メタデータ
| 項目 |
値 |
| Designation |
56P/Slaughter-Burnham |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2016-07-18T01:58:14.727360Z |
| Orbit solution date (soln_date, UTC) |
2023-10-16T10:35:53Z |
| Obs used |
1986 |
| NEO |
- |
| M1 |
9.300 |
| K1 |
14.750 |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2013-08-12.0000000 |
| e |
0.50729701 |
| q (au) |
2.505871 |
| a (au) |
5.085966 |
| i (deg) |
8.147198 |
| Ω (om, deg) |
346.037614 |
| ω (w, deg) |
44.217463 |
| M (ma, deg) |
267.962120 |
等級
散乱 + 全体線形
$$
M_a = (7.594 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
7.594 |
| 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
残差 (区間線形)
$$\epsilon = a \log_{10} r_{\mathrm{au}} + b$$
| 開始日 (UTC) |
終了日 (UTC) |
a |
b |
| 2015-07-24 |
2016-07-15 |
+13.5328 |
-5.371 |
| 2016-07-20 |
2018-01-23 |
+3.6320 |
-1.563 |
log10 r = log10(太陽距離/AU)、Δ = 地球距離(AU)
天体暦
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-05-12 00:00 |
19:34:15.63 |
-30:23:08.4 |
HIP 96154 |
15.69 |
| 2026-05-12 12:00 |
19:34:14.97 |
-30:23:53.3 |
HIP 96154 |
15.63 |
| 2026-05-13 00:00 |
19:34:14.07 |
-30:24:38.5 |
HIP 96154 |
15.56 |
| 2026-05-13 12:00 |
19:34:12.91 |
-30:25:24.2 |
HIP 96154 |
15.48 |
| 2026-05-14 00:00 |
19:34:11.50 |
-30:26:10.3 |
HIP 96154 |
15.38 |
| 2026-05-14 12:00 |
19:34:09.84 |
-30:26:56.8 |
HIP 96154 |
15.28 |
| 2026-05-15 00:00 |
19:34:07.92 |
-30:27:43.7 |
HIP 96154 |
15.18 |
| 2026-05-15 12:00 |
19:34:05.75 |
-30:28:31.0 |
HIP 96154 |
15.09 |
| 2026-05-16 00:00 |
19:34:03.33 |
-30:29:18.7 |
HIP 96151 |
14.91 |
| 2026-05-16 12:00 |
19:34:00.65 |
-30:30:06.8 |
HIP 96151 |
14.08 |
| 2026-05-17 00:00 |
19:33:57.72 |
-30:30:55.3 |
HIP 96151 |
13.21 |
| 2026-05-17 12:00 |
19:33:54.54 |
-30:31:44.1 |
HIP 96151 |
12.31 |
| 2026-05-18 00:00 |
19:33:51.10 |
-30:32:33.3 |
HIP 96151 |
11.39 |
| 2026-05-18 12:00 |
19:33:47.41 |
-30:33:22.9 |
HIP 96151 |
10.45 |
| 2026-05-19 00:00 |
19:33:43.46 |
-30:34:12.8 |
HIP 96151 |
9.49 |
| 2026-05-19 12:00 |
19:33:39.26 |
-30:35:03.0 |
HIP 96151 |
8.55 |
| 2026-05-20 00:00 |
19:33:34.80 |
-30:35:53.6 |
HIP 96151 |
7.62 |
| 2026-05-20 12:00 |
19:33:30.09 |
-30:36:44.5 |
HIP 96151 |
6.77 |
| 2026-05-21 00:00 |
19:33:25.12 |
-30:37:35.7 |
HIP 96151 |
6.03 |
| 2026-05-21 12:00 |
19:33:19.91 |
-30:38:27.3 |
HIP 96151 |
5.50 |
| 2026-05-22 00:00 |
19:33:14.44 |
-30:39:19.1 |
HIP 96151 |
5.27 |
| 2026-05-22 12:00 |
19:33:08.71 |
-30:40:11.2 |
HIP 96151 |
5.43 |
| 2026-05-23 00:00 |
19:33:02.74 |
-30:41:03.5 |
HIP 96151 |
5.97 |
| 2026-05-23 12:00 |
19:32:56.51 |
-30:41:56.2 |
HIP 96151 |
6.84 |
| 2026-05-24 00:00 |
19:32:50.03 |
-30:42:49.0 |
HIP 96151 |
7.96 |
| 2026-05-24 12:00 |
19:32:43.29 |
-30:43:42.2 |
HIP 96089 |
7.03 |
| 2026-05-25 00:00 |
19:32:36.31 |
-30:44:35.6 |
HIP 96089 |
5.43 |
| 2026-05-25 12:00 |
19:32:29.08 |
-30:45:29.1 |
HIP 96089 |
3.92 |
| 2026-05-26 00:00 |
19:32:21.59 |
-30:46:23.0 |
HIP 96089 |
2.71 |
| 2026-05-26 12:00 |
19:32:13.86 |
-30:47:17.0 |
HIP 96089 |
2.46 |
| 2026-05-27 00:00 |
19:32:05.88 |
-30:48:11.2 |
HIP 96089 |
3.47 |
| 2026-05-27 12:00 |
19:31:57.64 |
-30:49:05.6 |
HIP 96089 |
5.09 |
| 2026-05-28 00:00 |
19:31:49.16 |
-30:50:00.1 |
HIP 96089 |
6.94 |
| 2026-05-28 12:00 |
19:31:40.43 |
-30:50:54.9 |
HIP 96089 |
8.91 |
| 2026-05-29 00:00 |
19:31:31.46 |
-30:51:49.7 |
HIP 96089 |
10.97 |
| 2026-05-29 12:00 |
19:31:22.24 |
-30:52:44.7 |
HIP 96089 |
13.10 |
| 2026-05-30 00:00 |
19:31:12.77 |
-30:53:39.9 |
HIP 95900 |
12.96 |
| 2026-05-30 12:00 |
19:31:03.05 |
-30:54:35.1 |
HIP 95900 |
10.95 |
| 2026-05-31 00:00 |
19:30:53.10 |
-30:55:30.5 |
HIP 95900 |
9.01 |
| 2026-05-31 12:00 |
19:30:42.89 |
-30:56:26.0 |
HIP 95900 |
7.26 |
| 2026-06-01 00:00 |
19:30:32.45 |
-30:57:21.5 |
HIP 95900 |
5.92 |
| 2026-06-01 12:00 |
19:30:21.76 |
-30:58:17.1 |
HIP 95900 |
5.38 |
| 2026-06-02 00:00 |
19:30:10.83 |
-30:59:12.8 |
HIP 95900 |
5.92 |