メタデータ
| 項目 |
値 |
| Designation |
C/2024 L3 (PANSTARRS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2023-11-24T09:49:27.088320Z |
| Orbit solution date (soln_date, UTC) |
2025-01-14T17:42:13Z |
| Obs used |
34 |
| NEO |
- |
| M1 |
9.700 |
| K1 |
10.000 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2024-06-07T11:28:43.910400Z |
| Discovery magnitude (MPC) |
22.49 w |
| Discovery observatory (MPC) |
F52 · Pan-STARRS 2, Haleakala |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2024-06-04.0000000 |
| e |
1.00558885 |
| q (au) |
6.858505 |
| a (au) |
-1227.177282 |
| i (deg) |
111.592112 |
| Ω (om, deg) |
294.984392 |
| ω (w, deg) |
59.083315 |
| M (ma, deg) |
0.004415 |
等級
散乱 + 全体線形
$$
M_a = (12.969 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
12.969 |
| n |
2.000 |
| gf |
0.988 |
| gb |
-0.967 |
| k |
1.000 |
| δ90 |
9.994 |
| 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) |
| 2026-03-26 00:00 |
13:05:16.40 |
+66:21:35.1 |
HIP 63763 |
29.89 |
| 2026-03-26 12:00 |
13:04:29.59 |
+66:22:42.5 |
HIP 63763 |
30.29 |
| 2026-03-27 00:00 |
13:03:42.70 |
+66:23:47.3 |
HIP 63432 |
25.68 |
| 2026-03-27 12:00 |
13:02:55.75 |
+66:24:49.4 |
HIP 63432 |
21.09 |
| 2026-03-28 00:00 |
13:02:08.73 |
+66:25:49.0 |
HIP 63432 |
16.65 |
| 2026-03-28 12:00 |
13:01:21.65 |
+66:26:45.9 |
HIP 63432 |
12.50 |
| 2026-03-29 00:00 |
13:00:34.52 |
+66:27:40.1 |
HIP 63432 |
9.06 |
| 2026-03-29 12:00 |
12:59:47.35 |
+66:28:31.8 |
HIP 63432 |
7.35 |
| 2026-03-30 00:00 |
12:59:00.13 |
+66:29:20.8 |
HIP 63432 |
8.50 |
| 2026-03-30 12:00 |
12:58:12.89 |
+66:30:07.1 |
HIP 63289 |
9.75 |
| 2026-03-31 00:00 |
12:57:25.62 |
+66:30:50.9 |
HIP 63289 |
10.09 |
| 2026-03-31 12:00 |
12:56:38.34 |
+66:31:32.0 |
HIP 63289 |
12.42 |
| 2026-04-01 00:00 |
12:55:51.04 |
+66:32:10.4 |
HIP 63289 |
15.89 |
| 2026-04-01 12:00 |
12:55:03.74 |
+66:32:46.3 |
HIP 62839 |
14.95 |
| 2026-04-02 00:00 |
12:54:16.44 |
+66:33:19.5 |
HIP 62839 |
10.24 |
| 2026-04-02 12:00 |
12:53:29.14 |
+66:33:50.0 |
HIP 62839 |
5.61 |
| 2026-04-03 00:00 |
12:52:41.86 |
+66:34:18.0 |
HIP 62839 |
1.67 |
| 2026-04-03 12:00 |
12:51:54.60 |
+66:34:43.3 |
HIP 62839 |
4.33 |
| 2026-04-04 00:00 |
12:51:07.36 |
+66:35:06.0 |
HIP 62839 |
8.90 |
| 2026-04-04 12:00 |
12:50:20.16 |
+66:35:26.1 |
HIP 62839 |
13.56 |
| 2026-04-05 00:00 |
12:49:33.00 |
+66:35:43.6 |
HIP 62423 |
16.57 |
| 2026-04-05 12:00 |
12:48:45.89 |
+66:35:58.4 |
HIP 62423 |
13.46 |
| 2026-04-06 00:00 |
12:47:58.82 |
+66:36:10.7 |
HIP 62423 |
11.50 |
| 2026-04-06 12:00 |
12:47:11.82 |
+66:36:20.3 |
HIP 62423 |
11.30 |
| 2026-04-07 00:00 |
12:46:24.88 |
+66:36:27.4 |
HIP 62423 |
12.94 |
| 2026-04-07 12:00 |
12:45:38.01 |
+66:36:31.9 |
HIP 62423 |
15.84 |
| 2026-04-08 00:00 |
12:44:51.22 |
+66:36:33.7 |
HIP 62423 |
19.44 |
| 2026-04-08 12:00 |
12:44:04.51 |
+66:36:33.1 |
HIP 61929 |
21.49 |
| 2026-04-09 00:00 |
12:43:17.90 |
+66:36:29.8 |
HIP 61929 |
18.55 |
| 2026-04-09 12:00 |
12:42:31.38 |
+66:36:24.0 |
HIP 61929 |
16.43 |
| 2026-04-10 00:00 |
12:41:44.96 |
+66:36:15.6 |
HIP 61929 |
15.48 |
| 2026-04-10 12:00 |
12:40:58.65 |
+66:36:04.7 |
HIP 61929 |
15.89 |
| 2026-04-11 00:00 |
12:40:12.46 |
+66:35:51.3 |
HIP 61929 |
17.57 |
| 2026-04-11 12:00 |
12:39:26.38 |
+66:35:35.3 |
HIP 61929 |
20.19 |
| 2026-04-12 00:00 |
12:38:40.43 |
+66:35:16.8 |
HIP 61929 |
23.43 |
| 2026-04-12 12:00 |
12:37:54.62 |
+66:34:55.8 |
HIP 61929 |
27.07 |
| 2026-04-13 00:00 |
12:37:08.94 |
+66:34:32.4 |
HIP 61929 |
30.96 |
| 2026-04-13 12:00 |
12:36:23.41 |
+66:34:06.4 |
HIP 61126 |
28.59 |
| 2026-04-14 00:00 |
12:35:38.03 |
+66:33:38.0 |
HIP 61126 |
24.14 |
| 2026-04-14 12:00 |
12:34:52.80 |
+66:33:07.1 |
HIP 61126 |
19.75 |
| 2026-04-15 00:00 |
12:34:07.74 |
+66:32:33.7 |
HIP 61126 |
15.46 |
| 2026-04-15 12:00 |
12:33:22.84 |
+66:31:58.0 |
HIP 61126 |
11.35 |
| 2026-04-16 00:00 |
12:32:38.12 |
+66:31:19.8 |
HIP 61126 |
7.75 |