P/2024 R3 (PANSTARRS)
メタデータ
| 項目 |
値 |
| Designation |
P/2024 R3 (PANSTARRS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2024-05-07T17:15:21.168000Z |
| Orbit solution date (soln_date, UTC) |
2024-12-26T20:12:38Z |
| Obs used |
80 |
| NEO |
- |
| M1 |
14.500 |
| K1 |
11.750 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2024-09-08T11:47:55.017600Z |
| Discovery magnitude (MPC) |
21.16 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) |
2024-10-01.0000000 |
| e |
0.26657783 |
| q (au) |
2.344971 |
| a (au) |
3.197300 |
| i (deg) |
14.731631 |
| Ω (om, deg) |
33.281134 |
| ω (w, deg) |
309.091945 |
| M (ma, deg) |
25.218365 |
等級
散乱 + 全体線形
$$
M_a = (12.269 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
12.269 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.958 |
| k |
1.000 |
| δ90 |
9.998 |
| 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 |
07:44:21.69 |
+41:03:08.9 |
HIP 37800 |
11.53 |
| 2026-02-03 12:00 |
07:43:55.31 |
+41:02:52.8 |
HIP 37800 |
15.47 |
| 2026-02-04 00:00 |
07:43:29.17 |
+41:02:34.4 |
HIP 37800 |
19.86 |
| 2026-02-04 12:00 |
07:43:03.28 |
+41:02:13.6 |
HIP 37800 |
24.43 |
| 2026-02-05 00:00 |
07:42:37.64 |
+41:01:50.4 |
HIP 37481 |
22.37 |
| 2026-02-05 12:00 |
07:42:12.25 |
+41:01:24.9 |
HIP 37481 |
20.03 |
| 2026-02-06 00:00 |
07:41:47.13 |
+41:00:57.0 |
HIP 37481 |
18.63 |
| 2026-02-06 12:00 |
07:41:22.27 |
+41:00:26.9 |
HIP 37365 |
15.97 |
| 2026-02-07 00:00 |
07:40:57.68 |
+40:59:54.5 |
HIP 37365 |
12.92 |
| 2026-02-07 12:00 |
07:40:33.37 |
+40:59:19.9 |
HIP 37365 |
11.12 |
| 2026-02-08 00:00 |
07:40:09.34 |
+40:58:43.0 |
HIP 37365 |
11.12 |
| 2026-02-08 12:00 |
07:39:45.59 |
+40:58:03.9 |
HIP 37211 |
12.81 |
| 2026-02-09 00:00 |
07:39:22.13 |
+40:57:22.6 |
HIP 37211 |
8.35 |
| 2026-02-09 12:00 |
07:38:58.97 |
+40:56:39.2 |
HIP 37211 |
3.99 |
| 2026-02-10 00:00 |
07:38:36.11 |
+40:55:53.6 |
HIP 37211 |
1.24 |
| 2026-02-10 12:00 |
07:38:13.55 |
+40:55:05.9 |
HIP 37211 |
5.02 |
| 2026-02-11 00:00 |
07:37:51.29 |
+40:54:16.1 |
HIP 37211 |
9.25 |
| 2026-02-11 12:00 |
07:37:29.35 |
+40:53:24.2 |
HIP 37211 |
13.47 |
| 2026-02-12 00:00 |
07:37:07.72 |
+40:52:30.3 |
HIP 37211 |
17.65 |
| 2026-02-12 12:00 |
07:36:46.41 |
+40:51:34.4 |
HIP 37211 |
21.78 |
| 2026-02-13 00:00 |
07:36:25.43 |
+40:50:36.4 |
HIP 36873 |
18.23 |
| 2026-02-13 12:00 |
07:36:04.77 |
+40:49:36.5 |
HIP 36873 |
14.53 |
| 2026-02-14 00:00 |
07:35:44.44 |
+40:48:34.6 |
HIP 36873 |
11.13 |
| 2026-02-14 12:00 |
07:35:24.44 |
+40:47:30.8 |
HIP 36873 |
8.33 |
| 2026-02-15 00:00 |
07:35:04.78 |
+40:46:25.1 |
HIP 36873 |
6.82 |
| 2026-02-15 12:00 |
07:34:45.46 |
+40:45:17.6 |
HIP 36873 |
7.36 |
| 2026-02-16 00:00 |
07:34:26.48 |
+40:44:08.1 |
HIP 36873 |
9.53 |
| 2026-02-16 12:00 |
07:34:07.85 |
+40:42:56.9 |
HIP 36873 |
12.48 |
| 2026-02-17 00:00 |
07:33:49.56 |
+40:41:43.9 |
HIP 36873 |
15.73 |
| 2026-02-17 12:00 |
07:33:31.63 |
+40:40:29.1 |
HIP 36873 |
19.10 |
| 2026-02-18 00:00 |
07:33:14.05 |
+40:39:12.5 |
HIP 36873 |
22.51 |
| 2026-02-18 12:00 |
07:32:56.83 |
+40:37:54.3 |
HIP 36533 |
25.54 |
| 2026-02-19 00:00 |
07:32:39.96 |
+40:36:34.4 |
HIP 36533 |
22.09 |
| 2026-02-19 12:00 |
07:32:23.46 |
+40:35:12.8 |
HIP 36533 |
18.68 |
| 2026-02-20 00:00 |
07:32:07.32 |
+40:33:49.5 |
HIP 36533 |
15.32 |
| 2026-02-20 12:00 |
07:31:51.54 |
+40:32:24.7 |
HIP 36533 |
12.01 |
| 2026-02-21 00:00 |
07:31:36.13 |
+40:30:58.3 |
HIP 36533 |
8.75 |
| 2026-02-21 12:00 |
07:31:21.09 |
+40:29:30.3 |
HIP 36533 |
5.55 |
| 2026-02-22 00:00 |
07:31:06.42 |
+40:28:00.8 |
HIP 36533 |
2.40 |
| 2026-02-22 12:00 |
07:30:52.11 |
+40:26:29.9 |
HIP 36533 |
0.81 |
| 2026-02-23 00:00 |
07:30:38.18 |
+40:24:57.4 |
HIP 36533 |
3.81 |
| 2026-02-23 12:00 |
07:30:24.62 |
+40:23:23.5 |
HIP 36533 |
6.82 |
| 2026-02-24 00:00 |
07:30:11.44 |
+40:21:48.2 |
HIP 36533 |
9.79 |