메타데이터
| 항목 |
값 |
| Designation |
337P/WISE |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2016-07-13T11:32:32.386560Z |
| Orbit solution date (soln_date, UTC) |
2024-01-04T23:44:02Z |
| Obs used |
386 |
| NEO |
- |
| M1 |
17.300 |
| K1 |
10.500 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2018-08-21.0000000 |
| e |
0.49688903 |
| q (au) |
1.654224 |
| a (au) |
3.287990 |
| i (deg) |
15.369108 |
| Ω (om, deg) |
106.080434 |
| ω (w, deg) |
160.917541 |
| M (ma, deg) |
127.046558 |
밝기
산란 + 전체 선형
$$
M_a = (16.897 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
16.897 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.512 |
| 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) |
| 2026-05-12 00:00 |
06:40:01.99 |
+24:49:48.3 |
HIP 31963 |
13.23 |
| 2026-05-12 12:00 |
06:40:25.72 |
+24:49:52.6 |
HIP 31963 |
9.69 |
| 2026-05-13 00:00 |
06:40:49.57 |
+24:49:56.6 |
HIP 31963 |
8.41 |
| 2026-05-13 12:00 |
06:41:13.52 |
+24:50:00.2 |
HIP 31963 |
10.31 |
| 2026-05-14 00:00 |
06:41:37.57 |
+24:50:03.6 |
HIP 32003 |
12.21 |
| 2026-05-14 12:00 |
06:42:01.73 |
+24:50:06.6 |
HIP 32003 |
15.65 |
| 2026-05-15 00:00 |
06:42:25.99 |
+24:50:09.2 |
HIP 32003 |
20.03 |
| 2026-05-15 12:00 |
06:42:50.36 |
+24:50:11.5 |
HIP 32246 |
23.09 |
| 2026-05-16 00:00 |
06:43:14.83 |
+24:50:13.5 |
HIP 32246 |
19.95 |
| 2026-05-16 12:00 |
06:43:39.40 |
+24:50:15.1 |
HIP 32246 |
18.01 |
| 2026-05-17 00:00 |
06:44:04.06 |
+24:50:16.4 |
HIP 32254 |
17.39 |
| 2026-05-17 12:00 |
06:44:28.83 |
+24:50:17.4 |
HIP 32369 |
15.90 |
| 2026-05-18 00:00 |
06:44:53.69 |
+24:50:18.0 |
HIP 32369 |
12.03 |
| 2026-05-18 12:00 |
06:45:18.65 |
+24:50:18.2 |
HIP 32369 |
10.02 |
| 2026-05-19 00:00 |
06:45:43.71 |
+24:50:18.2 |
HIP 32369 |
10.96 |
| 2026-05-19 12:00 |
06:46:08.86 |
+24:50:17.7 |
HIP 32369 |
14.32 |
| 2026-05-20 00:00 |
06:46:34.10 |
+24:50:16.9 |
HIP 32527 |
9.34 |
| 2026-05-20 12:00 |
06:46:59.44 |
+24:50:15.8 |
HIP 32527 |
3.59 |
| 2026-05-21 00:00 |
06:47:24.86 |
+24:50:14.3 |
HIP 32527 |
2.18 |
| 2026-05-21 12:00 |
06:47:50.38 |
+24:50:12.5 |
HIP 32527 |
7.97 |
| 2026-05-22 00:00 |
06:48:15.98 |
+24:50:10.3 |
HIP 32527 |
13.78 |
| 2026-05-22 12:00 |
06:48:41.68 |
+24:50:07.8 |
HIP 32527 |
19.61 |
| 2026-05-23 00:00 |
06:49:07.46 |
+24:50:04.9 |
HIP 32527 |
25.46 |
| 2026-05-23 12:00 |
06:49:33.32 |
+24:50:01.7 |
HIP 32527 |
31.32 |
| 2026-05-24 00:00 |
06:49:59.27 |
+24:49:58.1 |
HIP 32942 |
26.94 |
| 2026-05-24 12:00 |
06:50:25.31 |
+24:49:54.2 |
HIP 32942 |
21.98 |
| 2026-05-25 00:00 |
06:50:51.43 |
+24:49:50.0 |
HIP 32942 |
17.61 |
| 2026-05-25 12:00 |
06:51:17.63 |
+24:49:45.3 |
HIP 32942 |
14.39 |
| 2026-05-26 00:00 |
06:51:43.91 |
+24:49:40.3 |
HIP 32942 |
13.22 |
| 2026-05-26 12:00 |
06:52:10.27 |
+24:49:35.0 |
HIP 33011 |
11.62 |
| 2026-05-27 00:00 |
06:52:36.71 |
+24:49:29.3 |
HIP 33011 |
8.83 |
| 2026-05-27 12:00 |
06:53:03.23 |
+24:49:23.3 |
HIP 33011 |
9.65 |
| 2026-05-28 00:00 |
06:53:29.83 |
+24:49:16.9 |
HIP 33011 |
13.46 |
| 2026-05-28 12:00 |
06:53:56.51 |
+24:49:10.1 |
HIP 33011 |
18.50 |
| 2026-05-29 00:00 |
06:54:23.26 |
+24:49:03.0 |
HIP 33011 |
24.04 |
| 2026-05-29 12:00 |
06:54:50.09 |
+24:48:55.6 |
HIP 33360 |
23.21 |
| 2026-05-30 00:00 |
06:55:16.99 |
+24:48:47.7 |
HIP 33360 |
18.27 |
| 2026-05-30 12:00 |
06:55:43.97 |
+24:48:39.6 |
HIP 33360 |
14.25 |
| 2026-05-31 00:00 |
06:56:11.02 |
+24:48:31.0 |
HIP 33360 |
12.14 |
| 2026-05-31 12:00 |
06:56:38.14 |
+24:48:22.1 |
HIP 33422 |
10.50 |
| 2026-06-01 00:00 |
06:57:05.33 |
+24:48:12.9 |
HIP 33422 |
9.30 |
| 2026-06-01 12:00 |
06:57:32.60 |
+24:48:03.3 |
HIP 33422 |
11.79 |
| 2026-06-02 00:00 |
06:57:59.93 |
+24:47:53.3 |
HIP 33566 |
9.69 |