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 |
-0.539 |
| 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) |
| 2026-05-12 00:00 |
13:23:59.26 |
-44:39:39.4 |
HIP 65460 |
14.12 |
| 2026-05-12 12:00 |
13:23:21.43 |
-44:38:45.2 |
HIP 65460 |
19.39 |
| 2026-05-13 00:00 |
13:22:43.79 |
-44:37:49.2 |
HIP 65460 |
25.37 |
| 2026-05-13 12:00 |
13:22:06.35 |
-44:36:51.3 |
HIP 65140 |
24.12 |
| 2026-05-14 00:00 |
13:21:29.11 |
-44:35:51.7 |
HIP 65140 |
22.41 |
| 2026-05-14 12:00 |
13:20:52.07 |
-44:34:50.3 |
HIP 65140 |
22.65 |
| 2026-05-15 00:00 |
13:20:15.25 |
-44:33:47.2 |
HIP 65140 |
24.76 |
| 2026-05-15 12:00 |
13:19:38.64 |
-44:32:42.4 |
HIP 65140 |
28.31 |
| 2026-05-16 00:00 |
13:19:02.24 |
-44:31:35.9 |
HIP 64778 |
28.81 |
| 2026-05-16 12:00 |
13:18:26.07 |
-44:30:27.9 |
HIP 64778 |
23.51 |
| 2026-05-17 00:00 |
13:17:50.12 |
-44:29:18.2 |
HIP 64778 |
19.03 |
| 2026-05-17 12:00 |
13:17:14.39 |
-44:28:07.0 |
HIP 64778 |
16.05 |
| 2026-05-18 00:00 |
13:16:38.90 |
-44:26:54.3 |
HIP 64778 |
15.41 |
| 2026-05-18 12:00 |
13:16:03.64 |
-44:25:40.1 |
HIP 64778 |
17.34 |
| 2026-05-19 00:00 |
13:15:28.62 |
-44:24:24.5 |
HIP 64778 |
21.11 |
| 2026-05-19 12:00 |
13:14:53.84 |
-44:23:07.4 |
HIP 64778 |
25.91 |
| 2026-05-20 00:00 |
13:14:19.30 |
-44:21:49.0 |
HIP 64778 |
31.24 |
| 2026-05-20 12:00 |
13:13:45.01 |
-44:20:29.2 |
HIP 64503 |
31.18 |
| 2026-05-21 00:00 |
13:13:10.97 |
-44:19:08.1 |
HIP 64503 |
29.35 |
| 2026-05-21 12:00 |
13:12:37.18 |
-44:17:45.8 |
HIP 64503 |
28.77 |
| 2026-05-22 00:00 |
13:12:03.64 |
-44:16:22.2 |
HIP 64259 |
27.34 |
| 2026-05-22 12:00 |
13:11:30.36 |
-44:14:57.4 |
HIP 64259 |
24.60 |
| 2026-05-23 00:00 |
13:10:57.34 |
-44:13:31.5 |
HIP 64259 |
23.22 |
| 2026-05-23 12:00 |
13:10:24.58 |
-44:12:04.4 |
HIP 64178 |
18.67 |
| 2026-05-24 00:00 |
13:09:52.08 |
-44:10:36.2 |
HIP 64178 |
13.91 |
| 2026-05-24 12:00 |
13:09:19.84 |
-44:09:07.0 |
HIP 64178 |
10.53 |
| 2026-05-25 00:00 |
13:08:47.88 |
-44:07:36.7 |
HIP 64178 |
9.94 |
| 2026-05-25 12:00 |
13:08:16.18 |
-44:06:05.5 |
HIP 64178 |
12.50 |
| 2026-05-26 00:00 |
13:07:44.75 |
-44:04:33.2 |
HIP 64178 |
16.78 |
| 2026-05-26 12:00 |
13:07:13.60 |
-44:03:00.1 |
HIP 64178 |
21.75 |
| 2026-05-27 00:00 |
13:06:42.71 |
-44:01:26.0 |
HIP 63930 |
24.56 |
| 2026-05-27 12:00 |
13:06:12.11 |
-43:59:51.1 |
HIP 63930 |
25.38 |
| 2026-05-28 00:00 |
13:05:41.78 |
-43:58:15.4 |
HIP 63714 |
25.11 |
| 2026-05-28 12:00 |
13:05:11.73 |
-43:56:38.9 |
HIP 63714 |
19.48 |
| 2026-05-29 00:00 |
13:04:41.95 |
-43:55:01.6 |
HIP 63714 |
13.92 |
| 2026-05-29 12:00 |
13:04:12.46 |
-43:53:23.6 |
HIP 63714 |
8.45 |
| 2026-05-30 00:00 |
13:03:43.26 |
-43:51:44.9 |
HIP 63714 |
3.33 |
| 2026-05-30 12:00 |
13:03:14.33 |
-43:50:05.5 |
HIP 63714 |
3.38 |
| 2026-05-31 00:00 |
13:02:45.69 |
-43:48:25.5 |
HIP 63714 |
8.43 |
| 2026-05-31 12:00 |
13:02:17.33 |
-43:46:44.9 |
HIP 63714 |
13.72 |
| 2026-06-01 00:00 |
13:01:49.26 |
-43:45:03.7 |
HIP 63714 |
19.03 |
| 2026-06-01 12:00 |
13:01:21.48 |
-43:43:22.0 |
HIP 63412 |
20.77 |
| 2026-06-02 00:00 |
13:00:53.99 |
-43:41:39.8 |
HIP 63412 |
17.42 |