메타데이터
| 항목 |
값 |
| Designation |
339P/Gibbs |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2009-06-25T23:39:29.223360Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:28:30Z |
| Obs used |
141 |
| NEO |
- |
| M1 |
12.300 |
| K1 |
38.250 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2010-05-23.0000000 |
| e |
0.63978977 |
| q (au) |
1.324237 |
| a (au) |
3.676289 |
| i (deg) |
5.748418 |
| Ω (om, deg) |
172.775845 |
| ω (w, deg) |
27.162682 |
| M (ma, deg) |
46.284585 |
밝기
산란 + 전체 선형
$$
M_a = (15.325 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
15.325 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-1.000 |
| k |
0.800 |
| 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) |
| 2026-03-26 00:00 |
00:20:14.20 |
+01:02:49.1 |
HIP 1601 |
7.57 |
| 2026-03-26 12:00 |
00:20:34.80 |
+01:04:55.0 |
HIP 1601 |
9.35 |
| 2026-03-27 00:00 |
00:20:55.38 |
+01:07:00.8 |
HIP 1601 |
13.39 |
| 2026-03-27 12:00 |
00:21:15.96 |
+01:09:06.6 |
HIP 1601 |
18.25 |
| 2026-03-28 00:00 |
00:21:36.53 |
+01:11:12.2 |
HIP 1601 |
23.41 |
| 2026-03-28 12:00 |
00:21:57.10 |
+01:13:17.7 |
HIP 1601 |
28.72 |
| 2026-03-29 00:00 |
00:22:17.65 |
+01:15:23.1 |
HIP 1601 |
34.10 |
| 2026-03-29 12:00 |
00:22:38.20 |
+01:17:28.4 |
HIP 1924 |
29.44 |
| 2026-03-30 00:00 |
00:22:58.73 |
+01:19:33.6 |
HIP 1924 |
24.02 |
| 2026-03-30 12:00 |
00:23:19.26 |
+01:21:38.6 |
HIP 1924 |
18.66 |
| 2026-03-31 00:00 |
00:23:39.77 |
+01:23:43.5 |
HIP 1924 |
13.47 |
| 2026-03-31 12:00 |
00:24:00.28 |
+01:25:48.3 |
HIP 1924 |
8.69 |
| 2026-04-01 00:00 |
00:24:20.77 |
+01:27:53.0 |
HIP 1924 |
5.57 |
| 2026-04-01 12:00 |
00:24:41.25 |
+01:29:57.5 |
HIP 1924 |
6.89 |
| 2026-04-02 00:00 |
00:25:01.72 |
+01:32:01.8 |
HIP 1924 |
11.18 |
| 2026-04-02 12:00 |
00:25:22.17 |
+01:34:06.1 |
HIP 1924 |
16.22 |
| 2026-04-03 00:00 |
00:25:42.61 |
+01:36:10.1 |
HIP 2006 |
20.73 |
| 2026-04-03 12:00 |
00:26:03.04 |
+01:38:14.0 |
HIP 2047 |
18.81 |
| 2026-04-04 00:00 |
00:26:23.45 |
+01:40:17.8 |
HIP 2047 |
17.94 |
| 2026-04-04 12:00 |
00:26:43.84 |
+01:42:21.4 |
HIP 2047 |
18.71 |
| 2026-04-05 00:00 |
00:27:04.22 |
+01:44:24.8 |
HIP 2047 |
20.94 |
| 2026-04-05 12:00 |
00:27:24.59 |
+01:46:28.1 |
HIP 2212 |
18.66 |
| 2026-04-06 00:00 |
00:27:44.93 |
+01:48:31.2 |
HIP 2212 |
15.04 |
| 2026-04-06 12:00 |
00:28:05.26 |
+01:50:34.1 |
HIP 2212 |
12.81 |
| 2026-04-07 00:00 |
00:28:25.57 |
+01:52:36.8 |
HIP 2212 |
12.73 |
| 2026-04-07 12:00 |
00:28:45.86 |
+01:54:39.3 |
HIP 2212 |
14.82 |
| 2026-04-08 00:00 |
00:29:06.13 |
+01:56:41.7 |
HIP 2212 |
18.36 |
| 2026-04-08 12:00 |
00:29:26.39 |
+01:58:43.8 |
HIP 2212 |
22.67 |
| 2026-04-09 00:00 |
00:29:46.62 |
+02:00:45.8 |
HIP 2458 |
22.33 |
| 2026-04-09 12:00 |
00:30:06.83 |
+02:02:47.5 |
HIP 2458 |
17.78 |
| 2026-04-10 00:00 |
00:30:27.02 |
+02:04:49.1 |
HIP 2458 |
13.90 |
| 2026-04-10 12:00 |
00:30:47.19 |
+02:06:50.4 |
HIP 2458 |
11.37 |
| 2026-04-11 00:00 |
00:31:07.34 |
+02:08:51.5 |
HIP 2458 |
11.15 |
| 2026-04-11 12:00 |
00:31:27.46 |
+02:10:52.5 |
HIP 2458 |
13.34 |
| 2026-04-12 00:00 |
00:31:47.56 |
+02:12:53.1 |
HIP 2458 |
17.04 |
| 2026-04-12 12:00 |
00:32:07.63 |
+02:14:53.6 |
HIP 2458 |
21.46 |
| 2026-04-13 00:00 |
00:32:27.68 |
+02:16:53.8 |
HIP 2458 |
26.25 |
| 2026-04-13 12:00 |
00:32:47.70 |
+02:18:53.8 |
HIP 2680 |
25.09 |
| 2026-04-14 00:00 |
00:33:07.70 |
+02:20:53.5 |
HIP 2703 |
19.74 |
| 2026-04-14 12:00 |
00:33:27.67 |
+02:22:53.0 |
HIP 2703 |
14.38 |
| 2026-04-15 00:00 |
00:33:47.61 |
+02:24:52.2 |
HIP 2703 |
9.04 |
| 2026-04-15 12:00 |
00:34:07.52 |
+02:26:51.2 |
HIP 2703 |
3.77 |
| 2026-04-16 00:00 |
00:34:27.41 |
+02:28:50.0 |
HIP 2703 |
2.01 |