337P/WISE
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) |
| 2026-02-03 00:00 |
06:18:21.14 |
+23:15:17.7 |
HIP 30049 |
14.15 |
| 2026-02-03 12:00 |
06:18:06.19 |
+23:16:08.2 |
HIP 29979 |
17.43 |
| 2026-02-04 00:00 |
06:17:51.46 |
+23:16:58.4 |
HIP 29979 |
19.84 |
| 2026-02-04 12:00 |
06:17:36.94 |
+23:17:48.3 |
HIP 29979 |
22.51 |
| 2026-02-05 00:00 |
06:17:22.64 |
+23:18:38.0 |
HIP 29979 |
25.32 |
| 2026-02-05 12:00 |
06:17:08.54 |
+23:19:27.4 |
HIP 29840 |
25.10 |
| 2026-02-06 00:00 |
06:16:54.67 |
+23:20:16.5 |
HIP 29840 |
24.20 |
| 2026-02-06 12:00 |
06:16:41.01 |
+23:21:05.4 |
HIP 29840 |
23.71 |
| 2026-02-07 00:00 |
06:16:27.58 |
+23:21:54.0 |
HIP 29840 |
23.66 |
| 2026-02-07 12:00 |
06:16:14.36 |
+23:22:42.3 |
HIP 29840 |
24.01 |
| 2026-02-08 00:00 |
06:16:01.37 |
+23:23:30.4 |
HIP 29757 |
23.49 |
| 2026-02-08 12:00 |
06:15:48.60 |
+23:24:18.2 |
HIP 29757 |
22.84 |
| 2026-02-09 00:00 |
06:15:36.06 |
+23:25:05.8 |
HIP 29757 |
22.58 |
| 2026-02-09 12:00 |
06:15:23.75 |
+23:25:53.1 |
HIP 29757 |
22.70 |
| 2026-02-10 00:00 |
06:15:11.66 |
+23:26:40.1 |
HIP 29757 |
23.16 |
| 2026-02-10 12:00 |
06:14:59.81 |
+23:27:26.9 |
HIP 29757 |
23.94 |
| 2026-02-11 00:00 |
06:14:48.19 |
+23:28:13.4 |
HIP 29757 |
24.98 |
| 2026-02-11 12:00 |
06:14:36.80 |
+23:28:59.7 |
HIP 29757 |
26.24 |
| 2026-02-12 00:00 |
06:14:25.64 |
+23:29:45.7 |
HIP 29757 |
27.66 |
| 2026-02-12 12:00 |
06:14:14.72 |
+23:30:31.5 |
HIP 29589 |
28.69 |
| 2026-02-13 00:00 |
06:14:04.04 |
+23:31:17.1 |
HIP 29589 |
27.93 |
| 2026-02-13 12:00 |
06:13:53.59 |
+23:32:02.4 |
HIP 29589 |
27.38 |
| 2026-02-14 00:00 |
06:13:43.38 |
+23:32:47.5 |
HIP 29589 |
27.04 |
| 2026-02-14 12:00 |
06:13:33.41 |
+23:33:32.3 |
HIP 29589 |
26.91 |
| 2026-02-15 00:00 |
06:13:23.69 |
+23:34:16.9 |
HIP 29589 |
26.97 |
| 2026-02-15 12:00 |
06:13:14.20 |
+23:35:01.2 |
HIP 29589 |
27.22 |
| 2026-02-16 00:00 |
06:13:04.96 |
+23:35:45.3 |
HIP 29589 |
27.63 |
| 2026-02-16 12:00 |
06:12:55.96 |
+23:36:29.2 |
HIP 29425 |
27.69 |
| 2026-02-17 00:00 |
06:12:47.20 |
+23:37:12.9 |
HIP 29405 |
26.14 |
| 2026-02-17 12:00 |
06:12:38.69 |
+23:37:56.3 |
HIP 29405 |
24.54 |
| 2026-02-18 00:00 |
06:12:30.43 |
+23:38:39.5 |
HIP 29405 |
23.04 |
| 2026-02-18 12:00 |
06:12:22.41 |
+23:39:22.5 |
HIP 29405 |
21.65 |
| 2026-02-19 00:00 |
06:12:14.63 |
+23:40:05.2 |
HIP 29405 |
20.38 |
| 2026-02-19 12:00 |
06:12:07.11 |
+23:40:47.7 |
HIP 29405 |
19.23 |
| 2026-02-20 00:00 |
06:11:59.83 |
+23:41:30.0 |
HIP 29405 |
18.22 |
| 2026-02-20 12:00 |
06:11:52.80 |
+23:42:12.1 |
HIP 29405 |
17.34 |
| 2026-02-21 00:00 |
06:11:46.02 |
+23:42:53.9 |
HIP 29405 |
16.60 |
| 2026-02-21 12:00 |
06:11:39.49 |
+23:43:35.6 |
HIP 29405 |
16.01 |
| 2026-02-22 00:00 |
06:11:33.21 |
+23:44:17.0 |
HIP 29405 |
15.56 |
| 2026-02-22 12:00 |
06:11:27.17 |
+23:44:58.2 |
HIP 29405 |
15.25 |
| 2026-02-23 00:00 |
06:11:21.39 |
+23:45:39.2 |
HIP 29405 |
15.07 |
| 2026-02-23 12:00 |
06:11:15.85 |
+23:46:20.0 |
HIP 29405 |
15.01 |
| 2026-02-24 00:00 |
06:11:10.56 |
+23:47:00.5 |
HIP 29405 |
15.06 |