メタデータ
| 項目 |
値 |
| Designation |
179P/Jedicke |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2007-12-03T22:43:14.016000Z |
| Orbit solution date (soln_date, UTC) |
2026-03-07T11:43:09Z |
| Obs used |
560 |
| NEO |
- |
| M1 |
5.300 |
| K1 |
17.250 |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2014-11-14.0000000 |
| e |
0.30700827 |
| q (au) |
4.114487 |
| a (au) |
5.937281 |
| i (deg) |
19.855693 |
| Ω (om, deg) |
115.619388 |
| ω (w, deg) |
296.300120 |
| M (ma, deg) |
172.843179 |
等級
散乱 + 全体線形
$$
M_a = (5.902 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
5.902 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.939 |
| 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) |
| 2026-05-12 00:00 |
12:07:54.08 |
+20:58:01.7 |
HIP 59078 |
31.56 |
| 2026-05-12 12:00 |
12:07:48.70 |
+20:57:25.8 |
HIP 59078 |
30.49 |
| 2026-05-13 00:00 |
12:07:43.45 |
+20:56:48.8 |
HIP 59078 |
29.44 |
| 2026-05-13 12:00 |
12:07:38.34 |
+20:56:10.6 |
HIP 59078 |
28.41 |
| 2026-05-14 00:00 |
12:07:33.37 |
+20:55:31.3 |
HIP 59078 |
27.40 |
| 2026-05-14 12:00 |
12:07:28.53 |
+20:54:50.7 |
HIP 59078 |
26.41 |
| 2026-05-15 00:00 |
12:07:23.83 |
+20:54:09.0 |
HIP 59078 |
25.44 |
| 2026-05-15 12:00 |
12:07:19.26 |
+20:53:26.0 |
HIP 59078 |
24.49 |
| 2026-05-16 00:00 |
12:07:14.83 |
+20:52:42.0 |
HIP 59078 |
23.55 |
| 2026-05-16 12:00 |
12:07:10.54 |
+20:51:56.8 |
HIP 59078 |
22.64 |
| 2026-05-17 00:00 |
12:07:06.39 |
+20:51:10.4 |
HIP 59078 |
21.74 |
| 2026-05-17 12:00 |
12:07:02.37 |
+20:50:22.9 |
HIP 59078 |
20.86 |
| 2026-05-18 00:00 |
12:06:58.49 |
+20:49:34.2 |
HIP 59078 |
20.01 |
| 2026-05-18 12:00 |
12:06:54.76 |
+20:48:44.5 |
HIP 59078 |
19.17 |
| 2026-05-19 00:00 |
12:06:51.16 |
+20:47:53.6 |
HIP 59078 |
18.35 |
| 2026-05-19 12:00 |
12:06:47.70 |
+20:47:01.6 |
HIP 59078 |
17.55 |
| 2026-05-20 00:00 |
12:06:44.38 |
+20:46:08.5 |
HIP 59078 |
16.78 |
| 2026-05-20 12:00 |
12:06:41.21 |
+20:45:14.3 |
HIP 59078 |
16.02 |
| 2026-05-21 00:00 |
12:06:38.17 |
+20:44:19.0 |
HIP 59078 |
15.30 |
| 2026-05-21 12:00 |
12:06:35.27 |
+20:43:22.7 |
HIP 59078 |
14.61 |
| 2026-05-22 00:00 |
12:06:32.51 |
+20:42:25.3 |
HIP 59078 |
13.94 |
| 2026-05-22 12:00 |
12:06:29.90 |
+20:41:26.8 |
HIP 59078 |
13.32 |
| 2026-05-23 00:00 |
12:06:27.42 |
+20:40:27.3 |
HIP 59078 |
12.73 |
| 2026-05-23 12:00 |
12:06:25.09 |
+20:39:26.7 |
HIP 59078 |
12.19 |
| 2026-05-24 00:00 |
12:06:22.89 |
+20:38:25.2 |
HIP 59078 |
11.71 |
| 2026-05-24 12:00 |
12:06:20.84 |
+20:37:22.5 |
HIP 59078 |
11.29 |
| 2026-05-25 00:00 |
12:06:18.92 |
+20:36:18.9 |
HIP 59078 |
10.93 |
| 2026-05-25 12:00 |
12:06:17.15 |
+20:35:14.3 |
HIP 59078 |
10.65 |
| 2026-05-26 00:00 |
12:06:15.52 |
+20:34:08.7 |
HIP 59078 |
10.46 |
| 2026-05-26 12:00 |
12:06:14.02 |
+20:33:02.1 |
HIP 59078 |
10.35 |
| 2026-05-27 00:00 |
12:06:12.67 |
+20:31:54.5 |
HIP 59078 |
10.34 |
| 2026-05-27 12:00 |
12:06:11.46 |
+20:30:45.9 |
HIP 59078 |
10.43 |
| 2026-05-28 00:00 |
12:06:10.38 |
+20:29:36.4 |
HIP 59078 |
10.61 |
| 2026-05-28 12:00 |
12:06:09.45 |
+20:28:25.9 |
HIP 59078 |
10.89 |
| 2026-05-29 00:00 |
12:06:08.66 |
+20:27:14.5 |
HIP 59078 |
11.26 |
| 2026-05-29 12:00 |
12:06:08.00 |
+20:26:02.1 |
HIP 59078 |
11.72 |
| 2026-05-30 00:00 |
12:06:07.49 |
+20:24:48.8 |
HIP 59078 |
12.25 |
| 2026-05-30 12:00 |
12:06:07.12 |
+20:23:34.6 |
HIP 59078 |
12.86 |
| 2026-05-31 00:00 |
12:06:06.88 |
+20:22:19.5 |
HIP 59078 |
13.54 |
| 2026-05-31 12:00 |
12:06:06.78 |
+20:21:03.4 |
HIP 59078 |
14.28 |
| 2026-06-01 00:00 |
12:06:06.83 |
+20:19:46.5 |
HIP 59078 |
15.07 |
| 2026-06-01 12:00 |
12:06:07.01 |
+20:18:28.6 |
HIP 58935 |
15.55 |
| 2026-06-02 00:00 |
12:06:07.33 |
+20:17:09.9 |
HIP 58935 |
15.25 |