メタデータ
| 項目 |
値 |
| Designation |
P/2022 L3 (ATLAS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2022-10-29T23:14:50.245440Z |
| Orbit solution date (soln_date, UTC) |
2024-02-25T22:12:58Z |
| Obs used |
1088 |
| NEO |
- |
| M1 |
10.700 |
| K1 |
11.750 |
| PC |
0.030 |
| Discovery observation (MPC, UTC) |
2022-06-12T13:45:41.500800Z |
| Discovery magnitude (MPC) |
17.64 o |
| Discovery observatory (MPC) |
T08 · ATLAS-MLO, Mauna Loa |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2022-10-31.0000000 |
| e |
0.62815598 |
| q (au) |
2.419843 |
| a (au) |
6.507682 |
| i (deg) |
21.542413 |
| Ω (om, deg) |
29.804698 |
| ω (w, deg) |
10.331548 |
| M (ma, deg) |
0.061232 |
等級
散乱 + 全体線形
$$
M_a = (10.036 + 4.594\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
10.036 |
| n |
4.594 |
| gf |
1.000 |
| gb |
-0.819 |
| k |
0.999 |
| 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) |
| 2026-09-20 00:00 |
12:38:41.46 |
+03:42:13.2 |
HIP 61637 |
26.91 |
| 2026-09-20 12:00 |
12:38:55.11 |
+03:40:24.7 |
HIP 61637 |
26.65 |
| 2026-09-21 00:00 |
12:39:08.78 |
+03:38:36.3 |
HIP 61637 |
26.96 |
| 2026-09-21 12:00 |
12:39:22.45 |
+03:36:48.0 |
HIP 61881 |
26.71 |
| 2026-09-22 00:00 |
12:39:36.14 |
+03:35:00.0 |
HIP 61881 |
25.19 |
| 2026-09-22 12:00 |
12:39:49.84 |
+03:33:12.0 |
HIP 61881 |
24.20 |
| 2026-09-23 00:00 |
12:40:03.55 |
+03:31:24.1 |
HIP 61881 |
23.79 |
| 2026-09-23 12:00 |
12:40:17.28 |
+03:29:36.4 |
HIP 61881 |
24.01 |
| 2026-09-24 00:00 |
12:40:31.01 |
+03:27:48.9 |
HIP 61881 |
24.83 |
| 2026-09-24 12:00 |
12:40:44.75 |
+03:26:01.5 |
HIP 61881 |
26.19 |
| 2026-09-25 00:00 |
12:40:58.50 |
+03:24:14.2 |
HIP 61881 |
28.03 |
| 2026-09-25 12:00 |
12:41:12.26 |
+03:22:27.1 |
HIP 61881 |
30.25 |
| 2026-09-26 00:00 |
12:41:26.03 |
+03:20:40.2 |
HIP 61881 |
32.78 |
| 2026-09-26 12:00 |
12:41:39.81 |
+03:18:53.4 |
HIP 61881 |
35.54 |
| 2026-09-27 00:00 |
12:41:53.59 |
+03:17:06.8 |
HIP 62022 |
35.09 |
| 2026-09-27 12:00 |
12:42:07.38 |
+03:15:20.3 |
HIP 62022 |
32.23 |
| 2026-09-28 00:00 |
12:42:21.18 |
+03:13:34.0 |
HIP 62022 |
29.61 |
| 2026-09-28 12:00 |
12:42:34.98 |
+03:11:47.9 |
HIP 62147 |
26.86 |
| 2026-09-29 00:00 |
12:42:48.79 |
+03:10:02.0 |
HIP 62147 |
24.40 |
| 2026-09-29 12:00 |
12:43:02.60 |
+03:08:16.2 |
HIP 62147 |
22.34 |
| 2026-09-30 00:00 |
12:43:16.42 |
+03:06:30.6 |
HIP 62147 |
20.81 |
| 2026-09-30 12:00 |
12:43:30.24 |
+03:04:45.2 |
HIP 62147 |
19.91 |
| 2026-10-01 00:00 |
12:43:44.06 |
+03:03:00.0 |
HIP 62147 |
19.74 |
| 2026-10-01 12:00 |
12:43:57.89 |
+03:01:14.9 |
HIP 62147 |
20.32 |
| 2026-10-02 00:00 |
12:44:11.72 |
+02:59:30.1 |
HIP 62147 |
21.59 |
| 2026-10-02 12:00 |
12:44:25.55 |
+02:57:45.5 |
HIP 62147 |
23.43 |
| 2026-10-03 00:00 |
12:44:39.38 |
+02:56:01.0 |
HIP 62091 |
25.17 |
| 2026-10-03 12:00 |
12:44:53.22 |
+02:54:16.8 |
HIP 62307 |
25.43 |
| 2026-10-04 00:00 |
12:45:07.05 |
+02:52:32.7 |
HIP 62307 |
21.86 |
| 2026-10-04 12:00 |
12:45:20.88 |
+02:50:48.9 |
HIP 62307 |
18.40 |
| 2026-10-05 00:00 |
12:45:34.71 |
+02:49:05.3 |
HIP 62307 |
15.15 |
| 2026-10-05 12:00 |
12:45:48.54 |
+02:47:21.9 |
HIP 62307 |
12.26 |
| 2026-10-06 00:00 |
12:46:02.37 |
+02:45:38.7 |
HIP 62307 |
10.05 |
| 2026-10-06 12:00 |
12:46:16.20 |
+02:43:55.8 |
HIP 62307 |
9.03 |
| 2026-10-07 00:00 |
12:46:30.02 |
+02:42:13.0 |
HIP 62307 |
9.58 |
| 2026-10-07 12:00 |
12:46:43.84 |
+02:40:30.5 |
HIP 62307 |
11.48 |
| 2026-10-08 00:00 |
12:46:57.66 |
+02:38:48.3 |
HIP 62307 |
14.19 |
| 2026-10-08 12:00 |
12:47:11.46 |
+02:37:06.2 |
HIP 62318 |
16.89 |
| 2026-10-09 00:00 |
12:47:25.27 |
+02:35:24.5 |
HIP 62318 |
19.14 |
| 2026-10-09 12:00 |
12:47:39.07 |
+02:33:42.9 |
HIP 62318 |
21.83 |
| 2026-10-10 00:00 |
12:47:52.86 |
+02:32:01.7 |
HIP 62318 |
24.83 |
| 2026-10-10 12:00 |
12:48:06.64 |
+02:30:20.6 |
HIP 62331 |
27.74 |
| 2026-10-11 00:00 |
12:48:20.41 |
+02:28:39.9 |
HIP 62331 |
30.41 |