메타데이터
| 항목 |
값 |
| Designation |
C/1993 F1 (Mueller) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1992-08-04T20:31:29.202240Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:29:43Z |
| Obs used |
102 |
| NEO |
- |
| M1 |
6.400 |
| K1 |
9.500 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
1993-08-21.0000000 |
| e |
1.00540314 |
| q (au) |
5.901066 |
| a (au) |
-1092.155238 |
| i (deg) |
53.940235 |
| Ω (om, deg) |
77.516468 |
| ω (w, deg) |
62.030036 |
| M (ma, deg) |
0.010408 |
밝기
산란 + 전체 선형
$$
M_a = (0.970 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
0.970 |
| n |
6.000 |
| gf |
0.997 |
| gb |
-1.000 |
| 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) |
| 2026-07-29 00:00 |
18:04:52.30 |
-42:16:36.8 |
HIP 88517 |
4.83 |
| 2026-07-29 12:00 |
18:04:49.99 |
-42:16:32.5 |
HIP 88517 |
4.47 |
| 2026-07-30 00:00 |
18:04:47.71 |
-42:16:28.2 |
HIP 88517 |
4.12 |
| 2026-07-30 12:00 |
18:04:45.43 |
-42:16:23.8 |
HIP 88517 |
3.80 |
| 2026-07-31 00:00 |
18:04:43.18 |
-42:16:19.3 |
HIP 88517 |
3.49 |
| 2026-07-31 12:00 |
18:04:40.93 |
-42:16:14.7 |
HIP 88517 |
3.22 |
| 2026-08-01 00:00 |
18:04:38.71 |
-42:16:10.1 |
HIP 88517 |
2.97 |
| 2026-08-01 12:00 |
18:04:36.50 |
-42:16:05.4 |
HIP 88517 |
2.77 |
| 2026-08-02 00:00 |
18:04:34.30 |
-42:16:00.6 |
HIP 88517 |
2.62 |
| 2026-08-02 12:00 |
18:04:32.12 |
-42:15:55.7 |
HIP 88517 |
2.53 |
| 2026-08-03 00:00 |
18:04:29.96 |
-42:15:50.8 |
HIP 88517 |
2.50 |
| 2026-08-03 12:00 |
18:04:27.82 |
-42:15:45.8 |
HIP 88517 |
2.54 |
| 2026-08-04 00:00 |
18:04:25.69 |
-42:15:40.7 |
HIP 88517 |
2.63 |
| 2026-08-04 12:00 |
18:04:23.57 |
-42:15:35.6 |
HIP 88517 |
2.78 |
| 2026-08-05 00:00 |
18:04:21.48 |
-42:15:30.4 |
HIP 88517 |
2.97 |
| 2026-08-05 12:00 |
18:04:19.40 |
-42:15:25.1 |
HIP 88517 |
3.20 |
| 2026-08-06 00:00 |
18:04:17.34 |
-42:15:19.7 |
HIP 88517 |
3.45 |
| 2026-08-06 12:00 |
18:04:15.29 |
-42:15:14.3 |
HIP 88517 |
3.73 |
| 2026-08-07 00:00 |
18:04:13.27 |
-42:15:08.8 |
HIP 88517 |
4.02 |
| 2026-08-07 12:00 |
18:04:11.26 |
-42:15:03.2 |
HIP 88517 |
4.32 |
| 2026-08-08 00:00 |
18:04:09.27 |
-42:14:57.6 |
HIP 88517 |
4.63 |
| 2026-08-08 12:00 |
18:04:07.30 |
-42:14:51.9 |
HIP 88517 |
4.94 |
| 2026-08-09 00:00 |
18:04:05.34 |
-42:14:46.1 |
HIP 88517 |
5.26 |
| 2026-08-09 12:00 |
18:04:03.41 |
-42:14:40.3 |
HIP 88517 |
5.59 |
| 2026-08-10 00:00 |
18:04:01.49 |
-42:14:34.4 |
HIP 88517 |
5.91 |
| 2026-08-10 12:00 |
18:03:59.59 |
-42:14:28.5 |
HIP 88517 |
6.24 |
| 2026-08-11 00:00 |
18:03:57.71 |
-42:14:22.4 |
HIP 88517 |
6.57 |
| 2026-08-11 12:00 |
18:03:55.85 |
-42:14:16.4 |
HIP 88517 |
6.90 |
| 2026-08-12 00:00 |
18:03:54.01 |
-42:14:10.2 |
HIP 88517 |
7.22 |
| 2026-08-12 12:00 |
18:03:52.19 |
-42:14:04.0 |
HIP 88517 |
7.55 |
| 2026-08-13 00:00 |
18:03:50.39 |
-42:13:57.7 |
HIP 88517 |
7.87 |
| 2026-08-13 12:00 |
18:03:48.60 |
-42:13:51.4 |
HIP 88517 |
8.20 |
| 2026-08-14 00:00 |
18:03:46.84 |
-42:13:45.0 |
HIP 88517 |
8.52 |
| 2026-08-14 12:00 |
18:03:45.10 |
-42:13:38.6 |
HIP 88517 |
8.84 |
| 2026-08-15 00:00 |
18:03:43.37 |
-42:13:32.1 |
HIP 88517 |
9.15 |
| 2026-08-15 12:00 |
18:03:41.67 |
-42:13:25.5 |
HIP 88517 |
9.47 |
| 2026-08-16 00:00 |
18:03:39.99 |
-42:13:18.9 |
HIP 88517 |
9.78 |
| 2026-08-16 12:00 |
18:03:38.33 |
-42:13:12.2 |
HIP 88517 |
10.09 |
| 2026-08-17 00:00 |
18:03:36.69 |
-42:13:05.5 |
HIP 88517 |
10.40 |
| 2026-08-17 12:00 |
18:03:35.07 |
-42:12:58.7 |
HIP 88382 |
10.59 |
| 2026-08-18 00:00 |
18:03:33.47 |
-42:12:51.8 |
HIP 88382 |
10.30 |
| 2026-08-18 12:00 |
18:03:31.89 |
-42:12:44.9 |
HIP 88382 |
10.00 |
| 2026-08-19 00:00 |
18:03:30.33 |
-42:12:38.0 |
HIP 88382 |
9.72 |