메타데이터
| 항목 |
값 |
| Designation |
C/2010 FB87 (WISE-Garradd) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2010-11-07T09:21:42.255360Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:41Z |
| Obs used |
613 |
| NEO |
- |
| M1 |
11.100 |
| K1 |
4.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2011-05-28.0000000 |
| e |
0.99050085 |
| q (au) |
2.842763 |
| a (au) |
299.264939 |
| i (deg) |
107.625358 |
| Ω (om, deg) |
89.902192 |
| ω (w, deg) |
265.025840 |
| M (ma, deg) |
0.038382 |
밝기
산란 + 전체 선형
$$
M_a = (10.840 + 3.477\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
10.840 |
| n |
3.477 |
| gf |
1.000 |
| gb |
-0.812 |
| 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 |
03:04:46.35 |
+67:17:18.6 |
HIP 14476 |
13.92 |
| 2026-03-26 12:00 |
03:04:52.43 |
+67:16:58.7 |
HIP 14476 |
13.61 |
| 2026-03-27 00:00 |
03:04:58.56 |
+67:16:39.1 |
HIP 14476 |
13.32 |
| 2026-03-27 12:00 |
03:05:04.74 |
+67:16:19.9 |
HIP 14476 |
13.06 |
| 2026-03-28 00:00 |
03:05:10.97 |
+67:16:00.9 |
HIP 14476 |
12.81 |
| 2026-03-28 12:00 |
03:05:17.24 |
+67:15:42.3 |
HIP 14476 |
12.59 |
| 2026-03-29 00:00 |
03:05:23.56 |
+67:15:24.0 |
HIP 14476 |
12.39 |
| 2026-03-29 12:00 |
03:05:29.93 |
+67:15:06.0 |
HIP 14476 |
12.22 |
| 2026-03-30 00:00 |
03:05:36.34 |
+67:14:48.4 |
HIP 14476 |
12.09 |
| 2026-03-30 12:00 |
03:05:42.80 |
+67:14:31.1 |
HIP 14476 |
11.98 |
| 2026-03-31 00:00 |
03:05:49.30 |
+67:14:14.1 |
HIP 14476 |
11.90 |
| 2026-03-31 12:00 |
03:05:55.85 |
+67:13:57.4 |
HIP 14476 |
11.86 |
| 2026-04-01 00:00 |
03:06:02.44 |
+67:13:41.0 |
HIP 14476 |
11.84 |
| 2026-04-01 12:00 |
03:06:09.07 |
+67:13:25.0 |
HIP 14476 |
11.87 |
| 2026-04-02 00:00 |
03:06:15.75 |
+67:13:09.3 |
HIP 14476 |
11.92 |
| 2026-04-02 12:00 |
03:06:22.47 |
+67:12:54.0 |
HIP 14476 |
12.01 |
| 2026-04-03 00:00 |
03:06:29.22 |
+67:12:38.9 |
HIP 14476 |
12.14 |
| 2026-04-03 12:00 |
03:06:36.03 |
+67:12:24.2 |
HIP 14476 |
12.29 |
| 2026-04-04 00:00 |
03:06:42.87 |
+67:12:09.9 |
HIP 14476 |
12.48 |
| 2026-04-04 12:00 |
03:06:49.75 |
+67:11:55.8 |
HIP 14476 |
12.70 |
| 2026-04-05 00:00 |
03:06:56.67 |
+67:11:42.1 |
HIP 14476 |
12.95 |
| 2026-04-05 12:00 |
03:07:03.63 |
+67:11:28.7 |
HIP 14476 |
13.22 |
| 2026-04-06 00:00 |
03:07:10.63 |
+67:11:15.7 |
HIP 14476 |
13.53 |
| 2026-04-06 12:00 |
03:07:17.67 |
+67:11:03.0 |
HIP 14476 |
13.85 |
| 2026-04-07 00:00 |
03:07:24.74 |
+67:10:50.6 |
HIP 14476 |
14.20 |
| 2026-04-07 12:00 |
03:07:31.86 |
+67:10:38.6 |
HIP 14476 |
14.58 |
| 2026-04-08 00:00 |
03:07:39.01 |
+67:10:26.8 |
HIP 14476 |
14.97 |
| 2026-04-08 12:00 |
03:07:46.19 |
+67:10:15.5 |
HIP 14714 |
14.49 |
| 2026-04-09 00:00 |
03:07:53.42 |
+67:10:04.4 |
HIP 14714 |
13.76 |
| 2026-04-09 12:00 |
03:08:00.67 |
+67:09:53.7 |
HIP 14714 |
13.04 |
| 2026-04-10 00:00 |
03:08:07.97 |
+67:09:43.3 |
HIP 14714 |
12.32 |
| 2026-04-10 12:00 |
03:08:15.29 |
+67:09:33.3 |
HIP 14714 |
11.59 |
| 2026-04-11 00:00 |
03:08:22.66 |
+67:09:23.6 |
HIP 14714 |
10.87 |
| 2026-04-11 12:00 |
03:08:30.05 |
+67:09:14.3 |
HIP 14714 |
10.15 |
| 2026-04-12 00:00 |
03:08:37.48 |
+67:09:05.2 |
HIP 14714 |
9.42 |
| 2026-04-12 12:00 |
03:08:44.94 |
+67:08:56.6 |
HIP 14714 |
8.70 |
| 2026-04-13 00:00 |
03:08:52.43 |
+67:08:48.2 |
HIP 14714 |
7.99 |
| 2026-04-13 12:00 |
03:08:59.96 |
+67:08:40.2 |
HIP 14714 |
7.27 |
| 2026-04-14 00:00 |
03:09:07.51 |
+67:08:32.5 |
HIP 14714 |
6.57 |
| 2026-04-14 12:00 |
03:09:15.10 |
+67:08:25.2 |
HIP 14714 |
5.87 |
| 2026-04-15 00:00 |
03:09:22.71 |
+67:08:18.2 |
HIP 14714 |
5.19 |
| 2026-04-15 12:00 |
03:09:30.36 |
+67:08:11.6 |
HIP 14714 |
4.53 |
| 2026-04-16 00:00 |
03:09:38.03 |
+67:08:05.3 |
HIP 14714 |
3.91 |