メタデータ
| 項目 |
値 |
| Designation |
P/2023 T1 (PANSTARRS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2024-05-22T21:33:12.375360Z |
| Orbit solution date (soln_date, UTC) |
2024-01-19T23:44:32Z |
| Obs used |
118 |
| NEO |
- |
| M1 |
6.700 |
| K1 |
24.750 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2023-10-09T10:51:57.686400Z |
| Discovery magnitude (MPC) |
20.43 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) |
2023-10-25.0000000 |
| e |
0.33527882 |
| q (au) |
2.816851 |
| a (au) |
4.237642 |
| i (deg) |
6.605954 |
| Ω (om, deg) |
249.585164 |
| ω (w, deg) |
202.871185 |
| M (ma, deg) |
336.171856 |
等級
散乱 + 全体線形
$$
M_a = (10.590 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
10.590 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.896 |
| k |
1.000 |
| 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 |
13:29:17.08 |
-14:54:02.8 |
HIP 65845 |
13.85 |
| 2026-05-12 12:00 |
13:29:03.32 |
-14:52:03.1 |
HIP 65845 |
17.49 |
| 2026-05-13 00:00 |
13:28:49.72 |
-14:50:04.1 |
HIP 65845 |
21.18 |
| 2026-05-13 12:00 |
13:28:36.28 |
-14:48:05.6 |
HIP 65845 |
24.88 |
| 2026-05-14 00:00 |
13:28:23.01 |
-14:46:07.8 |
HIP 65845 |
28.57 |
| 2026-05-14 12:00 |
13:28:09.90 |
-14:44:10.6 |
HIP 65548 |
28.23 |
| 2026-05-15 00:00 |
13:27:56.96 |
-14:42:14.1 |
HIP 65548 |
25.47 |
| 2026-05-15 12:00 |
13:27:44.20 |
-14:40:18.2 |
HIP 65548 |
23.00 |
| 2026-05-16 00:00 |
13:27:31.60 |
-14:38:23.1 |
HIP 65548 |
20.90 |
| 2026-05-16 12:00 |
13:27:19.18 |
-14:36:28.7 |
HIP 65548 |
19.28 |
| 2026-05-17 00:00 |
13:27:06.94 |
-14:34:35.0 |
HIP 65548 |
18.25 |
| 2026-05-17 12:00 |
13:26:54.87 |
-14:32:42.1 |
HIP 65548 |
17.87 |
| 2026-05-18 00:00 |
13:26:42.99 |
-14:30:50.0 |
HIP 65548 |
18.16 |
| 2026-05-18 12:00 |
13:26:31.29 |
-14:28:58.6 |
HIP 65548 |
19.07 |
| 2026-05-19 00:00 |
13:26:19.77 |
-14:27:08.1 |
HIP 65548 |
20.49 |
| 2026-05-19 12:00 |
13:26:08.44 |
-14:25:18.4 |
HIP 65548 |
22.31 |
| 2026-05-20 00:00 |
13:25:57.29 |
-14:23:29.6 |
HIP 65548 |
24.42 |
| 2026-05-20 12:00 |
13:25:46.34 |
-14:21:41.6 |
HIP 65548 |
26.74 |
| 2026-05-21 00:00 |
13:25:35.57 |
-14:19:54.5 |
HIP 65548 |
29.19 |
| 2026-05-21 12:00 |
13:25:24.99 |
-14:18:08.2 |
HIP 65362 |
28.81 |
| 2026-05-22 00:00 |
13:25:14.61 |
-14:16:22.9 |
HIP 65362 |
25.75 |
| 2026-05-22 12:00 |
13:25:04.41 |
-14:14:38.5 |
HIP 65362 |
22.73 |
| 2026-05-23 00:00 |
13:24:54.42 |
-14:12:55.0 |
HIP 65362 |
19.76 |
| 2026-05-23 12:00 |
13:24:44.61 |
-14:11:12.5 |
HIP 65362 |
16.85 |
| 2026-05-24 00:00 |
13:24:35.01 |
-14:09:30.9 |
HIP 65362 |
13.99 |
| 2026-05-24 12:00 |
13:24:25.60 |
-14:07:50.3 |
HIP 65362 |
11.18 |
| 2026-05-25 00:00 |
13:24:16.39 |
-14:06:10.7 |
HIP 65362 |
8.45 |
| 2026-05-25 12:00 |
13:24:07.38 |
-14:04:32.1 |
HIP 65362 |
5.81 |
| 2026-05-26 00:00 |
13:23:58.56 |
-14:02:54.4 |
HIP 65362 |
3.39 |
| 2026-05-26 12:00 |
13:23:49.95 |
-14:01:17.8 |
HIP 65362 |
1.91 |
| 2026-05-27 00:00 |
13:23:41.54 |
-13:59:42.2 |
HIP 65362 |
3.09 |
| 2026-05-27 12:00 |
13:23:33.33 |
-13:58:07.6 |
HIP 65362 |
5.33 |
| 2026-05-28 00:00 |
13:23:25.32 |
-13:56:34.1 |
HIP 65362 |
7.72 |
| 2026-05-28 12:00 |
13:23:17.52 |
-13:55:01.7 |
HIP 65362 |
10.11 |
| 2026-05-29 00:00 |
13:23:09.92 |
-13:53:30.3 |
HIP 65362 |
12.47 |
| 2026-05-29 12:00 |
13:23:02.52 |
-13:52:00.0 |
HIP 65362 |
14.80 |
| 2026-05-30 00:00 |
13:22:55.33 |
-13:50:30.7 |
HIP 65354 |
15.91 |
| 2026-05-30 12:00 |
13:22:48.34 |
-13:49:02.5 |
HIP 65354 |
16.17 |
| 2026-05-31 00:00 |
13:22:41.56 |
-13:47:35.5 |
HIP 65354 |
16.69 |
| 2026-05-31 12:00 |
13:22:34.98 |
-13:46:09.5 |
HIP 65354 |
17.43 |
| 2026-06-01 00:00 |
13:22:28.61 |
-13:44:44.7 |
HIP 65354 |
18.35 |
| 2026-06-01 12:00 |
13:22:22.45 |
-13:43:21.0 |
HIP 65354 |
19.42 |
| 2026-06-02 00:00 |
13:22:16.49 |
-13:41:58.4 |
HIP 65354 |
20.58 |