メタデータ
| 項目 |
値 |
| Designation |
150P/LONEOS |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2016-07-24T06:54:40.201920Z |
| Orbit solution date (soln_date, UTC) |
2024-07-13T19:12:21Z |
| Obs used |
1320 |
| NEO |
- |
| M1 |
15.900 |
| 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) |
2019-07-24.0000000 |
| e |
0.54650135 |
| q (au) |
1.759826 |
| a (au) |
3.880555 |
| i (deg) |
18.508218 |
| Ω (om, deg) |
272.407983 |
| ω (w, deg) |
245.615019 |
| M (ma, deg) |
141.144278 |
等級
散乱 + 全体線形
$$
M_a = (16.918 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
16.918 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.616 |
| k |
0.800 |
| 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 |
20:44:07.46 |
-02:50:45.9 |
HIP 102272 |
23.91 |
| 2026-07-29 12:00 |
20:43:48.98 |
-02:51:23.5 |
HIP 102272 |
22.61 |
| 2026-07-30 00:00 |
20:43:30.50 |
-02:52:02.1 |
HIP 102272 |
22.24 |
| 2026-07-30 12:00 |
20:43:12.01 |
-02:52:41.5 |
HIP 102272 |
22.85 |
| 2026-07-31 00:00 |
20:42:53.52 |
-02:53:21.8 |
HIP 102272 |
24.37 |
| 2026-07-31 12:00 |
20:42:35.03 |
-02:54:02.9 |
HIP 102272 |
26.64 |
| 2026-08-01 00:00 |
20:42:16.55 |
-02:54:44.9 |
HIP 102272 |
29.49 |
| 2026-08-01 12:00 |
20:41:58.07 |
-02:55:27.8 |
HIP 102135 |
28.75 |
| 2026-08-02 00:00 |
20:41:39.61 |
-02:56:11.5 |
HIP 101998 |
27.54 |
| 2026-08-02 12:00 |
20:41:21.15 |
-02:56:56.0 |
HIP 101998 |
24.59 |
| 2026-08-03 00:00 |
20:41:02.71 |
-02:57:41.3 |
HIP 101998 |
22.26 |
| 2026-08-03 12:00 |
20:40:44.29 |
-02:58:27.5 |
HIP 101998 |
20.74 |
| 2026-08-04 00:00 |
20:40:25.88 |
-02:59:14.4 |
HIP 101998 |
20.22 |
| 2026-08-04 12:00 |
20:40:07.50 |
-03:00:02.1 |
HIP 101998 |
20.78 |
| 2026-08-05 00:00 |
20:39:49.14 |
-03:00:50.6 |
HIP 101998 |
22.33 |
| 2026-08-05 12:00 |
20:39:30.82 |
-03:01:39.9 |
HIP 101853 |
19.83 |
| 2026-08-06 00:00 |
20:39:12.52 |
-03:02:30.0 |
HIP 101853 |
15.50 |
| 2026-08-06 12:00 |
20:38:54.25 |
-03:03:20.8 |
HIP 101853 |
11.41 |
| 2026-08-07 00:00 |
20:38:36.02 |
-03:04:12.3 |
HIP 101853 |
7.95 |
| 2026-08-07 12:00 |
20:38:17.83 |
-03:05:04.6 |
HIP 101853 |
6.24 |
| 2026-08-08 00:00 |
20:37:59.68 |
-03:05:57.6 |
HIP 101853 |
7.56 |
| 2026-08-08 12:00 |
20:37:41.57 |
-03:06:51.3 |
HIP 101853 |
10.85 |
| 2026-08-09 00:00 |
20:37:23.51 |
-03:07:45.7 |
HIP 101853 |
14.84 |
| 2026-08-09 12:00 |
20:37:05.50 |
-03:08:40.8 |
HIP 101853 |
19.10 |
| 2026-08-10 00:00 |
20:36:47.54 |
-03:09:36.5 |
HIP 101619 |
18.81 |
| 2026-08-10 12:00 |
20:36:29.64 |
-03:10:33.0 |
HIP 101619 |
14.56 |
| 2026-08-11 00:00 |
20:36:11.79 |
-03:11:30.1 |
HIP 101619 |
10.59 |
| 2026-08-11 12:00 |
20:35:54.01 |
-03:12:27.8 |
HIP 101619 |
7.31 |
| 2026-08-12 00:00 |
20:35:36.28 |
-03:13:26.1 |
HIP 101619 |
5.99 |
| 2026-08-12 12:00 |
20:35:18.62 |
-03:14:25.1 |
HIP 101619 |
7.69 |
| 2026-08-13 00:00 |
20:35:01.03 |
-03:15:24.7 |
HIP 101619 |
11.07 |
| 2026-08-13 12:00 |
20:34:43.51 |
-03:16:24.8 |
HIP 101619 |
15.04 |
| 2026-08-14 00:00 |
20:34:26.07 |
-03:17:25.6 |
HIP 101435 |
15.68 |
| 2026-08-14 12:00 |
20:34:08.70 |
-03:18:26.9 |
HIP 101435 |
11.23 |
| 2026-08-15 00:00 |
20:33:51.41 |
-03:19:28.7 |
HIP 101435 |
6.79 |
| 2026-08-15 12:00 |
20:33:34.20 |
-03:20:31.1 |
HIP 101435 |
2.39 |
| 2026-08-16 00:00 |
20:33:17.07 |
-03:21:34.0 |
HIP 101435 |
2.06 |
| 2026-08-16 12:00 |
20:33:00.03 |
-03:22:37.4 |
HIP 101435 |
6.42 |
| 2026-08-17 00:00 |
20:32:43.08 |
-03:23:41.3 |
HIP 101435 |
10.78 |
| 2026-08-17 12:00 |
20:32:26.22 |
-03:24:45.7 |
HIP 101299 |
7.85 |
| 2026-08-18 00:00 |
20:32:09.45 |
-03:25:50.6 |
HIP 101299 |
3.53 |
| 2026-08-18 12:00 |
20:31:52.78 |
-03:26:55.9 |
HIP 101299 |
0.81 |
| 2026-08-19 00:00 |
20:31:36.21 |
-03:28:01.7 |
HIP 101299 |
5.06 |