메타데이터
| 항목 |
값 |
| Designation |
P/2011 C2 (Gibbs) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2012-01-07T21:49:24.366720Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:48Z |
| Obs used |
184 |
| NEO |
- |
| M1 |
7.100 |
| K1 |
12.750 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2011-10-11.0000000 |
| e |
0.26847186 |
| q (au) |
5.388548 |
| a (au) |
7.366152 |
| i (deg) |
10.910944 |
| Ω (om, deg) |
12.201981 |
| ω (w, deg) |
160.563612 |
| M (ma, deg) |
355.616810 |
밝기
산란 + 전체 선형
$$
M_a = (8.134 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
8.134 |
| n |
6.000 |
| gf |
0.999 |
| gb |
-0.705 |
| k |
0.800 |
| δ90 |
9.995 |
| 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) |
| 2026-03-26 00:00 |
02:11:26.63 |
+18:16:38.8 |
HIP 10295 |
22.39 |
| 2026-03-26 12:00 |
02:11:41.26 |
+18:17:54.6 |
HIP 10295 |
20.98 |
| 2026-03-27 00:00 |
02:11:55.92 |
+18:19:10.7 |
HIP 10295 |
20.16 |
| 2026-03-27 12:00 |
02:12:10.63 |
+18:20:27.0 |
HIP 10295 |
20.01 |
| 2026-03-28 00:00 |
02:12:25.39 |
+18:21:43.6 |
HIP 10295 |
20.54 |
| 2026-03-28 12:00 |
02:12:40.19 |
+18:23:00.4 |
HIP 10295 |
21.71 |
| 2026-03-29 00:00 |
02:12:55.04 |
+18:24:17.5 |
HIP 10295 |
23.44 |
| 2026-03-29 12:00 |
02:13:09.92 |
+18:25:34.8 |
HIP 10295 |
25.61 |
| 2026-03-30 00:00 |
02:13:24.85 |
+18:26:52.4 |
HIP 10295 |
28.13 |
| 2026-03-30 12:00 |
02:13:39.82 |
+18:28:10.2 |
HIP 10295 |
30.91 |
| 2026-03-31 00:00 |
02:13:54.83 |
+18:29:28.3 |
HIP 10496 |
29.14 |
| 2026-03-31 12:00 |
02:14:09.88 |
+18:30:46.6 |
HIP 10496 |
25.78 |
| 2026-04-01 00:00 |
02:14:24.98 |
+18:32:05.1 |
HIP 10496 |
22.56 |
| 2026-04-01 12:00 |
02:14:40.11 |
+18:33:23.9 |
HIP 10496 |
19.53 |
| 2026-04-02 00:00 |
02:14:55.28 |
+18:34:42.9 |
HIP 10496 |
16.83 |
| 2026-04-02 12:00 |
02:15:10.49 |
+18:36:02.1 |
HIP 10496 |
14.62 |
| 2026-04-03 00:00 |
02:15:25.73 |
+18:37:21.5 |
HIP 10496 |
13.19 |
| 2026-04-03 12:00 |
02:15:41.02 |
+18:38:41.2 |
HIP 10496 |
12.79 |
| 2026-04-04 00:00 |
02:15:56.34 |
+18:40:01.1 |
HIP 10496 |
13.53 |
| 2026-04-04 12:00 |
02:16:11.70 |
+18:41:21.2 |
HIP 10496 |
15.25 |
| 2026-04-05 00:00 |
02:16:27.09 |
+18:42:41.5 |
HIP 10496 |
17.67 |
| 2026-04-05 12:00 |
02:16:42.52 |
+18:44:02.0 |
HIP 10496 |
20.55 |
| 2026-04-06 00:00 |
02:16:57.98 |
+18:45:22.7 |
HIP 10701 |
21.29 |
| 2026-04-06 12:00 |
02:17:13.48 |
+18:46:43.6 |
HIP 10701 |
20.85 |
| 2026-04-07 00:00 |
02:17:29.01 |
+18:48:04.8 |
HIP 10701 |
21.14 |
| 2026-04-07 12:00 |
02:17:44.58 |
+18:49:26.1 |
HIP 10701 |
22.14 |
| 2026-04-08 00:00 |
02:18:00.18 |
+18:50:47.6 |
HIP 10701 |
23.76 |
| 2026-04-08 12:00 |
02:18:15.81 |
+18:52:09.3 |
HIP 10701 |
25.88 |
| 2026-04-09 00:00 |
02:18:31.47 |
+18:53:31.2 |
HIP 10701 |
28.40 |
| 2026-04-09 12:00 |
02:18:47.16 |
+18:54:53.2 |
HIP 10701 |
31.23 |
| 2026-04-10 00:00 |
02:19:02.88 |
+18:56:15.5 |
HIP 10701 |
34.29 |
| 2026-04-10 12:00 |
02:19:18.64 |
+18:57:37.9 |
HIP 10955 |
34.14 |
| 2026-04-11 00:00 |
02:19:34.42 |
+18:59:00.5 |
HIP 10955 |
32.43 |
| 2026-04-11 12:00 |
02:19:50.23 |
+19:00:23.3 |
HIP 10955 |
31.14 |
| 2026-04-12 00:00 |
02:20:06.07 |
+19:01:46.2 |
HIP 10955 |
30.33 |
| 2026-04-12 12:00 |
02:20:21.94 |
+19:03:09.3 |
HIP 10955 |
30.03 |
| 2026-04-13 00:00 |
02:20:37.84 |
+19:04:32.6 |
HIP 11081 |
29.11 |
| 2026-04-13 12:00 |
02:20:53.76 |
+19:05:56.0 |
HIP 11081 |
25.42 |
| 2026-04-14 00:00 |
02:21:09.71 |
+19:07:19.6 |
HIP 11081 |
21.84 |
| 2026-04-14 12:00 |
02:21:25.68 |
+19:08:43.4 |
HIP 11081 |
18.44 |
| 2026-04-15 00:00 |
02:21:41.68 |
+19:10:07.3 |
HIP 11081 |
15.35 |
| 2026-04-15 12:00 |
02:21:57.70 |
+19:11:31.3 |
HIP 11081 |
12.78 |
| 2026-04-16 00:00 |
02:22:13.75 |
+19:12:55.5 |
HIP 11081 |
11.11 |