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 · 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 |
0.975 |
| gb |
-0.739 |
| k |
1.000 |
| δ90 |
9.997 |
| 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) |
| 2026-03-26 00:00 |
06:58:42.32 |
+22:21:47.9 |
HIP 33564 |
7.50 |
| 2026-03-26 12:00 |
06:58:46.13 |
+22:22:15.3 |
HIP 33564 |
8.33 |
| 2026-03-27 00:00 |
06:58:50.13 |
+22:22:42.4 |
HIP 33564 |
9.20 |
| 2026-03-27 12:00 |
06:58:54.32 |
+22:23:09.0 |
HIP 33564 |
10.13 |
| 2026-03-28 00:00 |
06:58:58.70 |
+22:23:35.3 |
HIP 33564 |
11.11 |
| 2026-03-28 12:00 |
06:59:03.27 |
+22:24:01.2 |
HIP 33656 |
11.30 |
| 2026-03-29 00:00 |
06:59:08.03 |
+22:24:26.8 |
HIP 33656 |
11.07 |
| 2026-03-29 12:00 |
06:59:12.97 |
+22:24:52.0 |
HIP 33656 |
10.95 |
| 2026-03-30 00:00 |
06:59:18.10 |
+22:25:16.8 |
HIP 33656 |
10.93 |
| 2026-03-30 12:00 |
06:59:23.41 |
+22:25:41.2 |
HIP 33656 |
11.05 |
| 2026-03-31 00:00 |
06:59:28.91 |
+22:26:05.3 |
HIP 33656 |
11.31 |
| 2026-03-31 12:00 |
06:59:34.59 |
+22:26:29.0 |
HIP 33656 |
11.71 |
| 2026-04-01 00:00 |
06:59:40.45 |
+22:26:52.3 |
HIP 33656 |
12.25 |
| 2026-04-01 12:00 |
06:59:46.49 |
+22:27:15.2 |
HIP 33656 |
12.93 |
| 2026-04-02 00:00 |
06:59:52.71 |
+22:27:37.8 |
HIP 33656 |
13.74 |
| 2026-04-02 12:00 |
06:59:59.11 |
+22:28:00.0 |
HIP 33656 |
14.67 |
| 2026-04-03 00:00 |
07:00:05.69 |
+22:28:21.9 |
HIP 33656 |
15.70 |
| 2026-04-03 12:00 |
07:00:12.45 |
+22:28:43.3 |
HIP 33656 |
16.84 |
| 2026-04-04 00:00 |
07:00:19.39 |
+22:29:04.5 |
HIP 33656 |
18.07 |
| 2026-04-04 12:00 |
07:00:26.50 |
+22:29:25.2 |
HIP 33656 |
19.38 |
| 2026-04-05 00:00 |
07:00:33.78 |
+22:29:45.6 |
HIP 33656 |
20.76 |
| 2026-04-05 12:00 |
07:00:41.24 |
+22:30:05.6 |
HIP 33656 |
22.22 |
| 2026-04-06 00:00 |
07:00:48.87 |
+22:30:25.2 |
HIP 33656 |
23.75 |
| 2026-04-06 12:00 |
07:00:56.68 |
+22:30:44.5 |
HIP 33656 |
25.33 |
| 2026-04-07 00:00 |
07:01:04.66 |
+22:31:03.4 |
HIP 33656 |
26.98 |
| 2026-04-07 12:00 |
07:01:12.80 |
+22:31:21.9 |
HIP 33656 |
28.68 |
| 2026-04-08 00:00 |
07:01:21.12 |
+22:31:40.1 |
HIP 33999 |
27.09 |
| 2026-04-08 12:00 |
07:01:29.61 |
+22:31:57.9 |
HIP 33999 |
25.27 |
| 2026-04-09 00:00 |
07:01:38.27 |
+22:32:15.3 |
HIP 33999 |
23.42 |
| 2026-04-09 12:00 |
07:01:47.09 |
+22:32:32.4 |
HIP 33999 |
21.57 |
| 2026-04-10 00:00 |
07:01:56.08 |
+22:32:49.1 |
HIP 33999 |
19.73 |
| 2026-04-10 12:00 |
07:02:05.23 |
+22:33:05.4 |
HIP 33999 |
17.90 |
| 2026-04-11 00:00 |
07:02:14.56 |
+22:33:21.4 |
HIP 33999 |
16.11 |
| 2026-04-11 12:00 |
07:02:24.04 |
+22:33:37.0 |
HIP 33999 |
14.40 |
| 2026-04-12 00:00 |
07:02:33.69 |
+22:33:52.2 |
HIP 33999 |
12.80 |
| 2026-04-12 12:00 |
07:02:43.50 |
+22:34:07.0 |
HIP 33999 |
11.39 |
| 2026-04-13 00:00 |
07:02:53.47 |
+22:34:21.5 |
HIP 33999 |
10.27 |
| 2026-04-13 12:00 |
07:03:03.60 |
+22:34:35.6 |
HIP 33999 |
9.57 |
| 2026-04-14 00:00 |
07:03:13.90 |
+22:34:49.4 |
HIP 33999 |
9.42 |
| 2026-04-14 12:00 |
07:03:24.35 |
+22:35:02.8 |
HIP 33999 |
9.87 |
| 2026-04-15 00:00 |
07:03:34.96 |
+22:35:15.8 |
HIP 33999 |
10.86 |
| 2026-04-15 12:00 |
07:03:45.72 |
+22:35:28.4 |
HIP 33999 |
12.29 |
| 2026-04-16 00:00 |
07:03:56.65 |
+22:35:40.7 |
HIP 33999 |
14.04 |