C/2006 F2 (Christensen)
메타데이터
| 항목 |
값 |
| Designation |
C/2006 F2 (Christensen) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2006-03-30T10:14:20.296320Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:56Z |
| Obs used |
60 |
| NEO |
- |
| M1 |
10.600 |
| K1 |
10.000 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2006-03-31.0000000 |
| e |
0.65137027 |
| q (au) |
4.296452 |
| a (au) |
12.323827 |
| i (deg) |
20.511217 |
| Ω (om, deg) |
8.260719 |
| ω (w, deg) |
181.011341 |
| M (ma, deg) |
0.013062 |
밝기
산란 + 전체 선형
$$
M_a = (13.117 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
13.117 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.982 |
| 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) |
| 2026-02-03 00:00 |
00:12:26.04 |
+00:19:45.4 |
HIP 1082 |
32.55 |
| 2026-02-03 12:00 |
00:12:29.95 |
+00:20:16.1 |
HIP 1127 |
32.39 |
| 2026-02-04 00:00 |
00:12:33.89 |
+00:20:47.0 |
HIP 1127 |
32.05 |
| 2026-02-04 12:00 |
00:12:37.87 |
+00:21:18.1 |
HIP 1127 |
31.74 |
| 2026-02-05 00:00 |
00:12:41.87 |
+00:21:49.5 |
HIP 1127 |
31.46 |
| 2026-02-05 12:00 |
00:12:45.91 |
+00:22:21.0 |
HIP 1087 |
30.75 |
| 2026-02-06 00:00 |
00:12:49.98 |
+00:22:52.6 |
HIP 1087 |
29.89 |
| 2026-02-06 12:00 |
00:12:54.08 |
+00:23:24.5 |
HIP 1087 |
29.04 |
| 2026-02-07 00:00 |
00:12:58.21 |
+00:23:56.6 |
HIP 1087 |
28.20 |
| 2026-02-07 12:00 |
00:13:02.37 |
+00:24:28.8 |
HIP 1087 |
27.39 |
| 2026-02-08 00:00 |
00:13:06.56 |
+00:25:01.2 |
HIP 1087 |
26.60 |
| 2026-02-08 12:00 |
00:13:10.78 |
+00:25:33.8 |
HIP 1087 |
25.83 |
| 2026-02-09 00:00 |
00:13:15.03 |
+00:26:06.6 |
HIP 1087 |
25.09 |
| 2026-02-09 12:00 |
00:13:19.30 |
+00:26:39.6 |
HIP 1087 |
24.38 |
| 2026-02-10 00:00 |
00:13:23.61 |
+00:27:12.7 |
HIP 1087 |
23.71 |
| 2026-02-10 12:00 |
00:13:27.95 |
+00:27:46.0 |
HIP 1087 |
23.08 |
| 2026-02-11 00:00 |
00:13:32.31 |
+00:28:19.5 |
HIP 1087 |
22.50 |
| 2026-02-11 12:00 |
00:13:36.70 |
+00:28:53.1 |
HIP 1087 |
21.96 |
| 2026-02-12 00:00 |
00:13:41.12 |
+00:29:27.0 |
HIP 1087 |
21.48 |
| 2026-02-12 12:00 |
00:13:45.57 |
+00:30:00.9 |
HIP 1087 |
21.07 |
| 2026-02-13 00:00 |
00:13:50.04 |
+00:30:35.1 |
HIP 1087 |
20.71 |
| 2026-02-13 12:00 |
00:13:54.54 |
+00:31:09.4 |
HIP 1087 |
20.43 |
| 2026-02-14 00:00 |
00:13:59.07 |
+00:31:43.8 |
HIP 1087 |
20.22 |
| 2026-02-14 12:00 |
00:14:03.62 |
+00:32:18.5 |
HIP 1121 |
19.82 |
| 2026-02-15 00:00 |
00:14:08.20 |
+00:32:53.2 |
HIP 1121 |
19.31 |
| 2026-02-15 12:00 |
00:14:12.80 |
+00:33:28.2 |
HIP 1121 |
18.88 |
| 2026-02-16 00:00 |
00:14:17.43 |
+00:34:03.2 |
HIP 1121 |
18.52 |
| 2026-02-16 12:00 |
00:14:22.09 |
+00:34:38.5 |
HIP 1121 |
18.24 |
| 2026-02-17 00:00 |
00:14:26.77 |
+00:35:13.8 |
HIP 1121 |
18.05 |
| 2026-02-17 12:00 |
00:14:31.47 |
+00:35:49.4 |
HIP 1121 |
17.96 |
| 2026-02-18 00:00 |
00:14:36.20 |
+00:36:25.0 |
HIP 1121 |
17.97 |
| 2026-02-18 12:00 |
00:14:40.95 |
+00:37:00.8 |
HIP 1121 |
18.07 |
| 2026-02-19 00:00 |
00:14:45.72 |
+00:37:36.8 |
HIP 1121 |
18.28 |
| 2026-02-19 12:00 |
00:14:50.52 |
+00:38:12.9 |
HIP 1121 |
18.57 |
| 2026-02-20 00:00 |
00:14:55.34 |
+00:38:49.1 |
HIP 1121 |
18.96 |
| 2026-02-20 12:00 |
00:15:00.19 |
+00:39:25.4 |
HIP 1121 |
19.44 |
| 2026-02-21 00:00 |
00:15:05.05 |
+00:40:01.9 |
HIP 1121 |
20.01 |
| 2026-02-21 12:00 |
00:15:09.94 |
+00:40:38.5 |
HIP 1121 |
20.65 |
| 2026-02-22 00:00 |
00:15:14.85 |
+00:41:15.2 |
HIP 1121 |
21.36 |
| 2026-02-22 12:00 |
00:15:19.77 |
+00:41:52.1 |
HIP 1121 |
22.14 |
| 2026-02-23 00:00 |
00:15:24.72 |
+00:42:29.0 |
HIP 1121 |
22.98 |
| 2026-02-23 12:00 |
00:15:29.69 |
+00:43:06.1 |
HIP 1121 |
23.87 |
| 2026-02-24 00:00 |
00:15:34.68 |
+00:43:43.3 |
HIP 1121 |
24.81 |