メタデータ
| 項目 |
値 |
| Designation |
182P/LONEOS |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2007-02-05T20:59:26.926080Z |
| Orbit solution date (soln_date, UTC) |
2024-10-31T13:12:28Z |
| Obs used |
200 |
| NEO |
Yes |
| M1 |
20.800 |
| 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) |
2004-10-16.0000000 |
| e |
0.66631355 |
| q (au) |
0.978122 |
| a (au) |
2.931261 |
| i (deg) |
16.908572 |
| Ω (om, deg) |
75.096643 |
| ω (w, deg) |
51.438081 |
| M (ma, deg) |
194.466692 |
等級
散乱 + 全体線形
$$
M_a = (17.640 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
17.640 |
| n |
6.000 |
| gf |
0.828 |
| gb |
-0.769 |
| k |
0.951 |
| δ90 |
3.889 |
| 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) |
| 2026-03-26 00:00 |
23:15:52.07 |
-19:01:16.2 |
HIP 114951 |
18.06 |
| 2026-03-26 12:00 |
23:16:23.85 |
-18:58:28.7 |
HIP 114951 |
10.23 |
| 2026-03-27 00:00 |
23:16:55.62 |
-18:55:41.6 |
HIP 114951 |
3.38 |
| 2026-03-27 12:00 |
23:17:27.37 |
-18:52:54.9 |
HIP 114951 |
6.83 |
| 2026-03-28 00:00 |
23:17:59.11 |
-18:50:08.6 |
HIP 115078 |
7.23 |
| 2026-03-28 12:00 |
23:18:30.84 |
-18:47:22.7 |
HIP 115078 |
3.13 |
| 2026-03-29 00:00 |
23:19:02.55 |
-18:44:37.3 |
HIP 115078 |
9.76 |
| 2026-03-29 12:00 |
23:19:34.25 |
-18:41:52.3 |
HIP 115078 |
17.56 |
| 2026-03-30 00:00 |
23:20:05.94 |
-18:39:07.8 |
HIP 115284 |
13.53 |
| 2026-03-30 12:00 |
23:20:37.61 |
-18:36:23.7 |
HIP 115284 |
5.77 |
| 2026-03-31 00:00 |
23:21:09.27 |
-18:33:40.1 |
HIP 115284 |
3.32 |
| 2026-03-31 12:00 |
23:21:40.91 |
-18:30:56.9 |
HIP 115284 |
10.78 |
| 2026-04-01 00:00 |
23:22:12.53 |
-18:28:14.1 |
HIP 115284 |
18.67 |
| 2026-04-01 12:00 |
23:22:44.14 |
-18:25:31.9 |
HIP 115528 |
25.32 |
| 2026-04-02 00:00 |
23:23:15.73 |
-18:22:50.1 |
HIP 115528 |
22.19 |
| 2026-04-02 12:00 |
23:23:47.30 |
-18:20:08.8 |
HIP 115528 |
21.69 |
| 2026-04-03 00:00 |
23:24:18.86 |
-18:17:27.9 |
HIP 115614 |
17.24 |
| 2026-04-03 12:00 |
23:24:50.40 |
-18:14:47.5 |
HIP 115614 |
10.42 |
| 2026-04-04 00:00 |
23:25:21.92 |
-18:12:07.7 |
HIP 115614 |
6.81 |
| 2026-04-04 12:00 |
23:25:53.42 |
-18:09:28.3 |
HIP 115614 |
10.51 |
| 2026-04-05 00:00 |
23:26:24.91 |
-18:06:49.4 |
HIP 115614 |
17.34 |
| 2026-04-05 12:00 |
23:26:56.37 |
-18:04:11.0 |
HIP 115614 |
24.83 |
| 2026-04-06 00:00 |
23:27:27.82 |
-18:01:33.1 |
HIP 115614 |
32.53 |
| 2026-04-06 12:00 |
23:27:59.24 |
-17:58:55.8 |
HIP 115614 |
40.31 |
| 2026-04-07 00:00 |
23:28:30.64 |
-17:56:19.0 |
HIP 115968 |
38.97 |
| 2026-04-07 12:00 |
23:29:02.03 |
-17:53:42.7 |
HIP 115968 |
38.68 |
| 2026-04-08 00:00 |
23:29:33.39 |
-17:51:06.9 |
HIP 115976 |
35.02 |
| 2026-04-08 12:00 |
23:30:04.73 |
-17:48:31.7 |
HIP 115976 |
32.37 |
| 2026-04-09 00:00 |
23:30:36.04 |
-17:45:57.0 |
HIP 116200 |
30.12 |
| 2026-04-09 12:00 |
23:31:07.34 |
-17:43:22.9 |
HIP 116200 |
22.24 |
| 2026-04-10 00:00 |
23:31:38.61 |
-17:40:49.3 |
HIP 116200 |
14.37 |
| 2026-04-10 12:00 |
23:32:09.85 |
-17:38:16.3 |
HIP 116200 |
6.52 |
| 2026-04-11 00:00 |
23:32:41.07 |
-17:35:43.9 |
HIP 116200 |
1.49 |
| 2026-04-11 12:00 |
23:33:12.27 |
-17:33:12.0 |
HIP 116200 |
9.24 |
| 2026-04-12 00:00 |
23:33:43.44 |
-17:30:40.8 |
HIP 116200 |
17.08 |
| 2026-04-12 12:00 |
23:34:14.58 |
-17:28:10.1 |
HIP 116200 |
24.91 |
| 2026-04-13 00:00 |
23:34:45.70 |
-17:25:40.1 |
HIP 116352 |
26.14 |
| 2026-04-13 12:00 |
23:35:16.79 |
-17:23:10.6 |
HIP 116519 |
23.00 |
| 2026-04-14 00:00 |
23:35:47.85 |
-17:20:41.8 |
HIP 116519 |
15.22 |
| 2026-04-14 12:00 |
23:36:18.88 |
-17:18:13.6 |
HIP 116519 |
7.52 |
| 2026-04-15 00:00 |
23:36:49.88 |
-17:15:46.0 |
HIP 116519 |
1.88 |
| 2026-04-15 12:00 |
23:37:20.85 |
-17:13:19.0 |
HIP 116519 |
8.49 |
| 2026-04-16 00:00 |
23:37:51.80 |
-17:10:52.7 |
HIP 116519 |
16.18 |