메타데이터
| 항목 |
값 |
| Designation |
331P/Gibbs |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2015-06-16T04:23:51.780480Z |
| Orbit solution date (soln_date, UTC) |
2025-12-18T15:12:38Z |
| Obs used |
200 |
| NEO |
- |
| M1 |
16.800 |
| K1 |
4.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2014-11-18.0000000 |
| e |
0.04135913 |
| q (au) |
2.880287 |
| a (au) |
3.004552 |
| i (deg) |
9.738157 |
| Ω (om, deg) |
216.839271 |
| ω (w, deg) |
178.117553 |
| M (ma, deg) |
320.222954 |
밝기
산란 + 전체 선형
$$
M_a = (11.205 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
11.205 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.998 |
| 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
찾아보기
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-03-26 00:00 |
03:03:13.59 |
+13:52:15.7 |
HIP 14329 |
23.72 |
| 2026-03-26 12:00 |
03:03:57.43 |
+13:54:47.7 |
HIP 14329 |
14.45 |
| 2026-03-27 00:00 |
03:04:41.34 |
+13:57:19.5 |
HIP 14329 |
9.69 |
| 2026-03-27 12:00 |
03:05:25.34 |
+13:59:50.9 |
HIP 14329 |
14.80 |
| 2026-03-28 00:00 |
03:06:09.42 |
+14:02:22.0 |
HIP 14404 |
14.67 |
| 2026-03-28 12:00 |
03:06:53.59 |
+14:04:52.8 |
HIP 14404 |
19.49 |
| 2026-03-29 00:00 |
03:07:37.83 |
+14:07:23.3 |
HIP 14404 |
28.06 |
| 2026-03-29 12:00 |
03:08:22.16 |
+14:09:53.4 |
HIP 14694 |
32.08 |
| 2026-03-30 00:00 |
03:09:06.56 |
+14:12:23.1 |
HIP 14694 |
28.41 |
| 2026-03-30 12:00 |
03:09:51.04 |
+14:14:52.5 |
HIP 14694 |
28.81 |
| 2026-03-31 00:00 |
03:10:35.61 |
+14:17:21.5 |
HIP 14897 |
28.41 |
| 2026-03-31 12:00 |
03:11:20.25 |
+14:19:50.1 |
HIP 14897 |
21.96 |
| 2026-04-01 00:00 |
03:12:04.97 |
+14:22:18.3 |
HIP 14897 |
20.09 |
| 2026-04-01 12:00 |
03:12:49.76 |
+14:24:46.2 |
HIP 14897 |
23.91 |
| 2026-04-02 00:00 |
03:13:34.64 |
+14:27:13.6 |
HIP 15153 |
26.78 |
| 2026-04-02 12:00 |
03:14:19.59 |
+14:29:40.7 |
HIP 15153 |
18.36 |
| 2026-04-03 00:00 |
03:15:04.61 |
+14:32:07.3 |
HIP 15153 |
14.34 |
| 2026-04-03 12:00 |
03:15:49.71 |
+14:34:33.4 |
HIP 15153 |
18.01 |
| 2026-04-04 00:00 |
03:16:34.88 |
+14:36:59.2 |
HIP 15153 |
26.33 |
| 2026-04-04 12:00 |
03:17:20.13 |
+14:39:24.5 |
HIP 15137 |
35.00 |
| 2026-04-05 00:00 |
03:18:05.46 |
+14:41:49.4 |
HIP 15394 |
29.33 |
| 2026-04-05 12:00 |
03:18:50.85 |
+14:44:13.8 |
HIP 15536 |
19.60 |
| 2026-04-06 00:00 |
03:19:36.32 |
+14:46:37.7 |
HIP 15536 |
8.45 |
| 2026-04-06 12:00 |
03:20:21.86 |
+14:49:01.2 |
HIP 15536 |
3.44 |
| 2026-04-07 00:00 |
03:21:07.48 |
+14:51:24.2 |
HIP 15536 |
14.37 |
| 2026-04-07 12:00 |
03:21:53.16 |
+14:53:46.7 |
HIP 15536 |
25.61 |
| 2026-04-08 00:00 |
03:22:38.92 |
+14:56:08.7 |
HIP 15894 |
30.45 |
| 2026-04-08 12:00 |
03:23:24.75 |
+14:58:30.2 |
HIP 15894 |
19.29 |
| 2026-04-09 00:00 |
03:24:10.64 |
+15:00:51.2 |
HIP 15894 |
8.56 |
| 2026-04-09 12:00 |
03:24:56.61 |
+15:03:11.7 |
HIP 15894 |
5.57 |
| 2026-04-10 00:00 |
03:25:42.64 |
+15:05:31.7 |
HIP 15894 |
15.70 |
| 2026-04-10 12:00 |
03:26:28.75 |
+15:07:51.1 |
HIP 15894 |
26.84 |
| 2026-04-11 00:00 |
03:27:14.92 |
+15:10:10.0 |
HIP 16221 |
27.06 |
| 2026-04-11 12:00 |
03:28:01.16 |
+15:12:28.4 |
HIP 16221 |
18.76 |
| 2026-04-12 00:00 |
03:28:47.47 |
+15:14:46.2 |
HIP 16246 |
8.41 |
| 2026-04-12 12:00 |
03:29:33.84 |
+15:17:03.4 |
HIP 16246 |
4.19 |
| 2026-04-13 00:00 |
03:30:20.29 |
+15:19:20.1 |
HIP 16246 |
15.01 |
| 2026-04-13 12:00 |
03:31:06.79 |
+15:21:36.2 |
HIP 16393 |
22.56 |
| 2026-04-14 00:00 |
03:31:53.36 |
+15:23:51.7 |
HIP 16532 |
17.15 |
| 2026-04-14 12:00 |
03:32:40.00 |
+15:26:06.6 |
HIP 16532 |
7.61 |
| 2026-04-15 00:00 |
03:33:26.70 |
+15:28:20.9 |
HIP 16568 |
4.21 |
| 2026-04-15 12:00 |
03:34:13.46 |
+15:30:34.6 |
HIP 16627 |
8.09 |
| 2026-04-16 00:00 |
03:35:00.29 |
+15:32:47.7 |
HIP 16627 |
16.12 |