C/2015 WZ (PANSTARRS)
메타데이터
| 항목 |
값 |
| Designation |
C/2015 WZ (PANSTARRS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2016-04-15T19:10:55.200000Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:33:17Z |
| Obs used |
373 |
| NEO |
- |
| M1 |
10.400 |
| K1 |
25.250 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2016-05-03.0000000 |
| e |
0.99287381 |
| q (au) |
1.376638 |
| a (au) |
193.179952 |
| i (deg) |
134.134938 |
| Ω (om, deg) |
40.045810 |
| ω (w, deg) |
66.710648 |
| M (ma, deg) |
0.006314 |
밝기
산란 + 전체 선형
$$
M_a = (8.676 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
8.676 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.500 |
| 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 |
11:54:44.38 |
-30:03:40.5 |
HIP 58029 |
9.67 |
| 2026-02-03 12:00 |
11:54:40.13 |
-30:03:50.2 |
HIP 58029 |
8.96 |
| 2026-02-04 00:00 |
11:54:35.84 |
-30:03:59.4 |
HIP 58029 |
8.30 |
| 2026-02-04 12:00 |
11:54:31.52 |
-30:04:08.2 |
HIP 58029 |
7.67 |
| 2026-02-05 00:00 |
11:54:27.16 |
-30:04:16.6 |
HIP 58029 |
7.11 |
| 2026-02-05 12:00 |
11:54:22.77 |
-30:04:24.6 |
HIP 58029 |
6.63 |
| 2026-02-06 00:00 |
11:54:18.35 |
-30:04:32.2 |
HIP 58029 |
6.25 |
| 2026-02-06 12:00 |
11:54:13.90 |
-30:04:39.4 |
HIP 58029 |
6.00 |
| 2026-02-07 00:00 |
11:54:09.41 |
-30:04:46.2 |
HIP 58029 |
5.89 |
| 2026-02-07 12:00 |
11:54:04.89 |
-30:04:52.5 |
HIP 58029 |
5.93 |
| 2026-02-08 00:00 |
11:54:00.33 |
-30:04:58.5 |
HIP 58029 |
6.13 |
| 2026-02-08 12:00 |
11:53:55.75 |
-30:05:04.0 |
HIP 58029 |
6.47 |
| 2026-02-09 00:00 |
11:53:51.13 |
-30:05:09.1 |
HIP 58029 |
6.93 |
| 2026-02-09 12:00 |
11:53:46.48 |
-30:05:13.8 |
HIP 58029 |
7.50 |
| 2026-02-10 00:00 |
11:53:41.80 |
-30:05:18.1 |
HIP 58029 |
8.15 |
| 2026-02-10 12:00 |
11:53:37.09 |
-30:05:21.9 |
HIP 58029 |
8.88 |
| 2026-02-11 00:00 |
11:53:32.36 |
-30:05:25.4 |
HIP 58029 |
9.65 |
| 2026-02-11 12:00 |
11:53:27.59 |
-30:05:28.4 |
HIP 58029 |
10.47 |
| 2026-02-12 00:00 |
11:53:22.79 |
-30:05:31.0 |
HIP 58029 |
11.33 |
| 2026-02-12 12:00 |
11:53:17.96 |
-30:05:33.2 |
HIP 58029 |
12.21 |
| 2026-02-13 00:00 |
11:53:13.11 |
-30:05:34.9 |
HIP 58029 |
13.12 |
| 2026-02-13 12:00 |
11:53:08.22 |
-30:05:36.2 |
HIP 58029 |
14.05 |
| 2026-02-14 00:00 |
11:53:03.31 |
-30:05:37.1 |
HIP 58029 |
15.01 |
| 2026-02-14 12:00 |
11:52:58.37 |
-30:05:37.6 |
HIP 58029 |
15.97 |
| 2026-02-15 00:00 |
11:52:53.40 |
-30:05:37.7 |
HIP 58029 |
16.96 |
| 2026-02-15 12:00 |
11:52:48.41 |
-30:05:37.3 |
HIP 58029 |
17.95 |
| 2026-02-16 00:00 |
11:52:43.39 |
-30:05:36.5 |
HIP 58029 |
18.96 |
| 2026-02-16 12:00 |
11:52:38.35 |
-30:05:35.3 |
HIP 58029 |
19.98 |
| 2026-02-17 00:00 |
11:52:33.27 |
-30:05:33.6 |
HIP 58029 |
21.01 |
| 2026-02-17 12:00 |
11:52:28.18 |
-30:05:31.5 |
HIP 58029 |
22.05 |
| 2026-02-18 00:00 |
11:52:23.06 |
-30:05:29.0 |
HIP 58029 |
23.10 |
| 2026-02-18 12:00 |
11:52:17.91 |
-30:05:26.1 |
HIP 58029 |
24.15 |
| 2026-02-19 00:00 |
11:52:12.75 |
-30:05:22.8 |
HIP 58029 |
25.22 |
| 2026-02-19 12:00 |
11:52:07.55 |
-30:05:19.0 |
HIP 58029 |
26.29 |
| 2026-02-20 00:00 |
11:52:02.34 |
-30:05:14.8 |
HIP 58029 |
27.37 |
| 2026-02-20 12:00 |
11:51:57.10 |
-30:05:10.2 |
HIP 58029 |
28.46 |
| 2026-02-21 00:00 |
11:51:51.85 |
-30:05:05.1 |
HIP 58029 |
29.55 |
| 2026-02-21 12:00 |
11:51:46.57 |
-30:04:59.6 |
HIP 58029 |
30.65 |
| 2026-02-22 00:00 |
11:51:41.27 |
-30:04:53.7 |
HIP 58029 |
31.76 |
| 2026-02-22 12:00 |
11:51:35.94 |
-30:04:47.4 |
HIP 57723 |
32.60 |
| 2026-02-23 00:00 |
11:51:30.60 |
-30:04:40.7 |
HIP 57723 |
32.10 |
| 2026-02-23 12:00 |
11:51:25.24 |
-30:04:33.5 |
HIP 57723 |
31.64 |
| 2026-02-24 00:00 |
11:51:19.86 |
-30:04:26.0 |
HIP 57723 |
31.23 |