메타데이터
| 항목 |
값 |
| Designation |
C/1955 L1 (Mrkos) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1955-06-04T03:57:09.207360Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:29:12Z |
| Obs used |
21 |
| NEO |
- |
| M1 |
- |
| K1 |
- |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
1955-07-14.0000000 |
| e |
0.98921350 |
| q (au) |
0.534369 |
| a (au) |
49.540478 |
| i (deg) |
86.503010 |
| Ω (om, deg) |
48.941547 |
| ω (w, deg) |
32.506239 |
| M (ma, deg) |
0.112598 |
밝기
산란 + 전체 선형
$$
M_a = (6.847 + 4.080\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
6.847 |
| n |
4.080 |
| gf |
1.000 |
| gb |
-0.565 |
| k |
0.800 |
| 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) |
| 2026-03-26 00:00 |
14:35:44.51 |
-44:56:16.8 |
HIP 71342 |
22.47 |
| 2026-03-26 12:00 |
14:35:42.77 |
-44:56:19.1 |
HIP 71342 |
22.38 |
| 2026-03-27 00:00 |
14:35:41.01 |
-44:56:21.3 |
HIP 71342 |
22.30 |
| 2026-03-27 12:00 |
14:35:39.25 |
-44:56:23.4 |
HIP 71342 |
22.22 |
| 2026-03-28 00:00 |
14:35:37.47 |
-44:56:25.4 |
HIP 71342 |
22.14 |
| 2026-03-28 12:00 |
14:35:35.69 |
-44:56:27.3 |
HIP 71342 |
22.08 |
| 2026-03-29 00:00 |
14:35:33.89 |
-44:56:29.0 |
HIP 71342 |
22.02 |
| 2026-03-29 12:00 |
14:35:32.09 |
-44:56:30.6 |
HIP 71342 |
21.96 |
| 2026-03-30 00:00 |
14:35:30.27 |
-44:56:32.2 |
HIP 71342 |
21.91 |
| 2026-03-30 12:00 |
14:35:28.44 |
-44:56:33.6 |
HIP 71342 |
21.87 |
| 2026-03-31 00:00 |
14:35:26.60 |
-44:56:34.8 |
HIP 71342 |
21.84 |
| 2026-03-31 12:00 |
14:35:24.76 |
-44:56:36.0 |
HIP 71342 |
21.81 |
| 2026-04-01 00:00 |
14:35:22.90 |
-44:56:37.0 |
HIP 71342 |
21.78 |
| 2026-04-01 12:00 |
14:35:21.03 |
-44:56:37.9 |
HIP 71342 |
21.77 |
| 2026-04-02 00:00 |
14:35:19.16 |
-44:56:38.7 |
HIP 71342 |
21.76 |
| 2026-04-02 12:00 |
14:35:17.27 |
-44:56:39.4 |
HIP 71342 |
21.76 |
| 2026-04-03 00:00 |
14:35:15.38 |
-44:56:40.0 |
HIP 71342 |
21.77 |
| 2026-04-03 12:00 |
14:35:13.47 |
-44:56:40.4 |
HIP 71342 |
21.78 |
| 2026-04-04 00:00 |
14:35:11.56 |
-44:56:40.8 |
HIP 71342 |
21.80 |
| 2026-04-04 12:00 |
14:35:09.64 |
-44:56:41.0 |
HIP 71342 |
21.83 |
| 2026-04-05 00:00 |
14:35:07.71 |
-44:56:41.1 |
HIP 71342 |
21.86 |
| 2026-04-05 12:00 |
14:35:05.77 |
-44:56:41.0 |
HIP 71342 |
21.91 |
| 2026-04-06 00:00 |
14:35:03.83 |
-44:56:40.9 |
HIP 71342 |
21.96 |
| 2026-04-06 12:00 |
14:35:01.87 |
-44:56:40.6 |
HIP 71342 |
22.01 |
| 2026-04-07 00:00 |
14:34:59.91 |
-44:56:40.2 |
HIP 71342 |
22.08 |
| 2026-04-07 12:00 |
14:34:57.94 |
-44:56:39.7 |
HIP 71342 |
22.15 |
| 2026-04-08 00:00 |
14:34:55.96 |
-44:56:39.1 |
HIP 71342 |
22.23 |
| 2026-04-08 12:00 |
14:34:53.97 |
-44:56:38.3 |
HIP 71342 |
22.32 |
| 2026-04-09 00:00 |
14:34:51.98 |
-44:56:37.5 |
HIP 71342 |
22.41 |
| 2026-04-09 12:00 |
14:34:49.98 |
-44:56:36.5 |
HIP 71342 |
22.52 |
| 2026-04-10 00:00 |
14:34:47.97 |
-44:56:35.4 |
HIP 71342 |
22.63 |
| 2026-04-10 12:00 |
14:34:45.96 |
-44:56:34.2 |
HIP 71342 |
22.74 |
| 2026-04-11 00:00 |
14:34:43.93 |
-44:56:32.8 |
HIP 71342 |
22.87 |
| 2026-04-11 12:00 |
14:34:41.91 |
-44:56:31.4 |
HIP 71128 |
22.65 |
| 2026-04-12 00:00 |
14:34:39.87 |
-44:56:29.8 |
HIP 71128 |
22.33 |
| 2026-04-12 12:00 |
14:34:37.83 |
-44:56:28.1 |
HIP 71128 |
22.02 |
| 2026-04-13 00:00 |
14:34:35.78 |
-44:56:26.3 |
HIP 71128 |
21.72 |
| 2026-04-13 12:00 |
14:34:33.73 |
-44:56:24.3 |
HIP 71128 |
21.41 |
| 2026-04-14 00:00 |
14:34:31.67 |
-44:56:22.3 |
HIP 71128 |
21.10 |
| 2026-04-14 12:00 |
14:34:29.60 |
-44:56:20.1 |
HIP 71128 |
20.80 |
| 2026-04-15 00:00 |
14:34:27.53 |
-44:56:17.8 |
HIP 71128 |
20.50 |
| 2026-04-15 12:00 |
14:34:25.45 |
-44:56:15.4 |
HIP 71128 |
20.20 |
| 2026-04-16 00:00 |
14:34:23.37 |
-44:56:12.9 |
HIP 71128 |
19.90 |