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) |
| 2026-06-01 00:00 |
18:38:33.12 |
-11:48:08.0 |
HIP 91431 |
15.27 |
| 2026-06-01 12:00 |
18:38:20.09 |
-11:47:57.5 |
HIP 91431 |
16.36 |
| 2026-06-02 00:00 |
18:38:06.86 |
-11:47:47.9 |
HIP 91431 |
17.97 |
| 2026-06-02 12:00 |
18:37:53.43 |
-11:47:39.2 |
HIP 91431 |
20.00 |
| 2026-06-03 00:00 |
18:37:39.81 |
-11:47:31.4 |
HIP 91431 |
22.35 |
| 2026-06-03 12:00 |
18:37:26.00 |
-11:47:24.6 |
HIP 91431 |
24.95 |
| 2026-06-04 00:00 |
18:37:11.99 |
-11:47:18.7 |
HIP 91340 |
27.58 |
| 2026-06-04 12:00 |
18:36:57.81 |
-11:47:13.7 |
HIP 91340 |
28.85 |
| 2026-06-05 00:00 |
18:36:43.43 |
-11:47:09.7 |
HIP 91340 |
30.50 |
| 2026-06-05 12:00 |
18:36:28.88 |
-11:47:06.6 |
HIP 91340 |
32.48 |
| 2026-06-06 00:00 |
18:36:14.14 |
-11:47:04.5 |
HIP 91340 |
34.76 |
| 2026-06-06 12:00 |
18:35:59.23 |
-11:47:03.3 |
HIP 91340 |
37.30 |
| 2026-06-07 00:00 |
18:35:44.14 |
-11:47:03.1 |
HIP 90979 |
34.26 |
| 2026-06-07 12:00 |
18:35:28.88 |
-11:47:03.9 |
HIP 90979 |
30.68 |
| 2026-06-08 00:00 |
18:35:13.45 |
-11:47:05.6 |
HIP 90979 |
27.09 |
| 2026-06-08 12:00 |
18:34:57.85 |
-11:47:08.4 |
HIP 90979 |
23.54 |
| 2026-06-09 00:00 |
18:34:42.09 |
-11:47:12.0 |
HIP 90979 |
20.06 |
| 2026-06-09 12:00 |
18:34:26.17 |
-11:47:16.7 |
HIP 90979 |
16.72 |
| 2026-06-10 00:00 |
18:34:10.09 |
-11:47:22.4 |
HIP 90979 |
13.66 |
| 2026-06-10 12:00 |
18:33:53.86 |
-11:47:29.0 |
HIP 90979 |
11.16 |
| 2026-06-11 00:00 |
18:33:37.47 |
-11:47:36.6 |
HIP 90979 |
9.71 |
| 2026-06-11 12:00 |
18:33:20.94 |
-11:47:45.3 |
HIP 90979 |
9.83 |
| 2026-06-12 00:00 |
18:33:04.26 |
-11:47:54.9 |
HIP 90979 |
11.51 |
| 2026-06-12 12:00 |
18:32:47.44 |
-11:48:05.5 |
HIP 90979 |
14.24 |
| 2026-06-13 00:00 |
18:32:30.48 |
-11:48:17.1 |
HIP 90849 |
11.95 |
| 2026-06-13 12:00 |
18:32:13.38 |
-11:48:29.7 |
HIP 90849 |
10.09 |
| 2026-06-14 00:00 |
18:31:56.16 |
-11:48:43.4 |
HIP 90849 |
9.81 |
| 2026-06-14 12:00 |
18:31:38.80 |
-11:48:58.0 |
HIP 90774 |
8.10 |
| 2026-06-15 00:00 |
18:31:21.33 |
-11:49:13.7 |
HIP 90774 |
4.87 |
| 2026-06-15 12:00 |
18:31:03.73 |
-11:49:30.3 |
HIP 90774 |
4.30 |
| 2026-06-16 00:00 |
18:30:46.01 |
-11:49:48.0 |
HIP 90774 |
7.12 |
| 2026-06-16 12:00 |
18:30:28.19 |
-11:50:06.7 |
HIP 90774 |
11.01 |
| 2026-06-17 00:00 |
18:30:10.25 |
-11:50:26.3 |
HIP 90774 |
15.18 |
| 2026-06-17 12:00 |
18:29:52.22 |
-11:50:47.0 |
HIP 90774 |
19.48 |
| 2026-06-18 00:00 |
18:29:34.08 |
-11:51:08.7 |
HIP 90774 |
23.85 |
| 2026-06-18 12:00 |
18:29:15.84 |
-11:51:31.4 |
HIP 90774 |
28.26 |
| 2026-06-19 00:00 |
18:28:57.51 |
-11:51:55.2 |
HIP 90774 |
32.72 |
| 2026-06-19 12:00 |
18:28:39.10 |
-11:52:19.9 |
HIP 90661 |
36.18 |
| 2026-06-20 00:00 |
18:28:20.60 |
-11:52:45.6 |
HIP 90661 |
38.36 |
| 2026-06-20 12:00 |
18:28:02.02 |
-11:53:12.3 |
HIP 90402 |
37.26 |
| 2026-06-21 00:00 |
18:27:43.37 |
-11:53:40.0 |
HIP 90402 |
35.51 |
| 2026-06-21 12:00 |
18:27:24.64 |
-11:54:08.7 |
HIP 90402 |
34.31 |
| 2026-06-22 00:00 |
18:27:05.84 |
-11:54:38.4 |
HIP 90402 |
33.71 |