 00:00 |
18:34:30.30 |
-19:08:28.2 |
HIP 91135 |
14.74 |
| 2026-08-15 12:00 |
18:34:21.96 |
-19:08:58.4 |
HIP 91135 |
16.23 |
| 2026-08-16 00:00 |
18:34:13.82 |
-19:09:28.5 |
HIP 91135 |
17.78 |
| 2026-08-16 12:00 |
18:34:05.91 |
-19:09:58.5 |
HIP 91135 |
19.36 |
| 2026-08-17 00:00 |
18:33:58.20 |
-19:10:28.5 |
HIP 91135 |
20.95 |
| 2026-08-17 12:00 |
18:33:50.72 |
-19:10:58.4 |
HIP 91135 |
22.54 |
| 2026-08-18 00:00 |
18:33:43.45 |
-19:11:28.1 |
HIP 90870 |
21.71 |
| 2026-08-18 12:00 |
18:33:36.40 |
-19:11:57.8 |
HIP 90870 |
20.18 |
| 2026-08-19 00:00 |
18:33:29.57 |
-19:12:27.4 |
HIP 90870 |
18.74 |