メタデータ
| 項目 |
値 |
| Designation |
P/2023 V2 (PANSTARRS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2024-02-03T20:47:46.619520Z |
| Orbit solution date (soln_date, UTC) |
2026-03-07T11:43:03Z |
| Obs used |
319 |
| NEO |
- |
| M1 |
14.100 |
| K1 |
4.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2023-11-04T11:11:35.923200Z |
| Discovery magnitude (MPC) |
20.53 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) |
2024-10-14.0000000 |
| e |
0.57060205 |
| q (au) |
3.104125 |
| a (au) |
7.229016 |
| i (deg) |
9.888015 |
| Ω (om, deg) |
95.472894 |
| ω (w, deg) |
330.542643 |
| M (ma, deg) |
12.836154 |
等級
散乱 + 全体線形
$$
M_a = (16.680 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
16.680 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.743 |
| k |
0.800 |
| 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
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) |
| 2026-09-20 00:00 |
12:21:29.55 |
+07:01:31.6 |
HIP 60220 |
28.49 |
| 2026-09-20 12:00 |
12:21:48.76 |
+06:59:25.9 |
HIP 60220 |
28.38 |
| 2026-09-21 00:00 |
12:22:07.98 |
+06:57:20.5 |
HIP 60220 |
29.22 |
| 2026-09-21 12:00 |
12:22:27.19 |
+06:55:15.3 |
HIP 60220 |
30.93 |
| 2026-09-22 00:00 |
12:22:46.41 |
+06:53:10.4 |
HIP 60547 |
32.67 |
| 2026-09-22 12:00 |
12:23:05.62 |
+06:51:05.7 |
HIP 60547 |
27.49 |
| 2026-09-23 00:00 |
12:23:24.84 |
+06:49:01.3 |
HIP 60547 |
22.31 |
| 2026-09-23 12:00 |
12:23:44.06 |
+06:46:57.1 |
HIP 60547 |
17.16 |
| 2026-09-24 00:00 |
12:24:03.27 |
+06:44:53.2 |
HIP 60547 |
12.04 |
| 2026-09-24 12:00 |
12:24:22.49 |
+06:42:49.6 |
HIP 60547 |
7.05 |
| 2026-09-25 00:00 |
12:24:41.70 |
+06:40:46.2 |
HIP 60547 |
2.92 |
| 2026-09-25 12:00 |
12:25:00.91 |
+06:38:43.1 |
HIP 60547 |
4.61 |
| 2026-09-26 00:00 |
12:25:20.12 |
+06:36:40.3 |
HIP 60547 |
9.38 |
| 2026-09-26 12:00 |
12:25:39.32 |
+06:34:37.8 |
HIP 60547 |
14.44 |
| 2026-09-27 00:00 |
12:25:58.52 |
+06:32:35.5 |
HIP 60547 |
19.56 |
| 2026-09-27 12:00 |
12:26:17.72 |
+06:30:33.5 |
HIP 60562 |
22.97 |
| 2026-09-28 00:00 |
12:26:36.91 |
+06:28:31.9 |
HIP 60800 |
24.77 |
| 2026-09-28 12:00 |
12:26:56.10 |
+06:26:30.5 |
HIP 60800 |
20.35 |
| 2026-09-29 00:00 |
12:27:15.28 |
+06:24:29.4 |
HIP 60800 |
16.38 |
| 2026-09-29 12:00 |
12:27:34.46 |
+06:22:28.6 |
HIP 60800 |
13.27 |
| 2026-09-30 00:00 |
12:27:53.63 |
+06:20:28.1 |
HIP 60800 |
11.74 |
| 2026-09-30 12:00 |
12:28:12.79 |
+06:18:27.9 |
HIP 60800 |
12.36 |
| 2026-10-01 00:00 |
12:28:31.94 |
+06:16:28.0 |
HIP 60800 |
14.88 |
| 2026-10-01 12:00 |
12:28:51.09 |
+06:14:28.4 |
HIP 60915 |
17.13 |
| 2026-10-02 00:00 |
12:29:10.23 |
+06:12:29.2 |
HIP 60915 |
14.93 |
| 2026-10-02 12:00 |
12:29:29.35 |
+06:10:30.3 |
HIP 60915 |
14.34 |
| 2026-10-03 00:00 |
12:29:48.47 |
+06:08:31.6 |
HIP 60915 |
15.54 |
| 2026-10-03 12:00 |
12:30:07.58 |
+06:06:33.4 |
HIP 61004 |
13.96 |
| 2026-10-04 00:00 |
12:30:26.68 |
+06:04:35.4 |
HIP 61004 |
12.57 |
| 2026-10-04 12:00 |
12:30:45.77 |
+06:02:37.8 |
HIP 61004 |
13.19 |
| 2026-10-05 00:00 |
12:31:04.84 |
+06:00:40.6 |
HIP 61004 |
15.57 |
| 2026-10-05 12:00 |
12:31:23.91 |
+05:58:43.6 |
HIP 61149 |
17.49 |
| 2026-10-06 00:00 |
12:31:42.96 |
+05:56:47.1 |
HIP 61149 |
14.33 |
| 2026-10-06 12:00 |
12:32:01.99 |
+05:54:50.9 |
HIP 61149 |
12.55 |
| 2026-10-07 00:00 |
12:32:21.02 |
+05:52:55.0 |
HIP 61149 |
12.73 |
| 2026-10-07 12:00 |
12:32:40.02 |
+05:50:59.5 |
HIP 61261 |
9.97 |
| 2026-10-08 00:00 |
12:32:59.02 |
+05:49:04.4 |
HIP 61261 |
4.88 |
| 2026-10-08 12:00 |
12:33:17.99 |
+05:47:09.7 |
HIP 61261 |
0.44 |
| 2026-10-09 00:00 |
12:33:36.95 |
+05:45:15.3 |
HIP 61261 |
5.32 |
| 2026-10-09 12:00 |
12:33:55.89 |
+05:43:21.3 |
HIP 61261 |
10.40 |
| 2026-10-10 00:00 |
12:34:14.82 |
+05:41:27.7 |
HIP 61261 |
15.47 |
| 2026-10-10 12:00 |
12:34:33.72 |
+05:39:34.5 |
HIP 61369 |
18.38 |
| 2026-10-11 00:00 |
12:34:52.61 |
+05:37:41.7 |
HIP 61369 |
20.85 |