C/1952 H1 (Mrkos)
메타데이터
| 항목 |
값 |
| Designation |
C/1952 H1 (Mrkos) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1952-06-08T17:20:59.570880Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:29:10Z |
| Obs used |
60 |
| NEO |
- |
| M1 |
5.500 |
| K1 |
37.250 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
1952-07-02.0000000 |
| e |
0.98344799 |
| q (au) |
1.282807 |
| a (au) |
77.501590 |
| i (deg) |
112.034543 |
| Ω (om, deg) |
122.356189 |
| ω (w, deg) |
144.900038 |
| M (ma, deg) |
0.033625 |
밝기
산란 + 전체 선형
$$
M_a = (7.294 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
7.294 |
| n |
6.000 |
| gf |
0.800 |
| gb |
-0.500 |
| k |
1.000 |
| δ90 |
9.734 |
| 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 |
08:45:44.32 |
-24:53:18.0 |
HIP 43040 |
13.85 |
| 2026-02-03 12:00 |
08:45:42.78 |
-24:53:12.3 |
HIP 43040 |
13.91 |
| 2026-02-04 00:00 |
08:45:41.24 |
-24:53:06.4 |
HIP 43040 |
13.98 |
| 2026-02-04 12:00 |
08:45:39.70 |
-24:53:00.3 |
HIP 43040 |
14.06 |
| 2026-02-05 00:00 |
08:45:38.17 |
-24:52:54.2 |
HIP 43040 |
14.15 |
| 2026-02-05 12:00 |
08:45:36.64 |
-24:52:47.9 |
HIP 43040 |
14.24 |
| 2026-02-06 00:00 |
08:45:35.10 |
-24:52:41.5 |
HIP 43040 |
14.33 |
| 2026-02-06 12:00 |
08:45:33.57 |
-24:52:35.0 |
HIP 43040 |
14.44 |
| 2026-02-07 00:00 |
08:45:32.05 |
-24:52:28.4 |
HIP 43040 |
14.55 |
| 2026-02-07 12:00 |
08:45:30.52 |
-24:52:21.6 |
HIP 43040 |
14.66 |
| 2026-02-08 00:00 |
08:45:29.00 |
-24:52:14.7 |
HIP 43040 |
14.79 |
| 2026-02-08 12:00 |
08:45:27.47 |
-24:52:07.7 |
HIP 43040 |
14.92 |
| 2026-02-09 00:00 |
08:45:25.96 |
-24:52:00.6 |
HIP 43040 |
15.05 |
| 2026-02-09 12:00 |
08:45:24.44 |
-24:51:53.3 |
HIP 43040 |
15.19 |
| 2026-02-10 00:00 |
08:45:22.92 |
-24:51:46.0 |
HIP 43040 |
15.34 |
| 2026-02-10 12:00 |
08:45:21.41 |
-24:51:38.5 |
HIP 43040 |
15.49 |
| 2026-02-11 00:00 |
08:45:19.91 |
-24:51:30.9 |
HIP 43040 |
15.64 |
| 2026-02-11 12:00 |
08:45:18.40 |
-24:51:23.1 |
HIP 43040 |
15.81 |
| 2026-02-12 00:00 |
08:45:16.90 |
-24:51:15.3 |
HIP 42873 |
15.96 |
| 2026-02-12 12:00 |
08:45:15.40 |
-24:51:07.3 |
HIP 42873 |
15.71 |
| 2026-02-13 00:00 |
08:45:13.90 |
-24:50:59.3 |
HIP 42873 |
15.47 |
| 2026-02-13 12:00 |
08:45:12.41 |
-24:50:51.1 |
HIP 42873 |
15.23 |
| 2026-02-14 00:00 |
08:45:10.92 |
-24:50:42.8 |
HIP 42873 |
15.00 |
| 2026-02-14 12:00 |
08:45:09.44 |
-24:50:34.3 |
HIP 42873 |
14.77 |
| 2026-02-15 00:00 |
08:45:07.96 |
-24:50:25.8 |
HIP 42873 |
14.56 |
| 2026-02-15 12:00 |
08:45:06.48 |
-24:50:17.1 |
HIP 42873 |
14.35 |
| 2026-02-16 00:00 |
08:45:05.01 |
-24:50:08.4 |
HIP 42873 |
14.15 |
| 2026-02-16 12:00 |
08:45:03.54 |
-24:49:59.5 |
HIP 42873 |
13.95 |
| 2026-02-17 00:00 |
08:45:02.08 |
-24:49:50.5 |
HIP 42873 |
13.77 |
| 2026-02-17 12:00 |
08:45:00.62 |
-24:49:41.4 |
HIP 42873 |
13.59 |
| 2026-02-18 00:00 |
08:44:59.17 |
-24:49:32.2 |
HIP 42873 |
13.43 |
| 2026-02-18 12:00 |
08:44:57.72 |
-24:49:22.9 |
HIP 42873 |
13.27 |
| 2026-02-19 00:00 |
08:44:56.27 |
-24:49:13.4 |
HIP 42873 |
13.13 |
| 2026-02-19 12:00 |
08:44:54.83 |
-24:49:03.9 |
HIP 42873 |
12.99 |
| 2026-02-20 00:00 |
08:44:53.40 |
-24:48:54.3 |
HIP 42873 |
12.87 |
| 2026-02-20 12:00 |
08:44:51.97 |
-24:48:44.5 |
HIP 42873 |
12.76 |
| 2026-02-21 00:00 |
08:44:50.54 |
-24:48:34.7 |
HIP 42873 |
12.66 |
| 2026-02-21 12:00 |
08:44:49.12 |
-24:48:24.7 |
HIP 42873 |
12.57 |
| 2026-02-22 00:00 |
08:44:47.71 |
-24:48:14.7 |
HIP 42873 |
12.49 |
| 2026-02-22 12:00 |
08:44:46.30 |
-24:48:04.5 |
HIP 42873 |
12.43 |
| 2026-02-23 00:00 |
08:44:44.90 |
-24:47:54.2 |
HIP 42873 |
12.37 |
| 2026-02-23 12:00 |
08:44:43.51 |
-24:47:43.9 |
HIP 42873 |
12.33 |
| 2026-02-24 00:00 |
08:44:42.12 |
-24:47:33.4 |
HIP 42873 |
12.31 |