메타데이터
| 항목 |
값 |
| Designation |
P/2012 K3 (Gibbs) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2012-09-30T07:57:06.281280Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:32:08Z |
| Obs used |
140 |
| NEO |
- |
| M1 |
7.400 |
| K1 |
29.500 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2012-06-16.0000000 |
| e |
0.42596008 |
| q (au) |
2.076862 |
| a (au) |
3.617975 |
| i (deg) |
13.201167 |
| Ω (om, deg) |
125.881316 |
| ω (w, deg) |
172.300572 |
| M (ma, deg) |
344.771159 |
밝기
산란 + 전체 선형
$$
M_a = (11.654 + 5.892\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
11.654 |
| n |
5.892 |
| gf |
0.993 |
| gb |
-0.501 |
| k |
1.000 |
| δ90 |
9.999 |
| 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 |
20:17:24.26 |
-10:51:44.3 |
HIP 99971 |
10.01 |
| 2026-06-01 12:00 |
20:17:41.31 |
-10:52:47.4 |
HIP 99971 |
12.74 |
| 2026-06-02 00:00 |
20:17:57.98 |
-10:53:53.4 |
HIP 99971 |
16.07 |
| 2026-06-02 12:00 |
20:18:14.27 |
-10:55:02.4 |
HIP 100168 |
14.30 |
| 2026-06-03 00:00 |
20:18:30.17 |
-10:56:14.5 |
HIP 100168 |
11.86 |
| 2026-06-03 12:00 |
20:18:45.70 |
-10:57:29.7 |
HIP 100168 |
10.60 |
| 2026-06-04 00:00 |
20:19:00.84 |
-10:58:47.9 |
HIP 100168 |
10.84 |
| 2026-06-04 12:00 |
20:19:15.59 |
-11:00:09.3 |
HIP 100168 |
12.43 |
| 2026-06-05 00:00 |
20:19:29.95 |
-11:01:33.8 |
HIP 100168 |
14.89 |
| 2026-06-05 12:00 |
20:19:43.92 |
-11:03:01.6 |
HIP 100168 |
17.81 |
| 2026-06-06 00:00 |
20:19:57.50 |
-11:04:32.5 |
HIP 100347 |
16.58 |
| 2026-06-06 12:00 |
20:20:10.69 |
-11:06:06.7 |
HIP 100347 |
14.29 |
| 2026-06-07 00:00 |
20:20:23.48 |
-11:07:44.2 |
HIP 100347 |
12.74 |
| 2026-06-07 12:00 |
20:20:35.87 |
-11:09:24.9 |
HIP 100347 |
12.15 |
| 2026-06-08 00:00 |
20:20:47.86 |
-11:11:09.0 |
HIP 100347 |
12.61 |
| 2026-06-08 12:00 |
20:20:59.45 |
-11:12:56.5 |
HIP 100347 |
13.98 |
| 2026-06-09 00:00 |
20:21:10.64 |
-11:14:47.3 |
HIP 100347 |
15.99 |
| 2026-06-09 12:00 |
20:21:21.43 |
-11:16:41.5 |
HIP 100347 |
18.41 |
| 2026-06-10 00:00 |
20:21:31.81 |
-11:18:39.1 |
HIP 100347 |
21.08 |
| 2026-06-10 12:00 |
20:21:41.79 |
-11:20:40.2 |
HIP 100347 |
23.89 |
| 2026-06-11 00:00 |
20:21:51.36 |
-11:22:44.8 |
HIP 100347 |
26.78 |
| 2026-06-11 12:00 |
20:22:00.52 |
-11:24:52.9 |
HIP 100347 |
29.73 |
| 2026-06-12 00:00 |
20:22:09.27 |
-11:27:04.5 |
HIP 100347 |
32.70 |
| 2026-06-12 12:00 |
20:22:17.62 |
-11:29:19.6 |
HIP 100347 |
35.69 |
| 2026-06-13 00:00 |
20:22:25.55 |
-11:31:38.3 |
HIP 100347 |
38.68 |
| 2026-06-13 12:00 |
20:22:33.07 |
-11:34:00.5 |
HIP 100716 |
38.84 |
| 2026-06-14 00:00 |
20:22:40.18 |
-11:36:26.3 |
HIP 100716 |
36.67 |
| 2026-06-14 12:00 |
20:22:46.88 |
-11:38:55.8 |
HIP 100716 |
34.72 |
| 2026-06-15 00:00 |
20:22:53.18 |
-11:41:28.8 |
HIP 100716 |
33.03 |
| 2026-06-15 12:00 |
20:22:59.06 |
-11:44:05.5 |
HIP 100716 |
31.63 |
| 2026-06-16 00:00 |
20:23:04.53 |
-11:46:45.9 |
HIP 100716 |
30.57 |
| 2026-06-16 12:00 |
20:23:09.59 |
-11:49:29.8 |
HIP 100716 |
29.88 |
| 2026-06-17 00:00 |
20:23:14.25 |
-11:52:17.5 |
HIP 100716 |
29.60 |
| 2026-06-17 12:00 |
20:23:18.49 |
-11:55:08.7 |
HIP 100483 |
29.67 |
| 2026-06-18 00:00 |
20:23:22.34 |
-11:58:03.7 |
HIP 100483 |
27.34 |
| 2026-06-18 12:00 |
20:23:25.77 |
-12:01:02.3 |
HIP 100483 |
25.07 |
| 2026-06-19 00:00 |
20:23:28.81 |
-12:04:04.6 |
HIP 100483 |
22.88 |
| 2026-06-19 12:00 |
20:23:31.44 |
-12:07:10.5 |
HIP 100483 |
20.81 |
| 2026-06-20 00:00 |
20:23:33.67 |
-12:10:20.2 |
HIP 100483 |
18.94 |
| 2026-06-20 12:00 |
20:23:35.50 |
-12:13:33.4 |
HIP 100483 |
17.35 |
| 2026-06-21 00:00 |
20:23:36.93 |
-12:16:50.4 |
HIP 100483 |
16.14 |
| 2026-06-21 12:00 |
20:23:37.97 |
-12:20:11.0 |
HIP 100483 |
15.45 |
| 2026-06-22 00:00 |
20:23:38.61 |
-12:23:35.2 |
HIP 100483 |
15.38 |