메타데이터
| 항목 |
값 |
| Designation |
P/2007 K2 (Gibbs) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2007-06-08T10:37:30.066240Z |
| Orbit solution date (soln_date, UTC) |
2024-04-13T16:42:56Z |
| Obs used |
58 |
| NEO |
- |
| M1 |
14.000 |
| K1 |
10.000 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2007-05-18.0000000 |
| e |
0.68500895 |
| q (au) |
2.268935 |
| a (au) |
7.203173 |
| i (deg) |
7.619939 |
| Ω (om, deg) |
189.849241 |
| ω (w, deg) |
345.679250 |
| M (ma, deg) |
358.906804 |
밝기
산란 + 전체 선형
$$
M_a = (12.449 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
12.449 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-1.000 |
| k |
0.978 |
| 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) |
| 2026-06-01 00:00 |
06:30:41.00 |
+17:20:38.4 |
HIP 30954 |
20.77 |
| 2026-06-01 12:00 |
06:31:25.73 |
+17:20:29.4 |
HIP 30954 |
28.46 |
| 2026-06-02 00:00 |
06:32:10.55 |
+17:20:19.4 |
HIP 31156 |
26.51 |
| 2026-06-02 12:00 |
06:32:55.48 |
+17:20:08.4 |
HIP 31236 |
23.34 |
| 2026-06-03 00:00 |
06:33:40.51 |
+17:19:56.3 |
HIP 31236 |
24.48 |
| 2026-06-03 12:00 |
06:34:25.64 |
+17:19:43.2 |
HIP 31503 |
21.90 |
| 2026-06-04 00:00 |
06:35:10.87 |
+17:19:29.0 |
HIP 31503 |
12.25 |
| 2026-06-04 12:00 |
06:35:56.20 |
+17:19:13.8 |
HIP 31503 |
7.31 |
| 2026-06-05 00:00 |
06:36:41.63 |
+17:18:57.5 |
HIP 31503 |
13.84 |
| 2026-06-05 12:00 |
06:37:27.16 |
+17:18:40.2 |
HIP 31635 |
15.64 |
| 2026-06-06 00:00 |
06:38:12.78 |
+17:18:21.8 |
HIP 31635 |
21.33 |
| 2026-06-06 12:00 |
06:38:58.51 |
+17:18:02.3 |
HIP 31857 |
25.69 |
| 2026-06-07 00:00 |
06:39:44.33 |
+17:17:41.8 |
HIP 31950 |
24.02 |
| 2026-06-07 12:00 |
06:40:30.25 |
+17:17:20.1 |
HIP 31950 |
21.15 |
| 2026-06-08 00:00 |
06:41:16.26 |
+17:16:57.4 |
HIP 31950 |
23.64 |
| 2026-06-08 12:00 |
06:42:02.37 |
+17:16:33.6 |
HIP 32104 |
22.78 |
| 2026-06-09 00:00 |
06:42:48.57 |
+17:16:08.7 |
HIP 32104 |
23.31 |
| 2026-06-09 12:00 |
06:43:34.87 |
+17:15:42.7 |
HIP 32104 |
28.51 |
| 2026-06-10 00:00 |
06:44:21.26 |
+17:15:15.7 |
HIP 32224 |
30.18 |
| 2026-06-10 12:00 |
06:45:07.75 |
+17:14:47.5 |
HIP 32465 |
21.57 |
| 2026-06-11 00:00 |
06:45:54.33 |
+17:14:18.1 |
HIP 32465 |
12.01 |
| 2026-06-11 12:00 |
06:46:41.00 |
+17:13:47.7 |
HIP 32465 |
8.45 |
| 2026-06-12 00:00 |
06:47:27.76 |
+17:13:16.2 |
HIP 32514 |
7.75 |
| 2026-06-12 12:00 |
06:48:14.61 |
+17:12:43.5 |
HIP 32514 |
16.94 |
| 2026-06-13 00:00 |
06:49:01.55 |
+17:12:09.8 |
HIP 32514 |
27.68 |
| 2026-06-13 12:00 |
06:49:48.58 |
+17:11:34.8 |
HIP 32783 |
24.18 |
| 2026-06-14 00:00 |
06:50:35.69 |
+17:10:58.8 |
HIP 32783 |
25.39 |
| 2026-06-14 12:00 |
06:51:22.90 |
+17:10:21.6 |
HIP 32946 |
30.56 |
| 2026-06-15 00:00 |
06:52:10.19 |
+17:09:43.3 |
HIP 32946 |
31.25 |
| 2026-06-15 12:00 |
06:52:57.57 |
+17:09:03.8 |
HIP 33230 |
29.39 |
| 2026-06-16 00:00 |
06:53:45.03 |
+17:08:23.2 |
HIP 33230 |
18.87 |
| 2026-06-16 12:00 |
06:54:32.58 |
+17:07:41.5 |
HIP 33230 |
10.30 |
| 2026-06-17 00:00 |
06:55:20.21 |
+17:06:58.6 |
HIP 33230 |
10.74 |
| 2026-06-17 12:00 |
06:56:07.92 |
+17:06:14.5 |
HIP 33230 |
19.62 |
| 2026-06-18 00:00 |
06:56:55.72 |
+17:05:29.3 |
HIP 33527 |
27.63 |
| 2026-06-18 12:00 |
06:57:43.59 |
+17:04:43.0 |
HIP 33527 |
21.87 |
| 2026-06-19 00:00 |
06:58:31.55 |
+17:03:55.4 |
HIP 33527 |
21.34 |
| 2026-06-19 12:00 |
06:59:19.58 |
+17:03:06.8 |
HIP 33752 |
19.81 |
| 2026-06-20 00:00 |
07:00:07.70 |
+17:02:16.9 |
HIP 33752 |
8.88 |
| 2026-06-20 12:00 |
07:00:55.89 |
+17:01:25.9 |
HIP 33752 |
5.58 |
| 2026-06-21 00:00 |
07:01:44.16 |
+17:00:33.7 |
HIP 33752 |
15.84 |
| 2026-06-21 12:00 |
07:02:32.51 |
+16:59:40.4 |
HIP 33937 |
19.21 |
| 2026-06-22 00:00 |
07:03:20.93 |
+16:58:45.8 |
HIP 34128 |
18.44 |