메타데이터
| 항목 |
값 |
| Designation |
C/2006 U7 (Gibbs) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2007-03-28T01:18:43.738560Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:01Z |
| Obs used |
59 |
| NEO |
- |
| M1 |
11.600 |
| K1 |
10.000 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2006-11-14.0000000 |
| e |
0.63067072 |
| q (au) |
4.425542 |
| a (au) |
11.982647 |
| i (deg) |
7.230080 |
| Ω (om, deg) |
57.761042 |
| ω (w, deg) |
12.898865 |
| M (ma, deg) |
356.814652 |
밝기
산란 + 전체 선형
$$
M_a = (8.405 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
8.405 |
| n |
6.000 |
| gf |
0.969 |
| gb |
-0.928 |
| k |
1.000 |
| δ90 |
1.079 |
| 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) |
| 2026-09-20 00:00 |
16:08:59.34 |
-22:12:32.5 |
HIP 79146 |
16.48 |
| 2026-09-20 12:00 |
16:09:02.68 |
-22:12:41.1 |
HIP 79146 |
16.47 |
| 2026-09-21 00:00 |
16:09:06.06 |
-22:12:49.7 |
HIP 79146 |
16.50 |
| 2026-09-21 12:00 |
16:09:09.50 |
-22:12:58.5 |
HIP 79146 |
16.56 |
| 2026-09-22 00:00 |
16:09:12.97 |
-22:13:07.5 |
HIP 79244 |
15.93 |
| 2026-09-22 12:00 |
16:09:16.50 |
-22:13:16.5 |
HIP 79244 |
15.18 |
| 2026-09-23 00:00 |
16:09:20.06 |
-22:13:25.7 |
HIP 79244 |
14.42 |
| 2026-09-23 12:00 |
16:09:23.68 |
-22:13:35.0 |
HIP 79244 |
13.66 |
| 2026-09-24 00:00 |
16:09:27.34 |
-22:13:44.4 |
HIP 79244 |
12.91 |
| 2026-09-24 12:00 |
16:09:31.04 |
-22:13:53.9 |
HIP 79244 |
12.16 |
| 2026-09-25 00:00 |
16:09:34.79 |
-22:14:03.5 |
HIP 79244 |
11.43 |
| 2026-09-25 12:00 |
16:09:38.58 |
-22:14:13.3 |
HIP 79244 |
10.70 |
| 2026-09-26 00:00 |
16:09:42.42 |
-22:14:23.2 |
HIP 79244 |
10.00 |
| 2026-09-26 12:00 |
16:09:46.30 |
-22:14:33.2 |
HIP 79244 |
9.32 |
| 2026-09-27 00:00 |
16:09:50.23 |
-22:14:43.3 |
HIP 79244 |
8.68 |
| 2026-09-27 12:00 |
16:09:54.20 |
-22:14:53.5 |
HIP 79244 |
8.08 |
| 2026-09-28 00:00 |
16:09:58.21 |
-22:15:03.8 |
HIP 79252 |
7.21 |
| 2026-09-28 12:00 |
16:10:02.26 |
-22:15:14.3 |
HIP 79252 |
6.33 |
| 2026-09-29 00:00 |
16:10:06.36 |
-22:15:24.9 |
HIP 79252 |
5.46 |
| 2026-09-29 12:00 |
16:10:10.50 |
-22:15:35.5 |
HIP 79252 |
4.62 |
| 2026-09-30 00:00 |
16:10:14.69 |
-22:15:46.3 |
HIP 79252 |
3.84 |
| 2026-09-30 12:00 |
16:10:18.91 |
-22:15:57.2 |
HIP 79252 |
3.16 |
| 2026-10-01 00:00 |
16:10:23.18 |
-22:16:08.2 |
HIP 79252 |
2.69 |
| 2026-10-01 12:00 |
16:10:27.49 |
-22:16:19.4 |
HIP 79252 |
2.55 |
| 2026-10-02 00:00 |
16:10:31.84 |
-22:16:30.6 |
HIP 79252 |
2.80 |
| 2026-10-02 12:00 |
16:10:36.24 |
-22:16:41.9 |
HIP 79252 |
3.37 |
| 2026-10-03 00:00 |
16:10:40.67 |
-22:16:53.4 |
HIP 79252 |
4.13 |
| 2026-10-03 12:00 |
16:10:45.15 |
-22:17:04.9 |
HIP 79252 |
5.00 |
| 2026-10-04 00:00 |
16:10:49.66 |
-22:17:16.6 |
HIP 79252 |
5.94 |
| 2026-10-04 12:00 |
16:10:54.22 |
-22:17:28.4 |
HIP 79252 |
6.92 |
| 2026-10-05 00:00 |
16:10:58.82 |
-22:17:40.2 |
HIP 79252 |
7.94 |
| 2026-10-05 12:00 |
16:11:03.46 |
-22:17:52.2 |
HIP 79252 |
8.98 |
| 2026-10-06 00:00 |
16:11:08.13 |
-22:18:04.3 |
HIP 79252 |
10.04 |
| 2026-10-06 12:00 |
16:11:12.85 |
-22:18:16.5 |
HIP 79252 |
11.11 |
| 2026-10-07 00:00 |
16:11:17.61 |
-22:18:28.8 |
HIP 79252 |
12.21 |
| 2026-10-07 12:00 |
16:11:22.40 |
-22:18:41.1 |
HIP 79252 |
13.31 |
| 2026-10-08 00:00 |
16:11:27.24 |
-22:18:53.6 |
HIP 79252 |
14.43 |
| 2026-10-08 12:00 |
16:11:32.11 |
-22:19:06.2 |
HIP 79366 |
14.40 |
| 2026-10-09 00:00 |
16:11:37.02 |
-22:19:18.9 |
HIP 79366 |
13.86 |
| 2026-10-09 12:00 |
16:11:41.97 |
-22:19:31.7 |
HIP 79366 |
13.40 |
| 2026-10-10 00:00 |
16:11:46.96 |
-22:19:44.5 |
HIP 79366 |
13.02 |
| 2026-10-10 12:00 |
16:11:51.98 |
-22:19:57.5 |
HIP 79366 |
12.74 |
| 2026-10-11 00:00 |
16:11:57.04 |
-22:20:10.6 |
HIP 79366 |
12.56 |