메타데이터
| 항목 |
값 |
| Designation |
466P/PANSTARRS |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2023-05-03T09:52:48.434880Z |
| Orbit solution date (soln_date, UTC) |
2024-05-14T12:42:37Z |
| Obs used |
207 |
| NEO |
- |
| M1 |
11.900 |
| K1 |
17.000 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2023-06-26T10:11:45.830400Z |
| Discovery magnitude (MPC) |
19.12 G |
| Discovery observatory (MPC) |
G96 · University of Arizona Mt. Lemmon Survey |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2021-08-23.0000000 |
| e |
0.46691600 |
| q (au) |
2.155912 |
| a (au) |
4.044226 |
| i (deg) |
12.236217 |
| Ω (om, deg) |
119.886131 |
| ω (w, deg) |
196.588226 |
| M (ma, deg) |
285.057425 |
밝기
산란 + 전체 선형
$$
M_a = (11.797 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
11.797 |
| n |
6.000 |
| gf |
0.982 |
| gb |
-0.739 |
| k |
1.000 |
| δ90 |
10.000 |
| 파라미터 |
기호 |
범위 |
설명 |
| 태양·지구거리 1 AU에서의 절대등급 |
H0 |
-5 to 20 |
혜성의 고유 밝기 |
| 광도 기울기 파라미터 |
n |
2 to 6 |
태양거리 변화에 따른 밝기 변화율 |
| 전방 산란 비대칭 계수 |
gf |
0.8 to 1 |
전방 산란의 강도 |
| 후방 산란 비대칭 계수 |
gb |
-1 to -0.5 |
후방 산란의 강도 |
| 분할 계수 |
k |
0.8 to 1 |
전·후방 산란 기여도 비율 |
| 먼지/가스 밝기 비 |
δ90 |
1 to 10 |
코마에서 먼지 산란 대비 가스 방출의 상대 기여 |
참고: EPSC-DPS2025-160
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-09-20 00:00 |
08:53:39.43 |
+19:44:51.0 |
HIP 43722 |
13.25 |
| 2026-09-20 12:00 |
08:53:58.35 |
+19:44:08.2 |
HIP 43722 |
10.35 |
| 2026-09-21 00:00 |
08:54:17.19 |
+19:43:25.8 |
HIP 43722 |
8.92 |
| 2026-09-21 12:00 |
08:54:35.94 |
+19:42:43.7 |
HIP 43722 |
9.60 |
| 2026-09-22 00:00 |
08:54:54.61 |
+19:42:01.9 |
HIP 43722 |
12.01 |
| 2026-09-22 12:00 |
08:55:13.19 |
+19:41:20.4 |
HIP 43722 |
15.35 |
| 2026-09-23 00:00 |
08:55:31.68 |
+19:40:39.4 |
HIP 43905 |
19.12 |
| 2026-09-23 12:00 |
08:55:50.08 |
+19:39:58.6 |
HIP 43905 |
16.10 |
| 2026-09-24 00:00 |
08:56:08.39 |
+19:39:18.3 |
HIP 43905 |
13.83 |
| 2026-09-24 12:00 |
08:56:26.62 |
+19:38:38.3 |
HIP 43905 |
12.72 |
| 2026-09-25 00:00 |
08:56:44.75 |
+19:37:58.6 |
HIP 43905 |
13.02 |
| 2026-09-25 12:00 |
08:57:02.80 |
+19:37:19.4 |
HIP 43905 |
14.63 |
| 2026-09-26 00:00 |
08:57:20.75 |
+19:36:40.5 |
HIP 43905 |
17.18 |
| 2026-09-26 12:00 |
08:57:38.61 |
+19:36:02.0 |
HIP 44022 |
19.38 |
| 2026-09-27 00:00 |
08:57:56.37 |
+19:35:23.9 |
HIP 44022 |
18.35 |
| 2026-09-27 12:00 |
08:58:14.05 |
+19:34:46.2 |
HIP 44022 |
18.27 |
| 2026-09-28 00:00 |
08:58:31.62 |
+19:34:08.9 |
HIP 44022 |
19.13 |
| 2026-09-28 12:00 |
08:58:49.11 |
+19:33:32.0 |
HIP 44022 |
20.81 |
| 2026-09-29 00:00 |
08:59:06.49 |
+19:32:55.5 |
HIP 44022 |
23.12 |
| 2026-09-29 12:00 |
08:59:23.78 |
+19:32:19.4 |
HIP 44022 |
25.87 |
| 2026-09-30 00:00 |
08:59:40.97 |
+19:31:43.8 |
HIP 44022 |
28.94 |
| 2026-09-30 12:00 |
08:59:58.07 |
+19:31:08.6 |
HIP 44022 |
32.22 |
| 2026-10-01 00:00 |
09:00:15.06 |
+19:30:33.8 |
HIP 44312 |
33.01 |
| 2026-10-01 12:00 |
09:00:31.96 |
+19:29:59.5 |
HIP 44312 |
30.63 |
| 2026-10-02 00:00 |
09:00:48.75 |
+19:29:25.6 |
HIP 44312 |
28.64 |
| 2026-10-02 12:00 |
09:01:05.45 |
+19:28:52.1 |
HIP 44312 |
27.11 |
| 2026-10-03 00:00 |
09:01:22.04 |
+19:28:19.2 |
HIP 44312 |
26.11 |
| 2026-10-03 12:00 |
09:01:38.52 |
+19:27:46.6 |
HIP 44312 |
25.69 |
| 2026-10-04 00:00 |
09:01:54.91 |
+19:27:14.6 |
HIP 44312 |
25.87 |
| 2026-10-04 12:00 |
09:02:11.18 |
+19:26:43.0 |
HIP 44312 |
26.62 |
| 2026-10-05 00:00 |
09:02:27.36 |
+19:26:11.9 |
HIP 44312 |
27.89 |
| 2026-10-05 12:00 |
09:02:43.42 |
+19:25:41.4 |
HIP 44312 |
29.60 |
| 2026-10-06 00:00 |
09:02:59.38 |
+19:25:11.3 |
HIP 44312 |
31.67 |
| 2026-10-06 12:00 |
09:03:15.22 |
+19:24:41.7 |
HIP 44616 |
31.68 |
| 2026-10-07 00:00 |
09:03:30.96 |
+19:24:12.6 |
HIP 44616 |
28.00 |
| 2026-10-07 12:00 |
09:03:46.59 |
+19:23:44.0 |
HIP 44616 |
24.37 |
| 2026-10-08 00:00 |
09:04:02.10 |
+19:23:16.0 |
HIP 44616 |
20.79 |
| 2026-10-08 12:00 |
09:04:17.51 |
+19:22:48.5 |
HIP 44616 |
17.29 |
| 2026-10-09 00:00 |
09:04:32.80 |
+19:22:21.5 |
HIP 44616 |
13.89 |
| 2026-10-09 12:00 |
09:04:47.97 |
+19:21:55.0 |
HIP 44616 |
10.66 |
| 2026-10-10 00:00 |
09:05:03.03 |
+19:21:29.1 |
HIP 44616 |
7.78 |
| 2026-10-10 12:00 |
09:05:17.97 |
+19:21:03.8 |
HIP 44616 |
5.76 |
| 2026-10-11 00:00 |
09:05:32.80 |
+19:20:39.0 |
HIP 44616 |
5.56 |