184P/Lovas 2
메타데이터
| 항목 |
값 |
| Designation |
184P/Lovas 2 |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2013-07-28T11:10:21.118080Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:27:47Z |
| Obs used |
349 |
| NEO |
- |
| M1 |
18.400 |
| K1 |
5.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2013-06-17.0000000 |
| e |
0.60425111 |
| q (au) |
1.394023 |
| a (au) |
3.522495 |
| i (deg) |
1.551449 |
| Ω (om, deg) |
277.744967 |
| ω (w, deg) |
78.060921 |
| M (ma, deg) |
353.818190 |
밝기
산란 + 전체 선형
$$
M_a = (17.513 + 3.819\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
17.513 |
| n |
3.819 |
| gf |
1.000 |
| gb |
-0.869 |
| 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) |
| 2026-02-03 00:00 |
14:34:13.34 |
-12:13:10.3 |
HIP 71253 |
18.11 |
| 2026-02-03 12:00 |
14:34:20.45 |
-12:13:19.3 |
HIP 71253 |
17.96 |
| 2026-02-04 00:00 |
14:34:27.39 |
-12:13:27.4 |
HIP 71253 |
17.98 |
| 2026-02-04 12:00 |
14:34:34.15 |
-12:13:34.6 |
HIP 71253 |
18.17 |
| 2026-02-05 00:00 |
14:34:40.74 |
-12:13:40.7 |
HIP 71253 |
18.51 |
| 2026-02-05 12:00 |
14:34:47.14 |
-12:13:46.0 |
HIP 71253 |
18.98 |
| 2026-02-06 00:00 |
14:34:53.37 |
-12:13:50.3 |
HIP 71253 |
19.55 |
| 2026-02-06 12:00 |
14:34:59.41 |
-12:13:53.6 |
HIP 71253 |
20.22 |
| 2026-02-07 00:00 |
14:35:05.27 |
-12:13:55.9 |
HIP 71253 |
20.95 |
| 2026-02-07 12:00 |
14:35:10.95 |
-12:13:57.3 |
HIP 71253 |
21.75 |
| 2026-02-08 00:00 |
14:35:16.44 |
-12:13:57.8 |
HIP 71253 |
22.58 |
| 2026-02-08 12:00 |
14:35:21.75 |
-12:13:57.2 |
HIP 71253 |
23.44 |
| 2026-02-09 00:00 |
14:35:26.87 |
-12:13:55.7 |
HIP 71469 |
23.25 |
| 2026-02-09 12:00 |
14:35:31.81 |
-12:13:53.2 |
HIP 71469 |
22.08 |
| 2026-02-10 00:00 |
14:35:36.56 |
-12:13:49.7 |
HIP 71469 |
20.96 |
| 2026-02-10 12:00 |
14:35:41.11 |
-12:13:45.2 |
HIP 71469 |
19.89 |
| 2026-02-11 00:00 |
14:35:45.48 |
-12:13:39.8 |
HIP 71469 |
18.87 |
| 2026-02-11 12:00 |
14:35:49.66 |
-12:13:33.3 |
HIP 71469 |
17.92 |
| 2026-02-12 00:00 |
14:35:53.65 |
-12:13:25.9 |
HIP 71469 |
17.02 |
| 2026-02-12 12:00 |
14:35:57.44 |
-12:13:17.5 |
HIP 71469 |
16.17 |
| 2026-02-13 00:00 |
14:36:01.04 |
-12:13:08.1 |
HIP 71469 |
15.40 |
| 2026-02-13 12:00 |
14:36:04.44 |
-12:12:57.7 |
HIP 71469 |
14.68 |
| 2026-02-14 00:00 |
14:36:07.65 |
-12:12:46.3 |
HIP 71469 |
14.03 |
| 2026-02-14 12:00 |
14:36:10.67 |
-12:12:33.9 |
HIP 71469 |
13.44 |
| 2026-02-15 00:00 |
14:36:13.49 |
-12:12:20.5 |
HIP 71469 |
12.93 |
| 2026-02-15 12:00 |
14:36:16.11 |
-12:12:06.1 |
HIP 71469 |
12.49 |
| 2026-02-16 00:00 |
14:36:18.53 |
-12:11:50.7 |
HIP 71469 |
12.11 |
| 2026-02-16 12:00 |
14:36:20.76 |
-12:11:34.2 |
HIP 71469 |
11.82 |
| 2026-02-17 00:00 |
14:36:22.78 |
-12:11:16.8 |
HIP 71469 |
11.59 |
| 2026-02-17 12:00 |
14:36:24.60 |
-12:10:58.4 |
HIP 71469 |
11.44 |
| 2026-02-18 00:00 |
14:36:26.23 |
-12:10:38.9 |
HIP 71469 |
11.36 |
| 2026-02-18 12:00 |
14:36:27.65 |
-12:10:18.5 |
HIP 71469 |
11.34 |
| 2026-02-19 00:00 |
14:36:28.87 |
-12:09:57.0 |
HIP 71469 |
11.40 |
| 2026-02-19 12:00 |
14:36:29.89 |
-12:09:34.6 |
HIP 71469 |
11.52 |
| 2026-02-20 00:00 |
14:36:30.71 |
-12:09:11.1 |
HIP 71469 |
11.69 |
| 2026-02-20 12:00 |
14:36:31.32 |
-12:08:46.6 |
HIP 71469 |
11.93 |
| 2026-02-21 00:00 |
14:36:31.73 |
-12:08:21.1 |
HIP 71469 |
12.21 |
| 2026-02-21 12:00 |
14:36:31.93 |
-12:07:54.6 |
HIP 71469 |
12.55 |
| 2026-02-22 00:00 |
14:36:31.93 |
-12:07:27.1 |
HIP 71469 |
12.94 |
| 2026-02-22 12:00 |
14:36:31.73 |
-12:06:58.5 |
HIP 71469 |
13.37 |
| 2026-02-23 00:00 |
14:36:31.32 |
-12:06:29.0 |
HIP 71469 |
13.84 |
| 2026-02-23 12:00 |
14:36:30.71 |
-12:05:58.5 |
HIP 71469 |
14.35 |
| 2026-02-24 00:00 |
14:36:29.89 |
-12:05:26.9 |
HIP 71469 |
14.91 |