363P/Lemmon
メタデータ
| 項目 |
値 |
| Designation |
363P/Lemmon |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2018-03-22T13:30:17.461440Z |
| Orbit solution date (soln_date, UTC) |
2025-04-11T14:45:16Z |
| Obs used |
124 |
| NEO |
- |
| M1 |
17.300 |
| K1 |
12.500 |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2015-09-25.0000000 |
| e |
0.55752671 |
| q (au) |
1.506711 |
| a (au) |
3.405202 |
| i (deg) |
3.974829 |
| Ω (om, deg) |
169.924921 |
| ω (w, deg) |
315.265579 |
| M (ma, deg) |
217.333360 |
等級
散乱 + 全体線形
$$
M_a = (16.388 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
16.388 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-1.000 |
| 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
天体暦
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-02-03 00:00 |
17:36:31.63 |
-18:49:24.0 |
HIP 86208 |
12.36 |
| 2026-02-03 12:00 |
17:37:01.83 |
-18:49:22.5 |
HIP 86208 |
10.14 |
| 2026-02-04 00:00 |
17:37:31.89 |
-18:49:20.4 |
HIP 86208 |
12.43 |
| 2026-02-04 12:00 |
17:38:01.81 |
-18:49:17.7 |
HIP 86208 |
17.51 |
| 2026-02-05 00:00 |
17:38:31.58 |
-18:49:14.5 |
HIP 86208 |
23.61 |
| 2026-02-05 12:00 |
17:39:01.21 |
-18:49:10.6 |
HIP 86402 |
24.81 |
| 2026-02-06 00:00 |
17:39:30.70 |
-18:49:06.2 |
HIP 86402 |
24.60 |
| 2026-02-06 12:00 |
17:40:00.04 |
-18:49:01.2 |
HIP 86402 |
26.29 |
| 2026-02-07 00:00 |
17:40:29.23 |
-18:48:55.6 |
HIP 86402 |
29.53 |
| 2026-02-07 12:00 |
17:40:58.28 |
-18:48:49.5 |
HIP 86593 |
29.12 |
| 2026-02-08 00:00 |
17:41:27.18 |
-18:48:42.8 |
HIP 86593 |
27.25 |
| 2026-02-08 12:00 |
17:41:55.92 |
-18:48:35.5 |
HIP 86593 |
27.03 |
| 2026-02-09 00:00 |
17:42:24.52 |
-18:48:27.7 |
HIP 86593 |
28.47 |
| 2026-02-09 12:00 |
17:42:52.96 |
-18:48:19.4 |
HIP 86873 |
30.56 |
| 2026-02-10 00:00 |
17:43:21.25 |
-18:48:10.5 |
HIP 86873 |
24.18 |
| 2026-02-10 12:00 |
17:43:49.39 |
-18:48:01.0 |
HIP 86873 |
18.05 |
| 2026-02-11 00:00 |
17:44:17.37 |
-18:47:51.1 |
HIP 86873 |
12.51 |
| 2026-02-11 12:00 |
17:44:45.19 |
-18:47:40.6 |
HIP 86873 |
8.66 |
| 2026-02-12 00:00 |
17:45:12.86 |
-18:47:29.6 |
HIP 86873 |
8.94 |
| 2026-02-12 12:00 |
17:45:40.37 |
-18:47:18.0 |
HIP 86873 |
13.03 |
| 2026-02-13 00:00 |
17:46:07.71 |
-18:47:06.0 |
HIP 86873 |
18.53 |
| 2026-02-13 12:00 |
17:46:34.90 |
-18:46:53.4 |
HIP 87096 |
18.76 |
| 2026-02-14 00:00 |
17:47:01.92 |
-18:46:40.4 |
HIP 87096 |
13.64 |
| 2026-02-14 12:00 |
17:47:28.78 |
-18:46:26.8 |
HIP 87096 |
10.11 |
| 2026-02-15 00:00 |
17:47:55.47 |
-18:46:12.7 |
HIP 87096 |
9.96 |
| 2026-02-15 12:00 |
17:48:21.99 |
-18:45:58.2 |
HIP 87176 |
8.74 |
| 2026-02-16 00:00 |
17:48:48.35 |
-18:45:43.2 |
HIP 87176 |
8.37 |
| 2026-02-16 12:00 |
17:49:14.54 |
-18:45:27.7 |
HIP 87176 |
11.89 |
| 2026-02-17 00:00 |
17:49:40.56 |
-18:45:11.7 |
HIP 87176 |
16.98 |
| 2026-02-17 12:00 |
17:50:06.41 |
-18:44:55.3 |
HIP 87176 |
22.58 |
| 2026-02-18 00:00 |
17:50:32.08 |
-18:44:38.4 |
HIP 87388 |
19.80 |
| 2026-02-18 12:00 |
17:50:57.59 |
-18:44:21.1 |
HIP 87388 |
16.70 |
| 2026-02-19 00:00 |
17:51:22.91 |
-18:44:03.3 |
HIP 87388 |
15.47 |
| 2026-02-19 12:00 |
17:51:48.06 |
-18:43:45.0 |
HIP 87388 |
16.47 |
| 2026-02-20 00:00 |
17:52:13.04 |
-18:43:26.4 |
HIP 87568 |
18.68 |
| 2026-02-20 12:00 |
17:52:37.83 |
-18:43:07.3 |
HIP 87568 |
14.07 |
| 2026-02-21 00:00 |
17:53:02.45 |
-18:42:47.7 |
HIP 87568 |
10.79 |
| 2026-02-21 12:00 |
17:53:26.89 |
-18:42:27.8 |
HIP 87568 |
10.16 |
| 2026-02-22 00:00 |
17:53:51.14 |
-18:42:07.4 |
HIP 87568 |
12.52 |
| 2026-02-22 12:00 |
17:54:15.22 |
-18:41:46.7 |
HIP 87568 |
16.60 |
| 2026-02-23 00:00 |
17:54:39.11 |
-18:41:25.5 |
HIP 87782 |
19.17 |
| 2026-02-23 12:00 |
17:55:02.81 |
-18:41:04.0 |
HIP 87782 |
14.22 |
| 2026-02-24 00:00 |
17:55:26.33 |
-18:40:42.0 |
HIP 87782 |
10.05 |