P/2024 X3 (PANSTARRS)
メタデータ
| 項目 |
値 |
| Designation |
P/2024 X3 (PANSTARRS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2024-09-05T18:37:02.665920Z |
| Orbit solution date (soln_date, UTC) |
2026-01-07T15:42:53Z |
| Obs used |
108 |
| NEO |
- |
| M1 |
16.400 |
| K1 |
4.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2024-12-08T13:42:54.835200Z |
| Discovery magnitude (MPC) |
21.06 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) |
2025-02-10.0000000 |
| e |
0.62626756 |
| q (au) |
2.614082 |
| a (au) |
6.994529 |
| i (deg) |
2.972346 |
| Ω (om, deg) |
113.364815 |
| ω (w, deg) |
352.940588 |
| M (ma, deg) |
8.376951 |
等級
散乱 + 全体線形
$$
M_a = (16.364 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
16.364 |
| n |
2.000 |
| gf |
0.932 |
| gb |
-0.923 |
| k |
0.999 |
| δ90 |
1.000 |
| 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
ファインディングチャート
天体暦
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-02-03 00:00 |
14:20:56.20 |
-10:44:16.5 |
HIP 70204 |
13.71 |
| 2026-02-03 12:00 |
14:21:02.94 |
-10:44:30.0 |
HIP 70204 |
12.23 |
| 2026-02-04 00:00 |
14:21:09.47 |
-10:44:42.4 |
HIP 70204 |
10.84 |
| 2026-02-04 12:00 |
14:21:15.80 |
-10:44:53.7 |
HIP 70204 |
9.56 |
| 2026-02-05 00:00 |
14:21:21.91 |
-10:45:03.9 |
HIP 70204 |
8.40 |
| 2026-02-05 12:00 |
14:21:27.82 |
-10:45:13.0 |
HIP 70204 |
7.40 |
| 2026-02-06 00:00 |
14:21:33.52 |
-10:45:21.0 |
HIP 70204 |
6.59 |
| 2026-02-06 12:00 |
14:21:39.00 |
-10:45:28.0 |
HIP 70204 |
6.01 |
| 2026-02-07 00:00 |
14:21:44.28 |
-10:45:33.9 |
HIP 70204 |
5.69 |
| 2026-02-07 12:00 |
14:21:49.35 |
-10:45:38.7 |
HIP 70204 |
5.64 |
| 2026-02-08 00:00 |
14:21:54.20 |
-10:45:42.4 |
HIP 70204 |
5.83 |
| 2026-02-08 12:00 |
14:21:58.85 |
-10:45:45.0 |
HIP 70204 |
6.21 |
| 2026-02-09 00:00 |
14:22:03.28 |
-10:45:46.6 |
HIP 70204 |
6.72 |
| 2026-02-09 12:00 |
14:22:07.49 |
-10:45:47.0 |
HIP 70204 |
7.31 |
| 2026-02-10 00:00 |
14:22:11.50 |
-10:45:46.4 |
HIP 70204 |
7.95 |
| 2026-02-10 12:00 |
14:22:15.29 |
-10:45:44.7 |
HIP 70204 |
8.60 |
| 2026-02-11 00:00 |
14:22:18.86 |
-10:45:41.9 |
HIP 70294 |
9.20 |
| 2026-02-11 12:00 |
14:22:22.22 |
-10:45:38.0 |
HIP 70294 |
8.37 |
| 2026-02-12 00:00 |
14:22:25.37 |
-10:45:33.1 |
HIP 70294 |
7.59 |
| 2026-02-12 12:00 |
14:22:28.30 |
-10:45:27.0 |
HIP 70294 |
6.87 |
| 2026-02-13 00:00 |
14:22:31.01 |
-10:45:19.9 |
HIP 70294 |
6.19 |
| 2026-02-13 12:00 |
14:22:33.51 |
-10:45:11.7 |
HIP 70294 |
5.58 |
| 2026-02-14 00:00 |
14:22:35.80 |
-10:45:02.4 |
HIP 70294 |
5.01 |
| 2026-02-14 12:00 |
14:22:37.86 |
-10:44:52.0 |
HIP 70294 |
4.51 |
| 2026-02-15 00:00 |
14:22:39.71 |
-10:44:40.6 |
HIP 70294 |
4.07 |
| 2026-02-15 12:00 |
14:22:41.34 |
-10:44:28.1 |
HIP 70294 |
3.70 |
| 2026-02-16 00:00 |
14:22:42.76 |
-10:44:14.5 |
HIP 70294 |
3.40 |
| 2026-02-16 12:00 |
14:22:43.95 |
-10:43:59.9 |
HIP 70294 |
3.19 |
| 2026-02-17 00:00 |
14:22:44.93 |
-10:43:44.2 |
HIP 70294 |
3.06 |
| 2026-02-17 12:00 |
14:22:45.70 |
-10:43:27.4 |
HIP 70294 |
3.03 |
| 2026-02-18 00:00 |
14:22:46.24 |
-10:43:09.6 |
HIP 70294 |
3.09 |
| 2026-02-18 12:00 |
14:22:46.57 |
-10:42:50.7 |
HIP 70294 |
3.23 |
| 2026-02-19 00:00 |
14:22:46.68 |
-10:42:30.7 |
HIP 70294 |
3.45 |
| 2026-02-19 12:00 |
14:22:46.58 |
-10:42:09.7 |
HIP 70294 |
3.73 |
| 2026-02-20 00:00 |
14:22:46.26 |
-10:41:47.7 |
HIP 70294 |
4.06 |
| 2026-02-20 12:00 |
14:22:45.72 |
-10:41:24.6 |
HIP 70294 |
4.45 |
| 2026-02-21 00:00 |
14:22:44.96 |
-10:41:00.5 |
HIP 70294 |
4.89 |
| 2026-02-21 12:00 |
14:22:43.99 |
-10:40:35.3 |
HIP 70294 |
5.37 |
| 2026-02-22 00:00 |
14:22:42.81 |
-10:40:09.1 |
HIP 70294 |
5.90 |
| 2026-02-22 12:00 |
14:22:41.40 |
-10:39:41.9 |
HIP 70294 |
6.46 |
| 2026-02-23 00:00 |
14:22:39.79 |
-10:39:13.6 |
HIP 70294 |
7.08 |
| 2026-02-23 12:00 |
14:22:37.96 |
-10:38:44.3 |
HIP 70294 |
7.73 |
| 2026-02-24 00:00 |
14:22:35.92 |
-10:38:14.0 |
HIP 70294 |
8.44 |