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) |
| 2026-06-01 00:00 |
21:09:07.64 |
-03:36:52.5 |
HIP 104435 |
16.92 |
| 2026-06-01 12:00 |
21:09:03.69 |
-03:35:29.1 |
HIP 104435 |
18.48 |
| 2026-06-02 00:00 |
21:08:59.56 |
-03:34:06.6 |
HIP 104435 |
20.05 |
| 2026-06-02 12:00 |
21:08:55.23 |
-03:32:44.9 |
HIP 104435 |
21.65 |
| 2026-06-03 00:00 |
21:08:50.72 |
-03:31:24.1 |
HIP 104435 |
23.26 |
| 2026-06-03 12:00 |
21:08:46.02 |
-03:30:04.3 |
HIP 104435 |
24.90 |
| 2026-06-04 00:00 |
21:08:41.14 |
-03:28:45.3 |
HIP 104435 |
26.55 |
| 2026-06-04 12:00 |
21:08:36.06 |
-03:27:27.3 |
HIP 104435 |
28.23 |
| 2026-06-05 00:00 |
21:08:30.81 |
-03:26:10.2 |
HIP 104435 |
29.93 |
| 2026-06-05 12:00 |
21:08:25.36 |
-03:24:53.9 |
HIP 104435 |
31.65 |
| 2026-06-06 00:00 |
21:08:19.73 |
-03:23:38.7 |
HIP 104435 |
33.39 |
| 2026-06-06 12:00 |
21:08:13.92 |
-03:22:24.3 |
HIP 104435 |
35.15 |
| 2026-06-07 00:00 |
21:08:07.92 |
-03:21:10.9 |
HIP 104435 |
36.93 |
| 2026-06-07 12:00 |
21:08:01.73 |
-03:19:58.5 |
HIP 104373 |
37.02 |
| 2026-06-08 00:00 |
21:07:55.36 |
-03:18:47.0 |
HIP 104373 |
36.33 |
| 2026-06-08 12:00 |
21:07:48.80 |
-03:17:36.5 |
HIP 104373 |
35.76 |
| 2026-06-09 00:00 |
21:07:42.06 |
-03:16:26.9 |
HIP 104373 |
35.33 |
| 2026-06-09 12:00 |
21:07:35.14 |
-03:15:18.4 |
HIP 104373 |
35.06 |
| 2026-06-10 00:00 |
21:07:28.03 |
-03:14:10.8 |
HIP 104373 |
34.94 |
| 2026-06-10 12:00 |
21:07:20.74 |
-03:13:04.2 |
HIP 104373 |
34.99 |
| 2026-06-11 00:00 |
21:07:13.26 |
-03:11:58.5 |
HIP 104373 |
35.21 |
| 2026-06-11 12:00 |
21:07:05.61 |
-03:10:53.9 |
HIP 104373 |
35.60 |
| 2026-06-12 00:00 |
21:06:57.77 |
-03:09:50.3 |
HIP 104373 |
36.16 |
| 2026-06-12 12:00 |
21:06:49.75 |
-03:08:47.7 |
HIP 104373 |
36.90 |
| 2026-06-13 00:00 |
21:06:41.54 |
-03:07:46.2 |
HIP 104373 |
37.80 |
| 2026-06-13 12:00 |
21:06:33.16 |
-03:06:45.6 |
HIP 104373 |
38.87 |
| 2026-06-14 00:00 |
21:06:24.60 |
-03:05:46.1 |
HIP 104373 |
40.08 |
| 2026-06-14 12:00 |
21:06:15.86 |
-03:04:47.6 |
HIP 104373 |
41.45 |
| 2026-06-15 00:00 |
21:06:06.94 |
-03:03:50.2 |
HIP 104373 |
42.95 |
| 2026-06-15 12:00 |
21:05:57.84 |
-03:02:53.8 |
HIP 104373 |
44.58 |
| 2026-06-16 00:00 |
21:05:48.57 |
-03:01:58.4 |
HIP 103926 |
45.54 |
| 2026-06-16 12:00 |
21:05:39.12 |
-03:01:04.1 |
HIP 103926 |
43.12 |
| 2026-06-17 00:00 |
21:05:29.50 |
-03:00:10.9 |
HIP 103926 |
40.70 |
| 2026-06-17 12:00 |
21:05:19.70 |
-02:59:18.7 |
HIP 103926 |
38.27 |
| 2026-06-18 00:00 |
21:05:09.73 |
-02:58:27.6 |
HIP 103926 |
35.84 |
| 2026-06-18 12:00 |
21:04:59.60 |
-02:57:37.6 |
HIP 103926 |
33.43 |
| 2026-06-19 00:00 |
21:04:49.29 |
-02:56:48.6 |
HIP 103926 |
31.04 |
| 2026-06-19 12:00 |
21:04:38.81 |
-02:56:00.7 |
HIP 103926 |
28.70 |
| 2026-06-20 00:00 |
21:04:28.16 |
-02:55:13.9 |
HIP 103926 |
26.42 |
| 2026-06-20 12:00 |
21:04:17.34 |
-02:54:28.1 |
HIP 103926 |
24.23 |
| 2026-06-21 00:00 |
21:04:06.36 |
-02:53:43.5 |
HIP 103926 |
22.18 |
| 2026-06-21 12:00 |
21:03:55.22 |
-02:52:59.9 |
HIP 103926 |
20.32 |
| 2026-06-22 00:00 |
21:03:43.91 |
-02:52:17.4 |
HIP 103926 |
18.72 |