메타데이터
| 항목 |
값 |
| Designation |
C/1997 J1 (Mueller) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1997-05-03T19:16:39.167040Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:29:50Z |
| Obs used |
497 |
| NEO |
- |
| M1 |
8.300 |
| K1 |
9.500 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
1997-08-08.0000000 |
| e |
0.99099113 |
| q (au) |
2.302131 |
| a (au) |
255.540410 |
| i (deg) |
122.968328 |
| Ω (om, deg) |
277.076050 |
| ω (w, deg) |
98.954561 |
| M (ma, deg) |
0.023210 |
밝기
산란 + 전체 선형
$$
M_a = (7.672 + 4.834\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
7.672 |
| n |
4.834 |
| gf |
1.000 |
| gb |
-0.500 |
| 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) |
| 2026-06-01 00:00 |
03:26:13.57 |
-37:20:31.5 |
HIP 15933 |
16.60 |
| 2026-06-01 12:00 |
03:26:16.21 |
-37:20:36.1 |
HIP 15933 |
17.03 |
| 2026-06-02 00:00 |
03:26:18.84 |
-37:20:40.9 |
HIP 15933 |
17.48 |
| 2026-06-02 12:00 |
03:26:21.46 |
-37:20:45.9 |
HIP 15933 |
17.93 |
| 2026-06-03 00:00 |
03:26:24.07 |
-37:20:51.2 |
HIP 15933 |
18.38 |
| 2026-06-03 12:00 |
03:26:26.68 |
-37:20:56.7 |
HIP 15933 |
18.84 |
| 2026-06-04 00:00 |
03:26:29.28 |
-37:21:02.5 |
HIP 15933 |
19.31 |
| 2026-06-04 12:00 |
03:26:31.88 |
-37:21:08.5 |
HIP 15933 |
19.78 |
| 2026-06-05 00:00 |
03:26:34.46 |
-37:21:14.8 |
HIP 15933 |
20.25 |
| 2026-06-05 12:00 |
03:26:37.04 |
-37:21:21.3 |
HIP 15933 |
20.73 |
| 2026-06-06 00:00 |
03:26:39.61 |
-37:21:28.0 |
HIP 16166 |
20.39 |
| 2026-06-06 12:00 |
03:26:42.17 |
-37:21:35.0 |
HIP 16166 |
19.87 |
| 2026-06-07 00:00 |
03:26:44.73 |
-37:21:42.2 |
HIP 16166 |
19.35 |
| 2026-06-07 12:00 |
03:26:47.27 |
-37:21:49.6 |
HIP 16166 |
18.83 |
| 2026-06-08 00:00 |
03:26:49.81 |
-37:21:57.3 |
HIP 16166 |
18.31 |
| 2026-06-08 12:00 |
03:26:52.34 |
-37:22:05.3 |
HIP 16166 |
17.79 |
| 2026-06-09 00:00 |
03:26:54.85 |
-37:22:13.5 |
HIP 16166 |
17.27 |
| 2026-06-09 12:00 |
03:26:57.36 |
-37:22:21.9 |
HIP 16166 |
16.75 |
| 2026-06-10 00:00 |
03:26:59.86 |
-37:22:30.5 |
HIP 16166 |
16.23 |
| 2026-06-10 12:00 |
03:27:02.35 |
-37:22:39.4 |
HIP 16166 |
15.72 |
| 2026-06-11 00:00 |
03:27:04.84 |
-37:22:48.5 |
HIP 16166 |
15.20 |
| 2026-06-11 12:00 |
03:27:07.31 |
-37:22:57.9 |
HIP 16166 |
14.69 |
| 2026-06-12 00:00 |
03:27:09.77 |
-37:23:07.5 |
HIP 16166 |
14.17 |
| 2026-06-12 12:00 |
03:27:12.22 |
-37:23:17.4 |
HIP 16166 |
13.66 |
| 2026-06-13 00:00 |
03:27:14.66 |
-37:23:27.4 |
HIP 16166 |
13.15 |
| 2026-06-13 12:00 |
03:27:17.09 |
-37:23:37.8 |
HIP 16166 |
12.64 |
| 2026-06-14 00:00 |
03:27:19.50 |
-37:23:48.3 |
HIP 16166 |
12.13 |
| 2026-06-14 12:00 |
03:27:21.91 |
-37:23:59.1 |
HIP 16166 |
11.62 |
| 2026-06-15 00:00 |
03:27:24.31 |
-37:24:10.1 |
HIP 16166 |
11.12 |
| 2026-06-15 12:00 |
03:27:26.69 |
-37:24:21.4 |
HIP 16166 |
10.61 |
| 2026-06-16 00:00 |
03:27:29.06 |
-37:24:32.8 |
HIP 16166 |
10.11 |
| 2026-06-16 12:00 |
03:27:31.43 |
-37:24:44.6 |
HIP 16166 |
9.61 |
| 2026-06-17 00:00 |
03:27:33.78 |
-37:24:56.5 |
HIP 16166 |
9.11 |
| 2026-06-17 12:00 |
03:27:36.11 |
-37:25:08.7 |
HIP 16166 |
8.61 |
| 2026-06-18 00:00 |
03:27:38.44 |
-37:25:21.1 |
HIP 16166 |
8.12 |
| 2026-06-18 12:00 |
03:27:40.75 |
-37:25:33.7 |
HIP 16166 |
7.63 |
| 2026-06-19 00:00 |
03:27:43.05 |
-37:25:46.6 |
HIP 16166 |
7.15 |
| 2026-06-19 12:00 |
03:27:45.33 |
-37:25:59.7 |
HIP 16166 |
6.67 |
| 2026-06-20 00:00 |
03:27:47.61 |
-37:26:13.0 |
HIP 16166 |
6.19 |
| 2026-06-20 12:00 |
03:27:49.87 |
-37:26:26.5 |
HIP 16166 |
5.73 |
| 2026-06-21 00:00 |
03:27:52.12 |
-37:26:40.3 |
HIP 16166 |
5.27 |
| 2026-06-21 12:00 |
03:27:54.35 |
-37:26:54.3 |
HIP 16166 |
4.83 |
| 2026-06-22 00:00 |
03:27:56.57 |
-37:27:08.5 |
HIP 16166 |
4.39 |