メタデータ
| 項目 |
値 |
| Designation |
359P/LONEOS |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2017-08-21T04:24:35.637120Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:28:34Z |
| Obs used |
133 |
| NEO |
- |
| M1 |
14.800 |
| 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) |
2015-04-16.0000000 |
| e |
0.32248320 |
| q (au) |
3.137799 |
| a (au) |
4.631322 |
| i (deg) |
10.262827 |
| Ω (om, deg) |
149.806429 |
| ω (w, deg) |
200.248458 |
| M (ma, deg) |
275.135344 |
等級
散乱 + 全体線形
$$
M_a = (13.703 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
13.703 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.501 |
| 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
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) |
| 2026-09-20 00:00 |
18:07:49.57 |
-16:06:02.8 |
HIP 88806 |
3.83 |
| 2026-09-20 12:00 |
18:08:05.29 |
-16:07:34.5 |
HIP 88806 |
7.26 |
| 2026-09-21 00:00 |
18:08:21.26 |
-16:09:05.7 |
HIP 88806 |
11.18 |
| 2026-09-21 12:00 |
18:08:37.47 |
-16:10:36.6 |
HIP 88857 |
14.54 |
| 2026-09-22 00:00 |
18:08:53.93 |
-16:12:07.0 |
HIP 88857 |
14.23 |
| 2026-09-22 12:00 |
18:09:10.64 |
-16:13:37.0 |
HIP 88857 |
15.18 |
| 2026-09-23 00:00 |
18:09:27.59 |
-16:15:06.5 |
HIP 88857 |
17.24 |
| 2026-09-23 12:00 |
18:09:44.79 |
-16:16:35.6 |
HIP 88857 |
20.08 |
| 2026-09-24 00:00 |
18:10:02.23 |
-16:18:04.3 |
HIP 88857 |
23.47 |
| 2026-09-24 12:00 |
18:10:19.91 |
-16:19:32.4 |
HIP 89111 |
26.04 |
| 2026-09-25 00:00 |
18:10:37.83 |
-16:21:00.1 |
HIP 89111 |
22.86 |
| 2026-09-25 12:00 |
18:10:55.99 |
-16:22:27.4 |
HIP 89111 |
20.20 |
| 2026-09-26 00:00 |
18:11:14.39 |
-16:23:54.1 |
HIP 89222 |
17.59 |
| 2026-09-26 12:00 |
18:11:33.02 |
-16:25:20.4 |
HIP 89222 |
13.32 |
| 2026-09-27 00:00 |
18:11:51.89 |
-16:26:46.2 |
HIP 89222 |
9.42 |
| 2026-09-27 12:00 |
18:12:11.00 |
-16:28:11.5 |
HIP 89222 |
6.67 |
| 2026-09-28 00:00 |
18:12:30.34 |
-16:29:36.3 |
HIP 89251 |
6.54 |
| 2026-09-28 12:00 |
18:12:49.91 |
-16:31:00.6 |
HIP 89251 |
3.55 |
| 2026-09-29 00:00 |
18:13:09.71 |
-16:32:24.3 |
HIP 89251 |
5.56 |
| 2026-09-29 12:00 |
18:13:29.75 |
-16:33:47.6 |
HIP 89251 |
9.97 |
| 2026-09-30 00:00 |
18:13:50.01 |
-16:35:10.3 |
HIP 89251 |
14.81 |
| 2026-09-30 12:00 |
18:14:10.50 |
-16:36:32.5 |
HIP 89251 |
19.80 |
| 2026-10-01 00:00 |
18:14:31.22 |
-16:37:54.2 |
HIP 89453 |
16.77 |
| 2026-10-01 12:00 |
18:14:52.16 |
-16:39:15.3 |
HIP 89453 |
12.57 |
| 2026-10-02 00:00 |
18:15:13.33 |
-16:40:35.8 |
HIP 89453 |
9.43 |
| 2026-10-02 12:00 |
18:15:34.73 |
-16:41:55.8 |
HIP 89453 |
8.68 |
| 2026-10-03 00:00 |
18:15:56.35 |
-16:43:15.3 |
HIP 89453 |
10.90 |
| 2026-10-03 12:00 |
18:16:18.19 |
-16:44:34.1 |
HIP 89453 |
14.87 |
| 2026-10-04 00:00 |
18:16:40.25 |
-16:45:52.4 |
HIP 89584 |
14.97 |
| 2026-10-04 12:00 |
18:17:02.53 |
-16:47:10.2 |
HIP 89584 |
16.39 |
| 2026-10-05 00:00 |
18:17:25.04 |
-16:48:27.3 |
HIP 89584 |
19.34 |
| 2026-10-05 12:00 |
18:17:47.76 |
-16:49:43.8 |
HIP 89584 |
23.28 |
| 2026-10-06 00:00 |
18:18:10.70 |
-16:50:59.7 |
HIP 89584 |
27.82 |
| 2026-10-06 12:00 |
18:18:33.86 |
-16:52:15.1 |
HIP 89831 |
22.62 |
| 2026-10-07 00:00 |
18:18:57.23 |
-16:53:29.8 |
HIP 89831 |
17.35 |
| 2026-10-07 12:00 |
18:19:20.82 |
-16:54:43.9 |
HIP 89831 |
12.45 |
| 2026-10-08 00:00 |
18:19:44.62 |
-16:55:57.3 |
HIP 89831 |
8.69 |
| 2026-10-08 12:00 |
18:20:08.64 |
-16:57:10.1 |
HIP 89842 |
6.51 |
| 2026-10-09 00:00 |
18:20:32.86 |
-16:58:22.3 |
HIP 89842 |
8.82 |
| 2026-10-09 12:00 |
18:20:57.30 |
-16:59:33.9 |
HIP 89933 |
9.56 |
| 2026-10-10 00:00 |
18:21:21.95 |
-17:00:44.8 |
HIP 89933 |
9.83 |
| 2026-10-10 12:00 |
18:21:46.80 |
-17:01:55.0 |
HIP 89933 |
13.23 |
| 2026-10-11 00:00 |
18:22:11.86 |
-17:03:04.6 |
HIP 89933 |
18.13 |