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) |
| 2026-05-12 00:00 |
12:13:33.00 |
+09:43:15.8 |
HIP 59610 |
19.29 |
| 2026-05-12 12:00 |
12:13:26.04 |
+09:43:02.8 |
HIP 59610 |
19.51 |
| 2026-05-13 00:00 |
12:13:19.18 |
+09:42:48.9 |
HIP 59610 |
19.89 |
| 2026-05-13 12:00 |
12:13:12.43 |
+09:42:34.2 |
HIP 59572 |
20.09 |
| 2026-05-14 00:00 |
12:13:05.80 |
+09:42:18.7 |
HIP 59572 |
20.11 |
| 2026-05-14 12:00 |
12:12:59.27 |
+09:42:02.3 |
HIP 59572 |
20.28 |
| 2026-05-15 00:00 |
12:12:52.86 |
+09:41:45.1 |
HIP 59572 |
20.59 |
| 2026-05-15 12:00 |
12:12:46.55 |
+09:41:27.1 |
HIP 59572 |
21.03 |
| 2026-05-16 00:00 |
12:12:40.36 |
+09:41:08.2 |
HIP 59572 |
21.59 |
| 2026-05-16 12:00 |
12:12:34.29 |
+09:40:48.5 |
HIP 59572 |
22.25 |
| 2026-05-17 00:00 |
12:12:28.32 |
+09:40:28.0 |
HIP 59572 |
22.99 |
| 2026-05-17 12:00 |
12:12:22.47 |
+09:40:06.6 |
HIP 59485 |
22.42 |
| 2026-05-18 00:00 |
12:12:16.74 |
+09:39:44.4 |
HIP 59485 |
21.74 |
| 2026-05-18 12:00 |
12:12:11.12 |
+09:39:21.4 |
HIP 59485 |
21.13 |
| 2026-05-19 00:00 |
12:12:05.61 |
+09:38:57.6 |
HIP 59485 |
20.59 |
| 2026-05-19 12:00 |
12:12:00.22 |
+09:38:32.9 |
HIP 59485 |
20.12 |
| 2026-05-20 00:00 |
12:11:54.95 |
+09:38:07.5 |
HIP 59485 |
19.73 |
| 2026-05-20 12:00 |
12:11:49.79 |
+09:37:41.2 |
HIP 59485 |
19.40 |
| 2026-05-21 00:00 |
12:11:44.74 |
+09:37:14.1 |
HIP 59485 |
19.15 |
| 2026-05-21 12:00 |
12:11:39.82 |
+09:36:46.2 |
HIP 59485 |
18.97 |
| 2026-05-22 00:00 |
12:11:35.01 |
+09:36:17.5 |
HIP 59485 |
18.85 |
| 2026-05-22 12:00 |
12:11:30.31 |
+09:35:48.1 |
HIP 59485 |
18.79 |
| 2026-05-23 00:00 |
12:11:25.73 |
+09:35:17.8 |
HIP 59485 |
18.80 |
| 2026-05-23 12:00 |
12:11:21.27 |
+09:34:46.7 |
HIP 59485 |
18.86 |
| 2026-05-24 00:00 |
12:11:16.93 |
+09:34:14.8 |
HIP 59485 |
18.97 |
| 2026-05-24 12:00 |
12:11:12.70 |
+09:33:42.2 |
HIP 59485 |
19.13 |
| 2026-05-25 00:00 |
12:11:08.59 |
+09:33:08.8 |
HIP 59485 |
19.33 |
| 2026-05-25 12:00 |
12:11:04.60 |
+09:32:34.5 |
HIP 59485 |
19.56 |
| 2026-05-26 00:00 |
12:11:00.72 |
+09:31:59.6 |
HIP 59485 |
19.83 |
| 2026-05-26 12:00 |
12:10:56.96 |
+09:31:23.8 |
HIP 59485 |
20.13 |
| 2026-05-27 00:00 |
12:10:53.32 |
+09:30:47.3 |
HIP 59485 |
20.45 |
| 2026-05-27 12:00 |
12:10:49.79 |
+09:30:10.0 |
HIP 59485 |
20.79 |
| 2026-05-28 00:00 |
12:10:46.38 |
+09:29:32.0 |
HIP 59286 |
19.94 |
| 2026-05-28 12:00 |
12:10:43.09 |
+09:28:53.2 |
HIP 59286 |
18.90 |
| 2026-05-29 00:00 |
12:10:39.92 |
+09:28:13.7 |
HIP 59286 |
17.88 |
| 2026-05-29 12:00 |
12:10:36.86 |
+09:27:33.4 |
HIP 59286 |
16.88 |
| 2026-05-30 00:00 |
12:10:33.92 |
+09:26:52.3 |
HIP 59286 |
15.89 |
| 2026-05-30 12:00 |
12:10:31.10 |
+09:26:10.6 |
HIP 59286 |
14.91 |
| 2026-05-31 00:00 |
12:10:28.39 |
+09:25:28.0 |
HIP 59286 |
13.96 |
| 2026-05-31 12:00 |
12:10:25.80 |
+09:24:44.8 |
HIP 59286 |
13.03 |
| 2026-06-01 00:00 |
12:10:23.33 |
+09:24:00.8 |
HIP 59286 |
12.11 |
| 2026-06-01 12:00 |
12:10:20.98 |
+09:23:16.1 |
HIP 59286 |
11.23 |
| 2026-06-02 00:00 |
12:10:18.74 |
+09:22:30.7 |
HIP 59286 |
10.37 |