406P/Gibbs
메타데이터
| 항목 |
값 |
| Designation |
406P/Gibbs |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2007-08-26T19:45:19.710720Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:28:45Z |
| Obs used |
193 |
| NEO |
- |
| M1 |
16.700 |
| K1 |
17.750 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2009-05-14.0000000 |
| e |
0.57404352 |
| q (au) |
1.465341 |
| a (au) |
3.440120 |
| i (deg) |
1.433950 |
| Ω (om, deg) |
8.807182 |
| ω (w, deg) |
353.070367 |
| M (ma, deg) |
96.725441 |
밝기
산란 + 전체 선형
$$
M_a = (20.000 + 3.458\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
20.000 |
| n |
3.458 |
| gf |
1.000 |
| gb |
-0.970 |
| 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) |
| 2026-02-03 00:00 |
16:05:18.10 |
-21:33:22.0 |
HIP 78872 |
14.52 |
| 2026-02-03 12:00 |
16:05:41.02 |
-21:34:31.3 |
HIP 78872 |
10.52 |
| 2026-02-04 00:00 |
16:06:03.82 |
-21:35:40.2 |
HIP 78872 |
8.35 |
| 2026-02-04 12:00 |
16:06:26.48 |
-21:36:48.5 |
HIP 78872 |
9.35 |
| 2026-02-05 00:00 |
16:06:49.00 |
-21:37:56.2 |
HIP 78872 |
12.75 |
| 2026-02-05 12:00 |
16:07:11.39 |
-21:39:03.5 |
HIP 78937 |
13.59 |
| 2026-02-06 00:00 |
16:07:33.63 |
-21:40:10.2 |
HIP 78937 |
15.23 |
| 2026-02-06 12:00 |
16:07:55.74 |
-21:41:16.5 |
HIP 79020 |
16.75 |
| 2026-02-07 00:00 |
16:08:17.71 |
-21:42:22.1 |
HIP 79020 |
19.25 |
| 2026-02-07 12:00 |
16:08:39.54 |
-21:43:27.3 |
HIP 79146 |
15.39 |
| 2026-02-08 00:00 |
16:09:01.22 |
-21:44:31.9 |
HIP 79146 |
12.35 |
| 2026-02-08 12:00 |
16:09:22.75 |
-21:45:36.1 |
HIP 79146 |
11.01 |
| 2026-02-09 00:00 |
16:09:44.14 |
-21:46:39.7 |
HIP 79146 |
11.91 |
| 2026-02-09 12:00 |
16:10:05.38 |
-21:47:42.7 |
HIP 79146 |
14.61 |
| 2026-02-10 00:00 |
16:10:26.46 |
-21:48:45.3 |
HIP 79146 |
18.29 |
| 2026-02-10 12:00 |
16:10:47.40 |
-21:49:47.3 |
HIP 79335 |
17.52 |
| 2026-02-11 00:00 |
16:11:08.18 |
-21:50:48.7 |
HIP 79335 |
16.35 |
| 2026-02-11 12:00 |
16:11:28.81 |
-21:51:49.7 |
HIP 79335 |
16.60 |
| 2026-02-12 00:00 |
16:11:49.28 |
-21:52:50.1 |
HIP 79335 |
18.20 |
| 2026-02-12 12:00 |
16:12:09.59 |
-21:53:50.0 |
HIP 79335 |
20.82 |
| 2026-02-13 00:00 |
16:12:29.74 |
-21:54:49.4 |
HIP 79335 |
24.09 |
| 2026-02-13 12:00 |
16:12:49.73 |
-21:55:48.2 |
HIP 79335 |
27.77 |
| 2026-02-14 00:00 |
16:13:09.55 |
-21:56:46.6 |
HIP 79644 |
29.88 |
| 2026-02-14 12:00 |
16:13:29.21 |
-21:57:44.3 |
HIP 79644 |
25.28 |
| 2026-02-15 00:00 |
16:13:48.70 |
-21:58:41.6 |
HIP 79644 |
20.75 |
| 2026-02-15 12:00 |
16:14:08.02 |
-21:59:38.3 |
HIP 79644 |
16.31 |
| 2026-02-16 00:00 |
16:14:27.18 |
-22:00:34.5 |
HIP 79644 |
12.00 |
| 2026-02-16 12:00 |
16:14:46.16 |
-22:01:30.2 |
HIP 79644 |
7.98 |
| 2026-02-17 00:00 |
16:15:04.97 |
-22:02:25.3 |
HIP 79644 |
4.91 |
| 2026-02-17 12:00 |
16:15:23.60 |
-22:03:19.9 |
HIP 79644 |
4.89 |
| 2026-02-18 00:00 |
16:15:42.05 |
-22:04:14.0 |
HIP 79644 |
7.88 |
| 2026-02-18 12:00 |
16:16:00.33 |
-22:05:07.5 |
HIP 79644 |
11.73 |
| 2026-02-19 00:00 |
16:16:18.43 |
-22:06:00.5 |
HIP 79644 |
15.79 |
| 2026-02-19 12:00 |
16:16:36.34 |
-22:06:53.0 |
HIP 79644 |
19.89 |
| 2026-02-20 00:00 |
16:16:54.08 |
-22:07:45.0 |
HIP 79839 |
18.42 |
| 2026-02-20 12:00 |
16:17:11.62 |
-22:08:36.4 |
HIP 79839 |
16.74 |
| 2026-02-21 00:00 |
16:17:28.99 |
-22:09:27.3 |
HIP 79839 |
15.99 |
| 2026-02-21 12:00 |
16:17:46.16 |
-22:10:17.7 |
HIP 79839 |
16.27 |
| 2026-02-22 00:00 |
16:18:03.14 |
-22:11:07.5 |
HIP 79839 |
17.51 |
| 2026-02-22 12:00 |
16:18:19.94 |
-22:11:56.9 |
HIP 79839 |
19.48 |
| 2026-02-23 00:00 |
16:18:36.54 |
-22:12:45.7 |
HIP 79839 |
21.97 |
| 2026-02-23 12:00 |
16:18:52.95 |
-22:13:33.9 |
HIP 79839 |
24.80 |
| 2026-02-24 00:00 |
16:19:09.16 |
-22:14:21.7 |
HIP 79839 |
27.85 |