메타데이터
| 항목 |
값 |
| Designation |
C/2024 L1 (PANSTARRS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2025-04-23T13:04:04.661760Z |
| Orbit solution date (soln_date, UTC) |
2025-08-12T09:42:16Z |
| Obs used |
100 |
| NEO |
- |
| M1 |
14.300 |
| K1 |
4.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2024-06-01T07:04:12.230400Z |
| Discovery magnitude (MPC) |
21.19 w |
| Discovery observatory (MPC) |
F52 · Pan-STARRS 2, Haleakala |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2024-08-09.0000000 |
| e |
0.53343848 |
| q (au) |
5.347870 |
| a (au) |
11.462305 |
| i (deg) |
99.174449 |
| Ω (om, deg) |
45.136998 |
| ω (w, deg) |
171.833347 |
| M (ma, deg) |
353.458935 |
밝기
산란 + 전체 선형
$$
M_a = (12.968 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
12.968 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.500 |
| 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
찾아보기
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-07-29 00:00 |
12:38:42.23 |
-41:16:23.5 |
HIP 61810 |
15.27 |
| 2026-07-29 12:00 |
12:38:43.90 |
-41:16:08.4 |
HIP 61810 |
14.96 |
| 2026-07-30 00:00 |
12:38:45.75 |
-41:15:54.6 |
HIP 61810 |
14.62 |
| 2026-07-30 12:00 |
12:38:47.77 |
-41:15:42.2 |
HIP 61810 |
14.24 |
| 2026-07-31 00:00 |
12:38:49.96 |
-41:15:31.1 |
HIP 61810 |
13.84 |
| 2026-07-31 12:00 |
12:38:52.32 |
-41:15:21.5 |
HIP 61810 |
13.41 |
| 2026-08-01 00:00 |
12:38:54.86 |
-41:15:13.2 |
HIP 61810 |
12.94 |
| 2026-08-01 12:00 |
12:38:57.57 |
-41:15:06.3 |
HIP 61810 |
12.44 |
| 2026-08-02 00:00 |
12:39:00.44 |
-41:15:00.8 |
HIP 61810 |
11.91 |
| 2026-08-02 12:00 |
12:39:03.49 |
-41:14:56.7 |
HIP 61810 |
11.35 |
| 2026-08-03 00:00 |
12:39:06.70 |
-41:14:54.0 |
HIP 61810 |
10.76 |
| 2026-08-03 12:00 |
12:39:10.07 |
-41:14:52.6 |
HIP 61810 |
10.13 |
| 2026-08-04 00:00 |
12:39:13.61 |
-41:14:52.7 |
HIP 61810 |
9.47 |
| 2026-08-04 12:00 |
12:39:17.31 |
-41:14:54.1 |
HIP 61810 |
8.78 |
| 2026-08-05 00:00 |
12:39:21.17 |
-41:14:57.0 |
HIP 61810 |
8.06 |
| 2026-08-05 12:00 |
12:39:25.19 |
-41:15:01.2 |
HIP 61810 |
7.30 |
| 2026-08-06 00:00 |
12:39:29.37 |
-41:15:06.9 |
HIP 61810 |
6.51 |
| 2026-08-06 12:00 |
12:39:33.70 |
-41:15:13.9 |
HIP 61810 |
5.69 |
| 2026-08-07 00:00 |
12:39:38.20 |
-41:15:22.3 |
HIP 61810 |
4.83 |
| 2026-08-07 12:00 |
12:39:42.84 |
-41:15:32.2 |
HIP 61810 |
3.94 |
| 2026-08-08 00:00 |
12:39:47.64 |
-41:15:43.4 |
HIP 61810 |
3.02 |
| 2026-08-08 12:00 |
12:39:52.60 |
-41:15:56.1 |
HIP 61810 |
2.07 |
| 2026-08-09 00:00 |
12:39:57.70 |
-41:16:10.1 |
HIP 61810 |
1.09 |
| 2026-08-09 12:00 |
12:40:02.95 |
-41:16:25.6 |
HIP 61810 |
0.26 |
| 2026-08-10 00:00 |
12:40:08.36 |
-41:16:42.5 |
HIP 61810 |
1.04 |
| 2026-08-10 12:00 |
12:40:13.91 |
-41:17:00.7 |
HIP 61810 |
2.12 |
| 2026-08-11 00:00 |
12:40:19.60 |
-41:17:20.4 |
HIP 61810 |
3.23 |
| 2026-08-11 12:00 |
12:40:25.44 |
-41:17:41.5 |
HIP 61810 |
4.38 |
| 2026-08-12 00:00 |
12:40:31.42 |
-41:18:04.1 |
HIP 61810 |
5.57 |
| 2026-08-12 12:00 |
12:40:37.55 |
-41:18:28.0 |
HIP 61810 |
6.78 |
| 2026-08-13 00:00 |
12:40:43.81 |
-41:18:53.3 |
HIP 61810 |
8.03 |
| 2026-08-13 12:00 |
12:40:50.22 |
-41:19:20.1 |
HIP 61810 |
9.32 |
| 2026-08-14 00:00 |
12:40:56.76 |
-41:19:48.2 |
HIP 61810 |
10.63 |
| 2026-08-14 12:00 |
12:41:03.44 |
-41:20:17.8 |
HIP 61810 |
11.98 |
| 2026-08-15 00:00 |
12:41:10.25 |
-41:20:48.8 |
HIP 61810 |
13.36 |
| 2026-08-15 12:00 |
12:41:17.20 |
-41:21:21.2 |
HIP 61810 |
14.77 |
| 2026-08-16 00:00 |
12:41:24.28 |
-41:21:55.0 |
HIP 61810 |
16.21 |
| 2026-08-16 12:00 |
12:41:31.49 |
-41:22:30.2 |
HIP 61810 |
17.68 |
| 2026-08-17 00:00 |
12:41:38.83 |
-41:23:06.8 |
HIP 61810 |
19.18 |
| 2026-08-17 12:00 |
12:41:46.30 |
-41:23:44.8 |
HIP 62086 |
20.04 |
| 2026-08-18 00:00 |
12:41:53.89 |
-41:24:24.2 |
HIP 62086 |
18.82 |
| 2026-08-18 12:00 |
12:42:01.61 |
-41:25:05.0 |
HIP 62086 |
17.63 |
| 2026-08-19 00:00 |
12:42:09.46 |
-41:25:47.2 |
HIP 62086 |
16.51 |