메타데이터
| 항목 |
값 |
| Designation |
437P/Lemmon-PANSTARRS |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2012-11-24T04:41:12.096960Z |
| Orbit solution date (soln_date, UTC) |
2023-01-21T03:13:43Z |
| Obs used |
106 |
| NEO |
- |
| M1 |
7.700 |
| K1 |
20.000 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2011-10-24T06:09:06.048000Z |
| Discovery magnitude (MPC) |
20.90 V |
| Discovery observatory (MPC) |
G96 · University of Arizona Mt. Lemmon Survey |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2017-09-29.0000000 |
| e |
0.25225853 |
| q (au) |
3.409730 |
| a (au) |
4.560038 |
| i (deg) |
3.690020 |
| Ω (om, deg) |
245.898008 |
| ω (w, deg) |
206.625064 |
| M (ma, deg) |
179.133437 |
밝기
산란 + 전체 선형
$$
M_a = (12.398 + 4.084\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
12.398 |
| n |
4.084 |
| 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
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
16:19:47.25 |
-21:19:12.7 |
HIP 79977 |
6.53 |
| 2026-06-01 12:00 |
16:19:30.49 |
-21:18:23.2 |
HIP 79977 |
5.84 |
| 2026-06-02 00:00 |
16:19:13.76 |
-21:17:33.6 |
HIP 79977 |
7.57 |
| 2026-06-02 12:00 |
16:18:57.05 |
-21:16:44.0 |
HIP 79977 |
10.59 |
| 2026-06-03 00:00 |
16:18:40.37 |
-21:15:54.4 |
HIP 79977 |
14.09 |
| 2026-06-03 12:00 |
16:18:23.72 |
-21:15:04.7 |
HIP 79977 |
17.79 |
| 2026-06-04 00:00 |
16:18:07.11 |
-21:14:15.1 |
HIP 79785 |
16.41 |
| 2026-06-04 12:00 |
16:17:50.54 |
-21:13:25.4 |
HIP 79785 |
12.99 |
| 2026-06-05 00:00 |
16:17:34.01 |
-21:12:35.7 |
HIP 79785 |
9.96 |
| 2026-06-05 12:00 |
16:17:17.52 |
-21:11:46.1 |
HIP 79785 |
7.81 |
| 2026-06-06 00:00 |
16:17:01.08 |
-21:10:56.4 |
HIP 79785 |
7.32 |
| 2026-06-06 12:00 |
16:16:44.69 |
-21:10:06.8 |
HIP 79743 |
5.55 |
| 2026-06-07 00:00 |
16:16:28.34 |
-21:09:17.3 |
HIP 79743 |
4.94 |
| 2026-06-07 12:00 |
16:16:12.05 |
-21:08:27.7 |
HIP 79743 |
6.95 |
| 2026-06-08 00:00 |
16:15:55.82 |
-21:07:38.2 |
HIP 79743 |
10.11 |
| 2026-06-08 12:00 |
16:15:39.65 |
-21:06:48.8 |
HIP 79743 |
13.63 |
| 2026-06-09 00:00 |
16:15:23.53 |
-21:05:59.5 |
HIP 79599 |
12.75 |
| 2026-06-09 12:00 |
16:15:07.49 |
-21:05:10.2 |
HIP 79599 |
9.09 |
| 2026-06-10 00:00 |
16:14:51.50 |
-21:04:21.0 |
HIP 79599 |
5.68 |
| 2026-06-10 12:00 |
16:14:35.59 |
-21:03:31.9 |
HIP 79599 |
3.31 |
| 2026-06-11 00:00 |
16:14:19.74 |
-21:02:42.9 |
HIP 79599 |
4.31 |
| 2026-06-11 12:00 |
16:14:03.97 |
-21:01:53.9 |
HIP 79599 |
7.39 |
| 2026-06-12 00:00 |
16:13:48.28 |
-21:01:05.2 |
HIP 79599 |
10.89 |
| 2026-06-12 12:00 |
16:13:32.67 |
-21:00:16.5 |
HIP 79599 |
14.50 |
| 2026-06-13 00:00 |
16:13:17.13 |
-20:59:28.0 |
HIP 79599 |
18.14 |
| 2026-06-13 12:00 |
16:13:01.68 |
-20:58:39.6 |
HIP 79369 |
17.22 |
| 2026-06-14 00:00 |
16:12:46.32 |
-20:57:51.3 |
HIP 79369 |
14.55 |
| 2026-06-14 12:00 |
16:12:31.05 |
-20:57:03.2 |
HIP 79369 |
12.42 |
| 2026-06-15 00:00 |
16:12:15.87 |
-20:56:15.3 |
HIP 79369 |
11.11 |
| 2026-06-15 12:00 |
16:12:00.78 |
-20:55:27.6 |
HIP 79369 |
10.91 |
| 2026-06-16 00:00 |
16:11:45.79 |
-20:54:40.0 |
HIP 79369 |
11.85 |
| 2026-06-16 12:00 |
16:11:30.89 |
-20:53:52.7 |
HIP 79369 |
13.69 |
| 2026-06-17 00:00 |
16:11:16.10 |
-20:53:05.5 |
HIP 79369 |
16.10 |
| 2026-06-17 12:00 |
16:11:01.41 |
-20:52:18.5 |
HIP 79369 |
18.85 |
| 2026-06-18 00:00 |
16:10:46.83 |
-20:51:31.8 |
HIP 79369 |
21.80 |
| 2026-06-18 12:00 |
16:10:32.35 |
-20:50:45.2 |
HIP 79369 |
24.87 |
| 2026-06-19 00:00 |
16:10:17.99 |
-20:49:58.9 |
HIP 79085 |
23.92 |
| 2026-06-19 12:00 |
16:10:03.73 |
-20:49:12.9 |
HIP 79085 |
20.55 |
| 2026-06-20 00:00 |
16:09:49.59 |
-20:48:27.0 |
HIP 79085 |
17.23 |
| 2026-06-20 12:00 |
16:09:35.57 |
-20:47:41.5 |
HIP 79085 |
13.98 |
| 2026-06-21 00:00 |
16:09:21.66 |
-20:46:56.1 |
HIP 79085 |
10.81 |
| 2026-06-21 12:00 |
16:09:07.88 |
-20:46:11.1 |
HIP 79083 |
7.68 |
| 2026-06-22 00:00 |
16:08:54.21 |
-20:45:26.3 |
HIP 79083 |
4.46 |