메타데이터
| 항목 |
값 |
| Designation |
C/2010 E3 (WISE) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2010-04-05T12:06:39.401280Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:41Z |
| Obs used |
33 |
| NEO |
- |
| M1 |
13.400 |
| K1 |
14.750 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2010-03-07.0000000 |
| e |
0.99221691 |
| q (au) |
2.269055 |
| a (au) |
291.536458 |
| i (deg) |
96.357814 |
| Ω (om, deg) |
117.272465 |
| ω (w, deg) |
50.432753 |
| M (ma, deg) |
359.994158 |
밝기
산란 + 전체 선형
$$
M_a = (13.039 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
13.039 |
| n |
6.000 |
| gf |
0.902 |
| gb |
-0.830 |
| k |
0.998 |
| δ90 |
4.109 |
| 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 |
20:14:42.46 |
-40:58:22.0 |
HIP 99904 |
16.93 |
| 2026-03-26 12:00 |
20:14:44.56 |
-40:58:37.6 |
HIP 99904 |
16.52 |
| 2026-03-27 00:00 |
20:14:46.63 |
-40:58:53.4 |
HIP 99904 |
16.12 |
| 2026-03-27 12:00 |
20:14:48.66 |
-40:59:09.3 |
HIP 99904 |
15.74 |
| 2026-03-28 00:00 |
20:14:50.66 |
-40:59:25.4 |
HIP 99904 |
15.36 |
| 2026-03-28 12:00 |
20:14:52.62 |
-40:59:41.7 |
HIP 99904 |
14.99 |
| 2026-03-29 00:00 |
20:14:54.54 |
-40:59:58.1 |
HIP 99904 |
14.64 |
| 2026-03-29 12:00 |
20:14:56.44 |
-41:00:14.6 |
HIP 99904 |
14.30 |
| 2026-03-30 00:00 |
20:14:58.29 |
-41:00:31.3 |
HIP 99904 |
13.97 |
| 2026-03-30 12:00 |
20:15:00.11 |
-41:00:48.2 |
HIP 99904 |
13.66 |
| 2026-03-31 00:00 |
20:15:01.89 |
-41:01:05.2 |
HIP 99904 |
13.36 |
| 2026-03-31 12:00 |
20:15:03.64 |
-41:01:22.4 |
HIP 99904 |
13.07 |
| 2026-04-01 00:00 |
20:15:05.36 |
-41:01:39.7 |
HIP 99904 |
12.80 |
| 2026-04-01 12:00 |
20:15:07.03 |
-41:01:57.2 |
HIP 99904 |
12.55 |
| 2026-04-02 00:00 |
20:15:08.67 |
-41:02:14.8 |
HIP 99904 |
12.32 |
| 2026-04-02 12:00 |
20:15:10.28 |
-41:02:32.6 |
HIP 99904 |
12.10 |
| 2026-04-03 00:00 |
20:15:11.85 |
-41:02:50.5 |
HIP 99904 |
11.90 |
| 2026-04-03 12:00 |
20:15:13.38 |
-41:03:08.5 |
HIP 99904 |
11.72 |
| 2026-04-04 00:00 |
20:15:14.87 |
-41:03:26.7 |
HIP 99904 |
11.56 |
| 2026-04-04 12:00 |
20:15:16.33 |
-41:03:45.1 |
HIP 99904 |
11.42 |
| 2026-04-05 00:00 |
20:15:17.75 |
-41:04:03.6 |
HIP 99904 |
11.30 |
| 2026-04-05 12:00 |
20:15:19.14 |
-41:04:22.2 |
HIP 99904 |
11.20 |
| 2026-04-06 00:00 |
20:15:20.48 |
-41:04:41.0 |
HIP 99904 |
11.12 |
| 2026-04-06 12:00 |
20:15:21.79 |
-41:05:00.0 |
HIP 99904 |
11.07 |
| 2026-04-07 00:00 |
20:15:23.07 |
-41:05:19.0 |
HIP 99904 |
11.03 |
| 2026-04-07 12:00 |
20:15:24.30 |
-41:05:38.2 |
HIP 99904 |
11.02 |
| 2026-04-08 00:00 |
20:15:25.50 |
-41:05:57.6 |
HIP 99904 |
11.03 |
| 2026-04-08 12:00 |
20:15:26.66 |
-41:06:17.0 |
HIP 99904 |
11.06 |
| 2026-04-09 00:00 |
20:15:27.78 |
-41:06:36.7 |
HIP 99904 |
11.11 |
| 2026-04-09 12:00 |
20:15:28.87 |
-41:06:56.4 |
HIP 99904 |
11.18 |
| 2026-04-10 00:00 |
20:15:29.92 |
-41:07:16.3 |
HIP 99904 |
11.27 |
| 2026-04-10 12:00 |
20:15:30.92 |
-41:07:36.3 |
HIP 99904 |
11.37 |
| 2026-04-11 00:00 |
20:15:31.90 |
-41:07:56.5 |
HIP 99904 |
11.50 |
| 2026-04-11 12:00 |
20:15:32.83 |
-41:08:16.8 |
HIP 99904 |
11.65 |
| 2026-04-12 00:00 |
20:15:33.72 |
-41:08:37.2 |
HIP 99904 |
11.81 |
| 2026-04-12 12:00 |
20:15:34.58 |
-41:08:57.8 |
HIP 99904 |
11.98 |
| 2026-04-13 00:00 |
20:15:35.40 |
-41:09:18.4 |
HIP 99904 |
12.18 |
| 2026-04-13 12:00 |
20:15:36.17 |
-41:09:39.2 |
HIP 99904 |
12.38 |
| 2026-04-14 00:00 |
20:15:36.91 |
-41:10:00.2 |
HIP 99904 |
12.60 |
| 2026-04-14 12:00 |
20:15:37.61 |
-41:10:21.2 |
HIP 99904 |
12.83 |
| 2026-04-15 00:00 |
20:15:38.28 |
-41:10:42.4 |
HIP 99904 |
13.08 |
| 2026-04-15 12:00 |
20:15:38.90 |
-41:11:03.7 |
HIP 99904 |
13.33 |
| 2026-04-16 00:00 |
20:15:39.48 |
-41:11:25.1 |
HIP 99904 |
13.60 |