메타데이터
| 항목 |
값 |
| Designation |
C/2010 L4 (WISE) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2010-02-23T15:43:33.841920Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:44Z |
| Obs used |
98 |
| NEO |
- |
| M1 |
12.900 |
| K1 |
7.750 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2010-07-08.0000000 |
| e |
0.96471201 |
| q (au) |
2.825536 |
| a (au) |
80.070752 |
| i (deg) |
102.818083 |
| Ω (om, deg) |
125.540169 |
| ω (w, deg) |
95.768618 |
| M (ma, deg) |
0.184805 |
밝기
산란 + 전체 선형
$$
M_a = (8.939 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
8.939 |
| 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
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
22:12:52.29 |
-83:40:41.0 |
HIP 109415 |
19.77 |
| 2026-06-01 12:00 |
22:12:48.38 |
-83:41:38.3 |
HIP 109415 |
20.67 |
| 2026-06-02 00:00 |
22:12:44.19 |
-83:42:35.5 |
HIP 109415 |
21.58 |
| 2026-06-02 12:00 |
22:12:39.72 |
-83:43:32.6 |
HIP 108744 |
22.27 |
| 2026-06-03 00:00 |
22:12:34.96 |
-83:44:29.8 |
HIP 108744 |
21.58 |
| 2026-06-03 12:00 |
22:12:29.90 |
-83:45:26.9 |
HIP 108744 |
20.90 |
| 2026-06-04 00:00 |
22:12:24.56 |
-83:46:24.0 |
HIP 108744 |
20.24 |
| 2026-06-04 12:00 |
22:12:18.93 |
-83:47:21.0 |
HIP 108744 |
19.60 |
| 2026-06-05 00:00 |
22:12:13.00 |
-83:48:18.0 |
HIP 108744 |
18.99 |
| 2026-06-05 12:00 |
22:12:06.77 |
-83:49:14.9 |
HIP 108744 |
18.39 |
| 2026-06-06 00:00 |
22:12:00.25 |
-83:50:11.7 |
HIP 108744 |
17.83 |
| 2026-06-06 12:00 |
22:11:53.42 |
-83:51:08.5 |
HIP 108744 |
17.29 |
| 2026-06-07 00:00 |
22:11:46.30 |
-83:52:05.3 |
HIP 108744 |
16.78 |
| 2026-06-07 12:00 |
22:11:38.87 |
-83:53:01.9 |
HIP 108744 |
16.31 |
| 2026-06-08 00:00 |
22:11:31.14 |
-83:53:58.5 |
HIP 108744 |
15.87 |
| 2026-06-08 12:00 |
22:11:23.10 |
-83:54:55.0 |
HIP 108744 |
15.48 |
| 2026-06-09 00:00 |
22:11:14.75 |
-83:55:51.4 |
HIP 108744 |
15.13 |
| 2026-06-09 12:00 |
22:11:06.09 |
-83:56:47.7 |
HIP 108744 |
14.83 |
| 2026-06-10 00:00 |
22:10:57.12 |
-83:57:43.9 |
HIP 108744 |
14.58 |
| 2026-06-10 12:00 |
22:10:47.83 |
-83:58:40.0 |
HIP 108744 |
14.38 |
| 2026-06-11 00:00 |
22:10:38.23 |
-83:59:36.0 |
HIP 108744 |
14.24 |
| 2026-06-11 12:00 |
22:10:28.31 |
-84:00:31.9 |
HIP 108744 |
14.16 |
| 2026-06-12 00:00 |
22:10:18.08 |
-84:01:27.7 |
HIP 108744 |
14.14 |
| 2026-06-12 12:00 |
22:10:07.52 |
-84:02:23.4 |
HIP 108744 |
14.17 |
| 2026-06-13 00:00 |
22:09:56.65 |
-84:03:18.9 |
HIP 108744 |
14.26 |
| 2026-06-13 12:00 |
22:09:45.44 |
-84:04:14.3 |
HIP 108744 |
14.42 |
| 2026-06-14 00:00 |
22:09:33.92 |
-84:05:09.6 |
HIP 108744 |
14.62 |
| 2026-06-14 12:00 |
22:09:22.07 |
-84:06:04.7 |
HIP 108744 |
14.88 |
| 2026-06-15 00:00 |
22:09:09.89 |
-84:06:59.7 |
HIP 108744 |
15.19 |
| 2026-06-15 12:00 |
22:08:57.38 |
-84:07:54.5 |
HIP 108744 |
15.55 |
| 2026-06-16 00:00 |
22:08:44.55 |
-84:08:49.2 |
HIP 108744 |
15.95 |
| 2026-06-16 12:00 |
22:08:31.38 |
-84:09:43.7 |
HIP 108744 |
16.40 |
| 2026-06-17 00:00 |
22:08:17.88 |
-84:10:38.0 |
HIP 108744 |
16.88 |
| 2026-06-17 12:00 |
22:08:04.05 |
-84:11:32.2 |
HIP 108744 |
17.39 |
| 2026-06-18 00:00 |
22:07:49.89 |
-84:12:26.1 |
HIP 108744 |
17.94 |
| 2026-06-18 12:00 |
22:07:35.39 |
-84:13:19.9 |
HIP 108744 |
18.52 |
| 2026-06-19 00:00 |
22:07:20.56 |
-84:14:13.5 |
HIP 108469 |
17.78 |
| 2026-06-19 12:00 |
22:07:05.39 |
-84:15:06.9 |
HIP 108469 |
16.90 |
| 2026-06-20 00:00 |
22:06:49.88 |
-84:16:00.1 |
HIP 108469 |
16.03 |
| 2026-06-20 12:00 |
22:06:34.04 |
-84:16:53.1 |
HIP 108469 |
15.16 |
| 2026-06-21 00:00 |
22:06:17.86 |
-84:17:45.9 |
HIP 108469 |
14.31 |
| 2026-06-21 12:00 |
22:06:01.34 |
-84:18:38.5 |
HIP 108469 |
13.46 |
| 2026-06-22 00:00 |
22:05:44.48 |
-84:19:30.9 |
HIP 108469 |
12.63 |