C/2024 T3 (PANSTARRS)
メタデータ
| 項目 |
値 |
| Designation |
C/2024 T3 (PANSTARRS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2025-03-15T06:23:33.469440Z |
| Orbit solution date (soln_date, UTC) |
2025-12-18T15:12:22Z |
| Obs used |
103 |
| NEO |
- |
| M1 |
10.300 |
| K1 |
11.000 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2024-10-10T12:57:38.505600Z |
| Discovery magnitude (MPC) |
20.06 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) |
2025-02-19.0000000 |
| e |
0.95575685 |
| q (au) |
3.716211 |
| a (au) |
83.995165 |
| i (deg) |
53.485478 |
| Ω (om, deg) |
74.829396 |
| ω (w, deg) |
336.895778 |
| M (ma, deg) |
359.968931 |
等級
散乱 + 全体線形
$$
M_a = (7.361 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
7.361 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-1.000 |
| 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) |
| 2026-02-03 00:00 |
05:25:20.34 |
+51:22:25.8 |
HIP 25316 |
23.86 |
| 2026-02-03 12:00 |
05:25:07.43 |
+51:22:56.2 |
HIP 25316 |
24.11 |
| 2026-02-04 00:00 |
05:24:54.88 |
+51:23:25.4 |
HIP 25316 |
24.52 |
| 2026-02-04 12:00 |
05:24:42.71 |
+51:23:53.4 |
HIP 25316 |
25.07 |
| 2026-02-05 00:00 |
05:24:30.91 |
+51:24:20.4 |
HIP 25052 |
25.68 |
| 2026-02-05 12:00 |
05:24:19.49 |
+51:24:46.3 |
HIP 25052 |
23.85 |
| 2026-02-06 00:00 |
05:24:08.44 |
+51:25:11.1 |
HIP 25052 |
22.08 |
| 2026-02-06 12:00 |
05:23:57.76 |
+51:25:34.9 |
HIP 25052 |
20.37 |
| 2026-02-07 00:00 |
05:23:47.46 |
+51:25:57.6 |
HIP 25052 |
18.72 |
| 2026-02-07 12:00 |
05:23:37.53 |
+51:26:19.4 |
HIP 25052 |
17.13 |
| 2026-02-08 00:00 |
05:23:27.98 |
+51:26:40.3 |
HIP 25052 |
15.61 |
| 2026-02-08 12:00 |
05:23:18.80 |
+51:27:00.2 |
HIP 25052 |
14.14 |
| 2026-02-09 00:00 |
05:23:10.00 |
+51:27:19.2 |
HIP 25052 |
12.74 |
| 2026-02-09 12:00 |
05:23:01.58 |
+51:27:37.3 |
HIP 25052 |
11.40 |
| 2026-02-10 00:00 |
05:22:53.53 |
+51:27:54.5 |
HIP 25052 |
10.12 |
| 2026-02-10 12:00 |
05:22:45.86 |
+51:28:11.0 |
HIP 25052 |
8.90 |
| 2026-02-11 00:00 |
05:22:38.57 |
+51:28:26.6 |
HIP 25052 |
7.74 |
| 2026-02-11 12:00 |
05:22:31.65 |
+51:28:41.4 |
HIP 25052 |
6.65 |
| 2026-02-12 00:00 |
05:22:25.11 |
+51:28:55.4 |
HIP 25052 |
5.61 |
| 2026-02-12 12:00 |
05:22:18.94 |
+51:29:08.7 |
HIP 25052 |
4.65 |
| 2026-02-13 00:00 |
05:22:13.15 |
+51:29:21.3 |
HIP 25052 |
3.75 |
| 2026-02-13 12:00 |
05:22:07.74 |
+51:29:33.2 |
HIP 25052 |
2.92 |
| 2026-02-14 00:00 |
05:22:02.70 |
+51:29:44.4 |
HIP 25052 |
2.18 |
| 2026-02-14 12:00 |
05:21:58.03 |
+51:29:55.0 |
HIP 25052 |
1.56 |
| 2026-02-15 00:00 |
05:21:53.74 |
+51:30:04.9 |
HIP 25052 |
1.13 |
| 2026-02-15 12:00 |
05:21:49.82 |
+51:30:14.3 |
HIP 25052 |
1.04 |
| 2026-02-16 00:00 |
05:21:46.28 |
+51:30:23.0 |
HIP 25052 |
1.25 |
| 2026-02-16 12:00 |
05:21:43.11 |
+51:30:31.2 |
HIP 25052 |
1.61 |
| 2026-02-17 00:00 |
05:21:40.31 |
+51:30:38.8 |
HIP 25052 |
1.98 |
| 2026-02-17 12:00 |
05:21:37.88 |
+51:30:45.9 |
HIP 25052 |
2.34 |
| 2026-02-18 00:00 |
05:21:35.82 |
+51:30:52.5 |
HIP 25052 |
2.65 |
| 2026-02-18 12:00 |
05:21:34.13 |
+51:30:58.6 |
HIP 25052 |
2.92 |
| 2026-02-19 00:00 |
05:21:32.81 |
+51:31:04.2 |
HIP 25052 |
3.14 |
| 2026-02-19 12:00 |
05:21:31.85 |
+51:31:09.4 |
HIP 25052 |
3.32 |
| 2026-02-20 00:00 |
05:21:31.26 |
+51:31:14.1 |
HIP 25052 |
3.44 |
| 2026-02-20 12:00 |
05:21:31.04 |
+51:31:18.5 |
HIP 25052 |
3.51 |
| 2026-02-21 00:00 |
05:21:31.18 |
+51:31:22.4 |
HIP 25052 |
3.53 |
| 2026-02-21 12:00 |
05:21:31.68 |
+51:31:26.0 |
HIP 25052 |
3.51 |
| 2026-02-22 00:00 |
05:21:32.54 |
+51:31:29.2 |
HIP 25052 |
3.44 |
| 2026-02-22 12:00 |
05:21:33.76 |
+51:31:32.1 |
HIP 25052 |
3.33 |
| 2026-02-23 00:00 |
05:21:35.34 |
+51:31:34.7 |
HIP 25052 |
3.19 |
| 2026-02-23 12:00 |
05:21:37.28 |
+51:31:37.0 |
HIP 25052 |
3.03 |
| 2026-02-24 00:00 |
05:21:39.57 |
+51:31:38.9 |
HIP 25052 |
2.86 |