메타데이터
| 항목 |
값 |
| Designation |
C/2024 W1 (PANSTARRS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2025-03-19T01:48:39.398400Z |
| Orbit solution date (soln_date, UTC) |
2025-02-13T09:13:00Z |
| Obs used |
27 |
| NEO |
- |
| M1 |
5.100 |
| K1 |
28.750 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2024-11-22T14:32:42.374400Z |
| Discovery magnitude (MPC) |
20.74 w |
| Discovery observatory (MPC) |
F51 · Pan-STARRS 1, Haleakala |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2024-12-13.0000000 |
| e |
0.94290668 |
| q (au) |
2.560778 |
| a (au) |
44.852495 |
| i (deg) |
83.200718 |
| Ω (om, deg) |
310.728342 |
| ω (w, deg) |
256.729174 |
| M (ma, deg) |
359.684763 |
밝기
산란 + 전체 선형
$$
M_a = (10.270 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
10.270 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-1.000 |
| 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) |
| 2026-06-01 00:00 |
21:53:27.10 |
-28:50:30.6 |
HIP 108009 |
8.19 |
| 2026-06-01 12:00 |
21:53:14.27 |
-28:50:02.2 |
HIP 108009 |
5.72 |
| 2026-06-02 00:00 |
21:53:01.19 |
-28:49:34.5 |
HIP 108009 |
3.80 |
| 2026-06-02 12:00 |
21:52:47.87 |
-28:49:07.5 |
HIP 108009 |
3.65 |
| 2026-06-03 00:00 |
21:52:34.30 |
-28:48:41.1 |
HIP 108009 |
5.50 |
| 2026-06-03 12:00 |
21:52:20.48 |
-28:48:15.3 |
HIP 108009 |
8.13 |
| 2026-06-04 00:00 |
21:52:06.41 |
-28:47:50.2 |
HIP 108009 |
11.04 |
| 2026-06-04 12:00 |
21:51:52.10 |
-28:47:25.7 |
HIP 108009 |
14.09 |
| 2026-06-05 00:00 |
21:51:37.54 |
-28:47:01.8 |
HIP 108009 |
17.24 |
| 2026-06-05 12:00 |
21:51:22.73 |
-28:46:38.5 |
HIP 108009 |
20.46 |
| 2026-06-06 00:00 |
21:51:07.67 |
-28:46:15.7 |
HIP 108009 |
23.75 |
| 2026-06-06 12:00 |
21:50:52.37 |
-28:45:53.5 |
HIP 108009 |
27.10 |
| 2026-06-07 00:00 |
21:50:36.82 |
-28:45:31.9 |
HIP 108009 |
30.51 |
| 2026-06-07 12:00 |
21:50:21.02 |
-28:45:10.8 |
HIP 108009 |
33.98 |
| 2026-06-08 00:00 |
21:50:04.98 |
-28:44:50.2 |
HIP 107675 |
36.62 |
| 2026-06-08 12:00 |
21:49:48.70 |
-28:44:30.2 |
HIP 107675 |
35.29 |
| 2026-06-09 00:00 |
21:49:32.16 |
-28:44:10.7 |
HIP 107675 |
34.26 |
| 2026-06-09 12:00 |
21:49:15.38 |
-28:43:51.6 |
HIP 107675 |
33.58 |
| 2026-06-10 00:00 |
21:48:58.36 |
-28:43:33.0 |
HIP 107644 |
32.55 |
| 2026-06-10 12:00 |
21:48:41.09 |
-28:43:14.9 |
HIP 107644 |
31.27 |
| 2026-06-11 00:00 |
21:48:23.58 |
-28:42:57.2 |
HIP 107644 |
30.42 |
| 2026-06-11 12:00 |
21:48:05.82 |
-28:42:40.0 |
HIP 107644 |
30.05 |
| 2026-06-12 00:00 |
21:47:47.82 |
-28:42:23.2 |
HIP 107431 |
29.48 |
| 2026-06-12 12:00 |
21:47:29.58 |
-28:42:06.8 |
HIP 107431 |
25.50 |
| 2026-06-13 00:00 |
21:47:11.10 |
-28:41:50.8 |
HIP 107431 |
21.48 |
| 2026-06-13 12:00 |
21:46:52.38 |
-28:41:35.1 |
HIP 107431 |
17.41 |
| 2026-06-14 00:00 |
21:46:33.41 |
-28:41:19.8 |
HIP 107431 |
13.33 |
| 2026-06-14 12:00 |
21:46:14.21 |
-28:41:04.9 |
HIP 107431 |
9.26 |
| 2026-06-15 00:00 |
21:45:54.77 |
-28:40:50.3 |
HIP 107431 |
5.37 |
| 2026-06-15 12:00 |
21:45:35.09 |
-28:40:35.9 |
HIP 107431 |
2.90 |
| 2026-06-16 00:00 |
21:45:15.18 |
-28:40:21.9 |
HIP 107431 |
5.07 |
| 2026-06-16 12:00 |
21:44:55.03 |
-28:40:08.2 |
HIP 107431 |
9.06 |
| 2026-06-17 00:00 |
21:44:34.65 |
-28:39:54.7 |
HIP 107431 |
13.38 |
| 2026-06-17 12:00 |
21:44:14.04 |
-28:39:41.4 |
HIP 107431 |
17.82 |
| 2026-06-18 00:00 |
21:43:53.19 |
-28:39:28.4 |
HIP 107431 |
22.35 |
| 2026-06-18 12:00 |
21:43:32.12 |
-28:39:15.5 |
HIP 107431 |
26.94 |
| 2026-06-19 00:00 |
21:43:10.82 |
-28:39:02.9 |
HIP 107431 |
31.59 |
| 2026-06-19 12:00 |
21:42:49.29 |
-28:38:50.4 |
HIP 107431 |
36.30 |
| 2026-06-20 00:00 |
21:42:27.54 |
-28:38:38.1 |
HIP 107431 |
41.06 |
| 2026-06-20 12:00 |
21:42:05.56 |
-28:38:25.9 |
HIP 107023 |
40.98 |
| 2026-06-21 00:00 |
21:41:43.36 |
-28:38:13.8 |
HIP 107023 |
38.95 |
| 2026-06-21 12:00 |
21:41:20.95 |
-28:38:01.9 |
HIP 107023 |
37.44 |
| 2026-06-22 00:00 |
21:40:58.31 |
-28:37:50.0 |
HIP 107023 |
36.52 |