メタデータ
| 項目 |
値 |
| Designation |
C/2022 R6 (PANSTARRS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2025-08-26T00:54:50.137920Z |
| Orbit solution date (soln_date, UTC) |
2026-05-28T12:12:15Z |
| Obs used |
2442 |
| NEO |
- |
| M1 |
5.100 |
| K1 |
9.500 |
| PC |
0.030 |
| Discovery observation (MPC, UTC) |
2022-09-14T13:46:32.822400Z |
| Discovery magnitude (MPC) |
20.04 i |
| 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) |
2025-03-26.0000000 |
| e |
1.00498193 |
| q (au) |
6.565691 |
| a (au) |
-1317.899865 |
| i (deg) |
57.018615 |
| Ω (om, deg) |
150.786416 |
| ω (w, deg) |
319.901156 |
| M (ma, deg) |
-0.003153 |
等級
散乱 + 全体線形
$$
M_a = (2.975 + 4.601\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
2.975 |
| n |
4.601 |
| gf |
0.915 |
| gb |
-0.519 |
| k |
0.980 |
| 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) |
| 2026-06-01 00:00 |
08:46:49.56 |
+03:33:34.4 |
HIP 43075 |
6.09 |
| 2026-06-01 12:00 |
08:47:04.56 |
+03:35:13.8 |
HIP 43075 |
10.03 |
| 2026-06-02 00:00 |
08:47:19.64 |
+03:36:52.3 |
HIP 43075 |
14.07 |
| 2026-06-02 12:00 |
08:47:34.79 |
+03:38:29.9 |
HIP 43075 |
18.16 |
| 2026-06-03 00:00 |
08:47:50.03 |
+03:40:06.5 |
HIP 43271 |
16.94 |
| 2026-06-03 12:00 |
08:48:05.34 |
+03:41:42.2 |
HIP 43271 |
12.81 |
| 2026-06-04 00:00 |
08:48:20.73 |
+03:43:17.0 |
HIP 43271 |
8.69 |
| 2026-06-04 12:00 |
08:48:36.20 |
+03:44:50.9 |
HIP 43271 |
4.61 |
| 2026-06-05 00:00 |
08:48:51.75 |
+03:46:23.8 |
HIP 43271 |
1.27 |
| 2026-06-05 12:00 |
08:49:07.37 |
+03:47:55.8 |
HIP 43271 |
4.10 |
| 2026-06-06 00:00 |
08:49:23.06 |
+03:49:26.8 |
HIP 43271 |
8.20 |
| 2026-06-06 12:00 |
08:49:38.83 |
+03:50:57.0 |
HIP 43304 |
10.83 |
| 2026-06-07 00:00 |
08:49:54.68 |
+03:52:26.2 |
HIP 43304 |
14.11 |
| 2026-06-07 12:00 |
08:50:10.59 |
+03:53:54.5 |
HIP 43304 |
17.79 |
| 2026-06-08 00:00 |
08:50:26.58 |
+03:55:21.9 |
HIP 43304 |
21.68 |
| 2026-06-08 12:00 |
08:50:42.65 |
+03:56:48.4 |
HIP 43304 |
25.68 |
| 2026-06-09 00:00 |
08:50:58.78 |
+03:58:14.0 |
HIP 43518 |
22.45 |
| 2026-06-09 12:00 |
08:51:14.98 |
+03:59:38.7 |
HIP 43518 |
19.20 |
| 2026-06-10 00:00 |
08:51:31.26 |
+04:01:02.5 |
HIP 43518 |
16.44 |
| 2026-06-10 12:00 |
08:51:47.60 |
+04:02:25.4 |
HIP 43518 |
14.46 |
| 2026-06-11 00:00 |
08:52:04.01 |
+04:03:47.4 |
HIP 43518 |
13.63 |
| 2026-06-11 12:00 |
08:52:20.50 |
+04:05:08.5 |
HIP 43518 |
14.14 |
| 2026-06-12 00:00 |
08:52:37.04 |
+04:06:28.7 |
HIP 43518 |
15.89 |
| 2026-06-12 12:00 |
08:52:53.66 |
+04:07:48.0 |
HIP 43518 |
18.53 |
| 2026-06-13 00:00 |
08:53:10.34 |
+04:09:06.4 |
HIP 43668 |
16.90 |
| 2026-06-13 12:00 |
08:53:27.09 |
+04:10:24.0 |
HIP 43668 |
16.24 |
| 2026-06-14 00:00 |
08:53:43.90 |
+04:11:40.7 |
HIP 43668 |
16.72 |
| 2026-06-14 12:00 |
08:54:00.78 |
+04:12:56.5 |
HIP 43773 |
14.86 |
| 2026-06-15 00:00 |
08:54:17.72 |
+04:14:11.4 |
HIP 43773 |
11.39 |
| 2026-06-15 12:00 |
08:54:34.72 |
+04:15:25.4 |
HIP 43773 |
8.79 |
| 2026-06-16 00:00 |
08:54:51.79 |
+04:16:38.6 |
HIP 43773 |
7.97 |
| 2026-06-16 12:00 |
08:55:08.92 |
+04:17:50.9 |
HIP 43773 |
9.42 |
| 2026-06-17 00:00 |
08:55:26.10 |
+04:19:02.4 |
HIP 43773 |
12.38 |
| 2026-06-17 12:00 |
08:55:43.35 |
+04:20:13.0 |
HIP 43902 |
14.68 |
| 2026-06-18 00:00 |
08:56:00.66 |
+04:21:22.8 |
HIP 43902 |
11.57 |
| 2026-06-18 12:00 |
08:56:18.02 |
+04:22:31.7 |
HIP 43902 |
9.59 |
| 2026-06-19 00:00 |
08:56:35.45 |
+04:23:39.7 |
HIP 43902 |
9.48 |
| 2026-06-19 12:00 |
08:56:52.93 |
+04:24:47.0 |
HIP 43988 |
8.94 |
| 2026-06-20 00:00 |
08:57:10.46 |
+04:25:53.4 |
HIP 43988 |
4.50 |
| 2026-06-20 12:00 |
08:57:28.05 |
+04:26:58.9 |
HIP 43988 |
1.08 |
| 2026-06-21 00:00 |
08:57:45.70 |
+04:28:03.7 |
HIP 43988 |
4.79 |
| 2026-06-21 12:00 |
08:58:03.40 |
+04:29:07.6 |
HIP 43988 |
9.27 |
| 2026-06-22 00:00 |
08:58:21.15 |
+04:30:10.7 |
HIP 43988 |
13.80 |