메타데이터
| 항목 |
값 |
| Designation |
P/2012 K3 (Gibbs) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2012-09-30T05:01:31.762560Z |
| Orbit solution date (soln_date, UTC) |
2026-07-21T13:12:12Z |
| Obs used |
168 |
| NEO |
- |
| M1 |
17.000 |
| K1 |
4.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2014-07-07.0000000 |
| e |
0.42525681 |
| q (au) |
2.079035 |
| a (au) |
3.617328 |
| i (deg) |
13.202959 |
| Ω (om, deg) |
125.870921 |
| ω (w, deg) |
172.370779 |
| M (ma, deg) |
92.372125 |
밝기
산란 + 전체 선형
$$
M_a = (H_0 + n\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
- |
| n |
- |
| gf |
- |
| gb |
- |
| k |
- |
| δ90 |
- |
| 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
찾아보기
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-07-29 00:00 |
20:10:39.96 |
-18:47:08.2 |
HIP 99333 |
29.71 |
| 2026-07-29 12:00 |
20:10:24.49 |
-18:53:10.3 |
HIP 99391 |
29.82 |
| 2026-07-30 00:00 |
20:10:09.11 |
-18:59:11.9 |
HIP 99391 |
24.10 |
| 2026-07-30 12:00 |
20:09:53.81 |
-19:05:12.9 |
HIP 99391 |
19.28 |
| 2026-07-31 00:00 |
20:09:38.62 |
-19:11:13.1 |
HIP 99391 |
16.15 |
| 2026-07-31 12:00 |
20:09:23.54 |
-19:17:12.5 |
HIP 99391 |
15.71 |
| 2026-08-01 00:00 |
20:09:08.57 |
-19:23:11.1 |
HIP 99391 |
18.13 |
| 2026-08-01 12:00 |
20:08:53.73 |
-19:29:08.7 |
HIP 99118 |
22.48 |
| 2026-08-02 00:00 |
20:08:39.02 |
-19:35:05.3 |
HIP 99153 |
17.04 |
| 2026-08-02 12:00 |
20:08:24.46 |
-19:41:00.9 |
HIP 99153 |
10.70 |
| 2026-08-03 00:00 |
20:08:10.05 |
-19:46:55.2 |
HIP 99153 |
5.72 |
| 2026-08-03 12:00 |
20:07:55.80 |
-19:52:48.4 |
HIP 99153 |
6.60 |
| 2026-08-04 00:00 |
20:07:41.72 |
-19:58:40.2 |
HIP 99153 |
12.07 |
| 2026-08-04 12:00 |
20:07:27.82 |
-20:04:30.7 |
HIP 99039 |
14.50 |
| 2026-08-05 00:00 |
20:07:14.10 |
-20:10:19.7 |
HIP 99039 |
10.85 |
| 2026-08-05 12:00 |
20:07:00.58 |
-20:16:07.2 |
HIP 99039 |
10.69 |
| 2026-08-06 00:00 |
20:06:47.26 |
-20:21:53.1 |
HIP 99039 |
14.06 |
| 2026-08-06 12:00 |
20:06:34.15 |
-20:27:37.5 |
HIP 99039 |
19.13 |
| 2026-08-07 00:00 |
20:06:21.26 |
-20:33:20.1 |
HIP 98875 |
22.35 |
| 2026-08-07 12:00 |
20:06:08.60 |
-20:39:00.9 |
HIP 98875 |
20.56 |
| 2026-08-08 00:00 |
20:05:56.18 |
-20:44:39.9 |
HIP 99016 |
15.58 |
| 2026-08-08 12:00 |
20:05:44.00 |
-20:50:17.0 |
HIP 99016 |
11.19 |
| 2026-08-09 00:00 |
20:05:32.08 |
-20:55:52.1 |
HIP 99016 |
9.29 |
| 2026-08-09 12:00 |
20:05:20.41 |
-21:01:25.3 |
HIP 99016 |
11.12 |
| 2026-08-10 00:00 |
20:05:09.02 |
-21:06:56.3 |
HIP 98896 |
12.18 |
| 2026-08-10 12:00 |
20:04:57.90 |
-21:12:25.2 |
HIP 98896 |
6.42 |
| 2026-08-11 00:00 |
20:04:47.07 |
-21:17:51.9 |
HIP 98896 |
2.73 |
| 2026-08-11 12:00 |
20:04:36.53 |
-21:23:16.4 |
HIP 98896 |
6.68 |
| 2026-08-12 00:00 |
20:04:26.30 |
-21:28:38.6 |
HIP 98896 |
12.27 |
| 2026-08-12 12:00 |
20:04:16.37 |
-21:33:58.4 |
HIP 98896 |
17.97 |
| 2026-08-13 00:00 |
20:04:06.76 |
-21:39:15.8 |
HIP 98896 |
23.65 |
| 2026-08-13 12:00 |
20:03:57.47 |
-21:44:30.7 |
HIP 98851 |
27.77 |
| 2026-08-14 00:00 |
20:03:48.52 |
-21:49:43.1 |
HIP 98851 |
23.44 |
| 2026-08-14 12:00 |
20:03:39.90 |
-21:54:53.0 |
HIP 98851 |
19.77 |
| 2026-08-15 00:00 |
20:03:31.62 |
-22:00:00.3 |
HIP 98851 |
17.09 |
| 2026-08-15 12:00 |
20:03:23.70 |
-22:05:04.9 |
HIP 98851 |
15.86 |
| 2026-08-16 00:00 |
20:03:16.13 |
-22:10:06.8 |
HIP 98851 |
16.32 |
| 2026-08-16 12:00 |
20:03:08.92 |
-22:15:06.0 |
HIP 98851 |
18.29 |
| 2026-08-17 00:00 |
20:03:02.08 |
-22:20:02.5 |
HIP 98785 |
18.49 |
| 2026-08-17 12:00 |
20:02:55.61 |
-22:24:56.1 |
HIP 98785 |
15.60 |
| 2026-08-18 00:00 |
20:02:49.52 |
-22:29:47.0 |
HIP 98785 |
13.99 |
| 2026-08-18 12:00 |
20:02:43.81 |
-22:34:34.9 |
HIP 98785 |
14.02 |
| 2026-08-19 00:00 |
20:02:38.49 |
-22:39:20.0 |
HIP 98785 |
15.61 |