메타데이터
| 항목 |
값 |
| Designation |
P/2010 JC81 (WISE) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2011-04-26T13:17:31.525440Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:44Z |
| Obs used |
619 |
| NEO |
- |
| M1 |
10.300 |
| K1 |
10.000 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2011-12-13.0000000 |
| e |
0.77735065 |
| q (au) |
1.810829 |
| a (au) |
8.133096 |
| i (deg) |
38.690269 |
| Ω (om, deg) |
30.768052 |
| ω (w, deg) |
12.573308 |
| M (ma, deg) |
9.792412 |
밝기
산란 + 전체 선형
$$
M_a = (5.695 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
5.695 |
| 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 |
14:42:52.57 |
-32:26:49.9 |
HIP 71922 |
17.09 |
| 2026-06-01 12:00 |
14:42:44.01 |
-32:26:11.5 |
HIP 71922 |
17.46 |
| 2026-06-02 00:00 |
14:42:35.51 |
-32:25:32.9 |
HIP 71922 |
18.03 |
| 2026-06-02 12:00 |
14:42:27.05 |
-32:24:54.2 |
HIP 71922 |
18.78 |
| 2026-06-03 00:00 |
14:42:18.64 |
-32:24:15.3 |
HIP 71922 |
19.68 |
| 2026-06-03 12:00 |
14:42:10.27 |
-32:23:36.2 |
HIP 71922 |
20.71 |
| 2026-06-04 00:00 |
14:42:01.96 |
-32:22:57.0 |
HIP 71922 |
21.86 |
| 2026-06-04 12:00 |
14:41:53.69 |
-32:22:17.7 |
HIP 71922 |
23.10 |
| 2026-06-05 00:00 |
14:41:45.48 |
-32:21:38.2 |
HIP 71922 |
24.42 |
| 2026-06-05 12:00 |
14:41:37.31 |
-32:20:58.6 |
HIP 71922 |
25.80 |
| 2026-06-06 00:00 |
14:41:29.20 |
-32:20:18.9 |
HIP 71922 |
27.23 |
| 2026-06-06 12:00 |
14:41:21.14 |
-32:19:39.1 |
HIP 71922 |
28.70 |
| 2026-06-07 00:00 |
14:41:13.13 |
-32:18:59.1 |
HIP 71890 |
30.02 |
| 2026-06-07 12:00 |
14:41:05.18 |
-32:18:19.0 |
HIP 71890 |
31.35 |
| 2026-06-08 00:00 |
14:40:57.28 |
-32:17:38.8 |
HIP 71890 |
32.73 |
| 2026-06-08 12:00 |
14:40:49.44 |
-32:16:58.6 |
HIP 71890 |
34.14 |
| 2026-06-09 00:00 |
14:40:41.65 |
-32:16:18.2 |
HIP 71593 |
34.74 |
| 2026-06-09 12:00 |
14:40:33.92 |
-32:15:37.7 |
HIP 71593 |
33.03 |
| 2026-06-10 00:00 |
14:40:26.24 |
-32:14:57.2 |
HIP 71593 |
31.35 |
| 2026-06-10 12:00 |
14:40:18.62 |
-32:14:16.6 |
HIP 71593 |
29.68 |
| 2026-06-11 00:00 |
14:40:11.07 |
-32:13:35.9 |
HIP 71593 |
28.02 |
| 2026-06-11 12:00 |
14:40:03.57 |
-32:12:55.1 |
HIP 71593 |
26.39 |
| 2026-06-12 00:00 |
14:39:56.13 |
-32:12:14.3 |
HIP 71593 |
24.77 |
| 2026-06-12 12:00 |
14:39:48.75 |
-32:11:33.4 |
HIP 71593 |
23.18 |
| 2026-06-13 00:00 |
14:39:41.43 |
-32:10:52.5 |
HIP 71593 |
21.62 |
| 2026-06-13 12:00 |
14:39:34.18 |
-32:10:11.5 |
HIP 71593 |
20.08 |
| 2026-06-14 00:00 |
14:39:26.98 |
-32:09:30.5 |
HIP 71593 |
18.58 |
| 2026-06-14 12:00 |
14:39:19.85 |
-32:08:49.4 |
HIP 71593 |
17.11 |
| 2026-06-15 00:00 |
14:39:12.79 |
-32:08:08.3 |
HIP 71593 |
15.69 |
| 2026-06-15 12:00 |
14:39:05.79 |
-32:07:27.2 |
HIP 71593 |
14.33 |
| 2026-06-16 00:00 |
14:38:58.85 |
-32:06:46.1 |
HIP 71593 |
13.03 |
| 2026-06-16 12:00 |
14:38:51.98 |
-32:06:04.9 |
HIP 71593 |
11.82 |
| 2026-06-17 00:00 |
14:38:45.17 |
-32:05:23.8 |
HIP 71593 |
10.72 |
| 2026-06-17 12:00 |
14:38:38.44 |
-32:04:42.7 |
HIP 71593 |
9.75 |
| 2026-06-18 00:00 |
14:38:31.77 |
-32:04:01.5 |
HIP 71593 |
8.97 |
| 2026-06-18 12:00 |
14:38:25.16 |
-32:03:20.4 |
HIP 71593 |
8.41 |
| 2026-06-19 00:00 |
14:38:18.63 |
-32:02:39.3 |
HIP 71593 |
8.10 |
| 2026-06-19 12:00 |
14:38:12.16 |
-32:01:58.2 |
HIP 71593 |
8.08 |
| 2026-06-20 00:00 |
14:38:05.77 |
-32:01:17.1 |
HIP 71593 |
8.34 |
| 2026-06-20 12:00 |
14:37:59.44 |
-32:00:36.1 |
HIP 71593 |
8.84 |
| 2026-06-21 00:00 |
14:37:53.19 |
-31:59:55.1 |
HIP 71593 |
9.54 |
| 2026-06-21 12:00 |
14:37:47.00 |
-31:59:14.1 |
HIP 71593 |
10.40 |
| 2026-06-22 00:00 |
14:37:40.89 |
-31:58:33.2 |
HIP 71593 |
11.37 |