메타데이터
| 항목 |
값 |
| Designation |
463P/NEOWISE |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2023-03-29T19:41:35.615040Z |
| Orbit solution date (soln_date, UTC) |
2024-04-13T16:43:14Z |
| Obs used |
114 |
| NEO |
Yes |
| M1 |
18.300 |
| K1 |
8.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2018-04-22T23:03:48.672000Z |
| Discovery magnitude (MPC) |
19.00 R |
| Discovery observatory (MPC) |
C51 · WISE |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2021-08-07.0000000 |
| e |
0.82534605 |
| q (au) |
0.519825 |
| a (au) |
2.976315 |
| i (deg) |
29.440185 |
| Ω (om, deg) |
283.717498 |
| ω (w, deg) |
215.914075 |
| M (ma, deg) |
244.865061 |
밝기
산란 + 전체 선형
$$
M_a = (18.351 + 4.709\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
18.351 |
| n |
4.709 |
| gf |
1.000 |
| gb |
-1.000 |
| k |
0.893 |
| 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 |
21:55:32.26 |
+07:41:55.2 |
HIP 108286 |
14.39 |
| 2026-05-12 12:00 |
21:55:38.01 |
+07:44:39.9 |
HIP 108286 |
15.22 |
| 2026-05-13 00:00 |
21:55:43.61 |
+07:47:24.4 |
HIP 108286 |
16.61 |
| 2026-05-13 12:00 |
21:55:49.05 |
+07:50:08.6 |
HIP 108286 |
18.42 |
| 2026-05-14 00:00 |
21:55:54.34 |
+07:52:52.4 |
HIP 108286 |
20.53 |
| 2026-05-14 12:00 |
21:55:59.46 |
+07:55:36.0 |
HIP 108286 |
22.86 |
| 2026-05-15 00:00 |
21:56:04.43 |
+07:58:19.3 |
HIP 108380 |
22.49 |
| 2026-05-15 12:00 |
21:56:09.24 |
+08:01:02.2 |
HIP 108380 |
20.32 |
| 2026-05-16 00:00 |
21:56:13.88 |
+08:03:44.8 |
HIP 108380 |
18.40 |
| 2026-05-16 12:00 |
21:56:18.36 |
+08:06:27.1 |
HIP 108380 |
16.84 |
| 2026-05-17 00:00 |
21:56:22.68 |
+08:09:09.0 |
HIP 108380 |
15.70 |
| 2026-05-17 12:00 |
21:56:26.84 |
+08:11:50.5 |
HIP 108380 |
15.09 |
| 2026-05-18 00:00 |
21:56:30.83 |
+08:14:31.7 |
HIP 108380 |
15.04 |
| 2026-05-18 12:00 |
21:56:34.66 |
+08:17:12.5 |
HIP 108380 |
15.57 |
| 2026-05-19 00:00 |
21:56:38.32 |
+08:19:52.9 |
HIP 108380 |
16.59 |
| 2026-05-19 12:00 |
21:56:41.82 |
+08:22:32.8 |
HIP 108380 |
18.03 |
| 2026-05-20 00:00 |
21:56:45.14 |
+08:25:12.4 |
HIP 108380 |
19.77 |
| 2026-05-20 12:00 |
21:56:48.30 |
+08:27:51.6 |
HIP 108380 |
21.74 |
| 2026-05-21 00:00 |
21:56:51.29 |
+08:30:30.3 |
HIP 108380 |
23.88 |
| 2026-05-21 12:00 |
21:56:54.11 |
+08:33:08.6 |
HIP 108380 |
26.14 |
| 2026-05-22 00:00 |
21:56:56.76 |
+08:35:46.4 |
HIP 108380 |
28.49 |
| 2026-05-22 12:00 |
21:56:59.24 |
+08:38:23.8 |
HIP 108380 |
30.90 |
| 2026-05-23 00:00 |
21:57:01.55 |
+08:41:00.7 |
HIP 108380 |
33.35 |
| 2026-05-23 12:00 |
21:57:03.69 |
+08:43:37.1 |
HIP 108457 |
32.60 |
| 2026-05-24 00:00 |
21:57:05.65 |
+08:46:13.0 |
HIP 108457 |
30.18 |
| 2026-05-24 12:00 |
21:57:07.44 |
+08:48:48.5 |
HIP 108457 |
27.83 |
| 2026-05-25 00:00 |
21:57:09.06 |
+08:51:23.4 |
HIP 108457 |
25.57 |
| 2026-05-25 12:00 |
21:57:10.50 |
+08:53:57.9 |
HIP 108457 |
23.42 |
| 2026-05-26 00:00 |
21:57:11.76 |
+08:56:31.8 |
HIP 108457 |
21.41 |
| 2026-05-26 12:00 |
21:57:12.85 |
+08:59:05.2 |
HIP 108457 |
19.57 |
| 2026-05-27 00:00 |
21:57:13.77 |
+09:01:38.0 |
HIP 108457 |
17.96 |
| 2026-05-27 12:00 |
21:57:14.50 |
+09:04:10.4 |
HIP 108457 |
16.63 |
| 2026-05-28 00:00 |
21:57:15.06 |
+09:06:42.1 |
HIP 108457 |
15.64 |
| 2026-05-28 12:00 |
21:57:15.44 |
+09:09:13.3 |
HIP 108457 |
15.08 |
| 2026-05-29 00:00 |
21:57:15.65 |
+09:11:43.9 |
HIP 108457 |
14.96 |
| 2026-05-29 12:00 |
21:57:15.67 |
+09:14:13.9 |
HIP 108457 |
15.30 |
| 2026-05-30 00:00 |
21:57:15.51 |
+09:16:43.3 |
HIP 108457 |
16.07 |
| 2026-05-30 12:00 |
21:57:15.17 |
+09:19:12.2 |
HIP 108457 |
17.20 |
| 2026-05-31 00:00 |
21:57:14.65 |
+09:21:40.4 |
HIP 108457 |
18.63 |
| 2026-05-31 12:00 |
21:57:13.95 |
+09:24:07.9 |
HIP 108457 |
20.29 |
| 2026-06-01 00:00 |
21:57:13.06 |
+09:26:34.9 |
HIP 108457 |
22.12 |
| 2026-06-01 12:00 |
21:57:11.99 |
+09:29:01.2 |
HIP 108457 |
24.09 |
| 2026-06-02 00:00 |
21:57:10.73 |
+09:31:26.8 |
HIP 108457 |
26.15 |