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
$$
M_a = (11.656 + 5.891\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
11.656 |
| n |
5.891 |
| gf |
1.000 |
| gb |
-0.501 |
| 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) |
| 2026-05-12 00:00 |
20:01:14.63 |
-10:44:38.9 |
HIP 98564 |
2.23 |
| 2026-05-12 12:00 |
20:01:45.23 |
-10:44:07.9 |
HIP 98564 |
7.82 |
| 2026-05-13 00:00 |
20:02:15.53 |
-10:43:38.6 |
HIP 98564 |
15.12 |
| 2026-05-13 12:00 |
20:02:45.53 |
-10:43:11.1 |
HIP 98564 |
22.44 |
| 2026-05-14 00:00 |
20:03:15.23 |
-10:42:45.3 |
HIP 98904 |
26.52 |
| 2026-05-14 12:00 |
20:03:44.61 |
-10:42:21.4 |
HIP 98904 |
19.33 |
| 2026-05-15 00:00 |
20:04:13.69 |
-10:41:59.3 |
HIP 98904 |
12.25 |
| 2026-05-15 12:00 |
20:04:42.46 |
-10:41:39.1 |
HIP 98904 |
5.43 |
| 2026-05-16 00:00 |
20:05:10.91 |
-10:41:20.8 |
HIP 98904 |
2.92 |
| 2026-05-16 12:00 |
20:05:39.04 |
-10:41:04.5 |
HIP 98904 |
9.16 |
| 2026-05-17 00:00 |
20:06:06.86 |
-10:40:50.2 |
HIP 98904 |
15.88 |
| 2026-05-17 12:00 |
20:06:34.35 |
-10:40:37.9 |
HIP 98904 |
22.59 |
| 2026-05-18 00:00 |
20:07:01.52 |
-10:40:27.6 |
HIP 98904 |
29.24 |
| 2026-05-18 12:00 |
20:07:28.37 |
-10:40:19.5 |
HIP 99218 |
26.32 |
| 2026-05-19 00:00 |
20:07:54.89 |
-10:40:13.4 |
HIP 99218 |
23.10 |
| 2026-05-19 12:00 |
20:08:21.09 |
-10:40:09.5 |
HIP 99218 |
21.48 |
| 2026-05-20 00:00 |
20:08:46.95 |
-10:40:07.9 |
HIP 99218 |
21.75 |
| 2026-05-20 12:00 |
20:09:12.48 |
-10:40:08.4 |
HIP 99218 |
23.78 |
| 2026-05-21 00:00 |
20:09:37.68 |
-10:40:11.2 |
HIP 99218 |
27.12 |
| 2026-05-21 12:00 |
20:10:02.55 |
-10:40:16.2 |
HIP 99543 |
30.34 |
| 2026-05-22 00:00 |
20:10:27.08 |
-10:40:23.6 |
HIP 99543 |
24.33 |
| 2026-05-22 12:00 |
20:10:51.27 |
-10:40:33.4 |
HIP 99543 |
18.41 |
| 2026-05-23 00:00 |
20:11:15.12 |
-10:40:45.5 |
HIP 99543 |
12.58 |
| 2026-05-23 12:00 |
20:11:38.63 |
-10:41:00.0 |
HIP 99543 |
6.90 |
| 2026-05-24 00:00 |
20:12:01.79 |
-10:41:16.9 |
HIP 99543 |
1.91 |
| 2026-05-24 12:00 |
20:12:24.61 |
-10:41:36.3 |
HIP 99543 |
4.87 |
| 2026-05-25 00:00 |
20:12:47.09 |
-10:41:58.2 |
HIP 99597 |
8.43 |
| 2026-05-25 12:00 |
20:13:09.21 |
-10:42:22.7 |
HIP 99597 |
9.99 |
| 2026-05-26 00:00 |
20:13:30.99 |
-10:42:49.7 |
HIP 99597 |
13.61 |
| 2026-05-26 12:00 |
20:13:52.41 |
-10:43:19.3 |
HIP 99790 |
17.07 |
| 2026-05-27 00:00 |
20:14:13.48 |
-10:43:51.5 |
HIP 99790 |
12.85 |
| 2026-05-27 12:00 |
20:14:34.19 |
-10:44:26.3 |
HIP 99790 |
9.64 |
| 2026-05-28 00:00 |
20:14:54.55 |
-10:45:03.9 |
HIP 99790 |
8.48 |
| 2026-05-28 12:00 |
20:15:14.54 |
-10:45:44.1 |
HIP 99790 |
10.00 |
| 2026-05-29 00:00 |
20:15:34.18 |
-10:46:27.1 |
HIP 99790 |
13.21 |
| 2026-05-29 12:00 |
20:15:53.44 |
-10:47:12.9 |
HIP 99790 |
17.12 |
| 2026-05-30 00:00 |
20:16:12.35 |
-10:48:01.4 |
HIP 99971 |
15.22 |
| 2026-05-30 12:00 |
20:16:30.88 |
-10:48:52.8 |
HIP 99971 |
11.73 |
| 2026-05-31 00:00 |
20:16:49.05 |
-10:49:47.1 |
HIP 99971 |
9.26 |
| 2026-05-31 12:00 |
20:17:06.84 |
-10:50:44.3 |
HIP 99971 |
8.60 |
| 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 |