메타데이터
| 항목 |
값 |
| Designation |
P/2022 C3 (PANSTARRS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2022-07-01T06:38:07.016640Z |
| Orbit solution date (soln_date, UTC) |
2023-10-29T03:13:09Z |
| Obs used |
123 |
| NEO |
- |
| M1 |
7.100 |
| K1 |
15.250 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2022-02-09T14:55:00.796800Z |
| Discovery magnitude (MPC) |
20.92 w |
| Discovery observatory (MPC) |
F52 · Pan-STARRS 2, Haleakala |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2022-04-23.0000000 |
| e |
0.54695784 |
| q (au) |
4.374506 |
| a (au) |
9.655848 |
| i (deg) |
12.815871 |
| Ω (om, deg) |
139.060787 |
| ω (w, deg) |
93.942616 |
| M (ma, deg) |
357.724357 |
밝기
산란 + 전체 선형
$$
M_a = (6.867 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
6.867 |
| n |
6.000 |
| gf |
0.999 |
| gb |
-0.864 |
| k |
0.999 |
| 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) |
| 2026-03-26 00:00 |
23:10:21.30 |
-10:18:35.2 |
HIP 114380 |
13.74 |
| 2026-03-26 12:00 |
23:10:36.70 |
-10:17:18.2 |
HIP 114380 |
16.77 |
| 2026-03-27 00:00 |
23:10:52.06 |
-10:16:01.5 |
HIP 114506 |
17.12 |
| 2026-03-27 12:00 |
23:11:07.39 |
-10:14:45.2 |
HIP 114506 |
16.67 |
| 2026-03-28 00:00 |
23:11:22.68 |
-10:13:29.1 |
HIP 114506 |
17.15 |
| 2026-03-28 12:00 |
23:11:37.94 |
-10:12:13.3 |
HIP 114506 |
18.48 |
| 2026-03-29 00:00 |
23:11:53.17 |
-10:10:57.8 |
HIP 114506 |
20.50 |
| 2026-03-29 12:00 |
23:12:08.36 |
-10:09:42.6 |
HIP 114506 |
23.01 |
| 2026-03-30 00:00 |
23:12:23.52 |
-10:08:27.7 |
HIP 114666 |
21.99 |
| 2026-03-30 12:00 |
23:12:38.64 |
-10:07:13.1 |
HIP 114666 |
19.56 |
| 2026-03-31 00:00 |
23:12:53.73 |
-10:05:58.9 |
HIP 114666 |
17.67 |
| 2026-03-31 12:00 |
23:13:08.78 |
-10:04:44.9 |
HIP 114666 |
16.50 |
| 2026-04-01 00:00 |
23:13:23.79 |
-10:03:31.3 |
HIP 114666 |
16.21 |
| 2026-04-01 12:00 |
23:13:38.76 |
-10:02:18.0 |
HIP 114666 |
16.84 |
| 2026-04-02 00:00 |
23:13:53.70 |
-10:01:05.0 |
HIP 114666 |
18.28 |
| 2026-04-02 12:00 |
23:14:08.60 |
-09:59:52.3 |
HIP 114752 |
20.30 |
| 2026-04-03 00:00 |
23:14:23.45 |
-09:58:39.9 |
HIP 114752 |
17.95 |
| 2026-04-03 12:00 |
23:14:38.27 |
-09:57:27.9 |
HIP 114752 |
16.19 |
| 2026-04-04 00:00 |
23:14:53.05 |
-09:56:16.3 |
HIP 114752 |
15.22 |
| 2026-04-04 12:00 |
23:15:07.79 |
-09:55:04.9 |
HIP 114752 |
15.19 |
| 2026-04-05 00:00 |
23:15:22.49 |
-09:53:53.9 |
HIP 114752 |
16.08 |
| 2026-04-05 12:00 |
23:15:37.15 |
-09:52:43.3 |
HIP 114752 |
17.77 |
| 2026-04-06 00:00 |
23:15:51.77 |
-09:51:33.0 |
HIP 114752 |
20.03 |
| 2026-04-06 12:00 |
23:16:06.34 |
-09:50:23.1 |
HIP 114752 |
22.70 |
| 2026-04-07 00:00 |
23:16:20.87 |
-09:49:13.5 |
HIP 114906 |
23.53 |
| 2026-04-07 12:00 |
23:16:35.36 |
-09:48:04.3 |
HIP 114906 |
24.68 |
| 2026-04-08 00:00 |
23:16:49.80 |
-09:46:55.4 |
HIP 114906 |
26.31 |
| 2026-04-08 12:00 |
23:17:04.20 |
-09:45:46.9 |
HIP 114906 |
28.34 |
| 2026-04-09 00:00 |
23:17:18.56 |
-09:44:38.8 |
HIP 115115 |
25.70 |
| 2026-04-09 12:00 |
23:17:32.87 |
-09:43:31.1 |
HIP 115115 |
22.00 |
| 2026-04-10 00:00 |
23:17:47.13 |
-09:42:23.7 |
HIP 115115 |
18.31 |
| 2026-04-10 12:00 |
23:18:01.35 |
-09:41:16.7 |
HIP 115115 |
14.63 |
| 2026-04-11 00:00 |
23:18:15.52 |
-09:40:10.1 |
HIP 115115 |
10.97 |
| 2026-04-11 12:00 |
23:18:29.65 |
-09:39:03.9 |
HIP 115115 |
7.32 |
| 2026-04-12 00:00 |
23:18:43.72 |
-09:37:58.1 |
HIP 115115 |
3.68 |
| 2026-04-12 12:00 |
23:18:57.75 |
-09:36:52.7 |
HIP 115115 |
0.24 |
| 2026-04-13 00:00 |
23:19:11.73 |
-09:35:47.7 |
HIP 115115 |
3.57 |
| 2026-04-13 12:00 |
23:19:25.66 |
-09:34:43.1 |
HIP 115160 |
6.74 |
| 2026-04-14 00:00 |
23:19:39.54 |
-09:33:38.9 |
HIP 115160 |
6.96 |
| 2026-04-14 12:00 |
23:19:53.37 |
-09:32:35.1 |
HIP 115160 |
8.77 |
| 2026-04-15 00:00 |
23:20:07.14 |
-09:31:31.8 |
HIP 115160 |
11.42 |
| 2026-04-15 12:00 |
23:20:20.87 |
-09:30:28.8 |
HIP 115160 |
14.46 |
| 2026-04-16 00:00 |
23:20:34.54 |
-09:29:26.3 |
HIP 115160 |
17.67 |