C/1994 E1 (Mueller)
메타데이터
| 항목 |
값 |
| Designation |
C/1994 E1 (Mueller) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1993-11-28T11:07:06.925440Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:29:47Z |
| Obs used |
73 |
| NEO |
- |
| M1 |
11.000 |
| K1 |
12.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
1994-04-09.0000000 |
| e |
0.96835181 |
| q (au) |
1.751261 |
| a (au) |
55.335279 |
| i (deg) |
145.140300 |
| Ω (om, deg) |
5.175425 |
| ω (w, deg) |
98.924517 |
| M (ma, deg) |
0.314955 |
밝기
산란 + 전체 선형
$$
M_a = (11.413 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
11.413 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.583 |
| 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) |
| 2026-02-03 00:00 |
06:44:43.81 |
-12:10:55.1 |
HIP 32183 |
33.47 |
| 2026-02-03 12:00 |
06:44:41.60 |
-12:10:41.2 |
HIP 32183 |
32.93 |
| 2026-02-04 00:00 |
06:44:39.40 |
-12:10:27.3 |
HIP 32183 |
32.39 |
| 2026-02-04 12:00 |
06:44:37.22 |
-12:10:13.2 |
HIP 32183 |
31.86 |
| 2026-02-05 00:00 |
06:44:35.05 |
-12:09:58.9 |
HIP 32183 |
31.32 |
| 2026-02-05 12:00 |
06:44:32.89 |
-12:09:44.6 |
HIP 32183 |
30.79 |
| 2026-02-06 00:00 |
06:44:30.75 |
-12:09:30.1 |
HIP 32183 |
30.27 |
| 2026-02-06 12:00 |
06:44:28.62 |
-12:09:15.4 |
HIP 32183 |
29.74 |
| 2026-02-07 00:00 |
06:44:26.51 |
-12:09:00.6 |
HIP 32183 |
29.22 |
| 2026-02-07 12:00 |
06:44:24.41 |
-12:08:45.7 |
HIP 32183 |
28.70 |
| 2026-02-08 00:00 |
06:44:22.32 |
-12:08:30.6 |
HIP 32183 |
28.18 |
| 2026-02-08 12:00 |
06:44:20.25 |
-12:08:15.5 |
HIP 32183 |
27.66 |
| 2026-02-09 00:00 |
06:44:18.19 |
-12:08:00.1 |
HIP 32183 |
27.15 |
| 2026-02-09 12:00 |
06:44:16.14 |
-12:07:44.7 |
HIP 32183 |
26.64 |
| 2026-02-10 00:00 |
06:44:14.11 |
-12:07:29.1 |
HIP 32183 |
26.13 |
| 2026-02-10 12:00 |
06:44:12.10 |
-12:07:13.4 |
HIP 32183 |
25.62 |
| 2026-02-11 00:00 |
06:44:10.10 |
-12:06:57.6 |
HIP 32183 |
25.12 |
| 2026-02-11 12:00 |
06:44:08.11 |
-12:06:41.7 |
HIP 32183 |
24.62 |
| 2026-02-12 00:00 |
06:44:06.14 |
-12:06:25.6 |
HIP 32183 |
24.12 |
| 2026-02-12 12:00 |
06:44:04.19 |
-12:06:09.4 |
HIP 32183 |
23.62 |
| 2026-02-13 00:00 |
06:44:02.25 |
-12:05:53.1 |
HIP 32183 |
23.13 |
| 2026-02-13 12:00 |
06:44:00.33 |
-12:05:36.7 |
HIP 32183 |
22.64 |
| 2026-02-14 00:00 |
06:43:58.42 |
-12:05:20.1 |
HIP 32183 |
22.16 |
| 2026-02-14 12:00 |
06:43:56.53 |
-12:05:03.5 |
HIP 32183 |
21.67 |
| 2026-02-15 00:00 |
06:43:54.66 |
-12:04:46.7 |
HIP 32183 |
21.19 |
| 2026-02-15 12:00 |
06:43:52.80 |
-12:04:29.8 |
HIP 32183 |
20.72 |
| 2026-02-16 00:00 |
06:43:50.96 |
-12:04:12.8 |
HIP 32183 |
20.25 |
| 2026-02-16 12:00 |
06:43:49.13 |
-12:03:55.7 |
HIP 32183 |
19.78 |
| 2026-02-17 00:00 |
06:43:47.33 |
-12:03:38.5 |
HIP 32183 |
19.31 |
| 2026-02-17 12:00 |
06:43:45.53 |
-12:03:21.1 |
HIP 32183 |
18.85 |
| 2026-02-18 00:00 |
06:43:43.76 |
-12:03:03.7 |
HIP 32183 |
18.39 |
| 2026-02-18 12:00 |
06:43:42.00 |
-12:02:46.2 |
HIP 32183 |
17.93 |
| 2026-02-19 00:00 |
06:43:40.26 |
-12:02:28.6 |
HIP 32183 |
17.48 |
| 2026-02-19 12:00 |
06:43:38.54 |
-12:02:10.8 |
HIP 32183 |
17.03 |
| 2026-02-20 00:00 |
06:43:36.83 |
-12:01:53.0 |
HIP 32183 |
16.59 |
| 2026-02-20 12:00 |
06:43:35.15 |
-12:01:35.1 |
HIP 32183 |
16.15 |
| 2026-02-21 00:00 |
06:43:33.48 |
-12:01:17.0 |
HIP 32183 |
15.72 |
| 2026-02-21 12:00 |
06:43:31.83 |
-12:00:58.9 |
HIP 32183 |
15.29 |
| 2026-02-22 00:00 |
06:43:30.19 |
-12:00:40.7 |
HIP 32183 |
14.86 |
| 2026-02-22 12:00 |
06:43:28.58 |
-12:00:22.4 |
HIP 32183 |
14.44 |
| 2026-02-23 00:00 |
06:43:26.98 |
-12:00:04.0 |
HIP 32183 |
14.03 |
| 2026-02-23 12:00 |
06:43:25.40 |
-11:59:45.5 |
HIP 32183 |
13.62 |
| 2026-02-24 00:00 |
06:43:23.84 |
-11:59:27.0 |
HIP 32183 |
13.21 |