메타데이터
| 항목 |
값 |
| Designation |
C/2020 H3 (Wierzchos) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2020-06-03T13:35:43.509120Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:34:05Z |
| Obs used |
131 |
| NEO |
- |
| M1 |
7.400 |
| K1 |
27.500 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2020-06-11.0000000 |
| e |
1.00221882 |
| q (au) |
2.304388 |
| a (au) |
-1038.566850 |
| i (deg) |
62.368384 |
| Ω (om, deg) |
270.569348 |
| ω (w, deg) |
29.607609 |
| M (ma, deg) |
0.000219 |
밝기
산란 + 전체 선형
$$
M_a = (11.149 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
11.149 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.916 |
| 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) |
| 2026-05-12 00:00 |
05:21:17.72 |
+35:18:51.2 |
HIP 25027 |
2.69 |
| 2026-05-12 12:00 |
05:21:25.52 |
+35:18:35.1 |
HIP 25027 |
1.08 |
| 2026-05-13 00:00 |
05:21:33.34 |
+35:18:19.2 |
HIP 25027 |
0.54 |
| 2026-05-13 12:00 |
05:21:41.18 |
+35:18:03.5 |
HIP 25027 |
2.16 |
| 2026-05-14 00:00 |
05:21:49.06 |
+35:17:48.0 |
HIP 25027 |
3.79 |
| 2026-05-14 12:00 |
05:21:56.96 |
+35:17:32.6 |
HIP 25027 |
5.42 |
| 2026-05-15 00:00 |
05:22:04.89 |
+35:17:17.4 |
HIP 25027 |
7.06 |
| 2026-05-15 12:00 |
05:22:12.84 |
+35:17:02.3 |
HIP 25027 |
8.70 |
| 2026-05-16 00:00 |
05:22:20.82 |
+35:16:47.4 |
HIP 25027 |
10.35 |
| 2026-05-16 12:00 |
05:22:28.82 |
+35:16:32.7 |
HIP 25027 |
12.00 |
| 2026-05-17 00:00 |
05:22:36.85 |
+35:16:18.1 |
HIP 25027 |
13.65 |
| 2026-05-17 12:00 |
05:22:44.90 |
+35:16:03.7 |
HIP 25027 |
15.31 |
| 2026-05-18 00:00 |
05:22:52.97 |
+35:15:49.5 |
HIP 25027 |
16.98 |
| 2026-05-18 12:00 |
05:23:01.07 |
+35:15:35.4 |
HIP 25027 |
18.65 |
| 2026-05-19 00:00 |
05:23:09.19 |
+35:15:21.5 |
HIP 25027 |
20.32 |
| 2026-05-19 12:00 |
05:23:17.33 |
+35:15:07.8 |
HIP 25027 |
22.00 |
| 2026-05-20 00:00 |
05:23:25.49 |
+35:14:54.2 |
HIP 25027 |
23.68 |
| 2026-05-20 12:00 |
05:23:33.67 |
+35:14:40.8 |
HIP 25027 |
25.37 |
| 2026-05-21 00:00 |
05:23:41.87 |
+35:14:27.6 |
HIP 25027 |
27.05 |
| 2026-05-21 12:00 |
05:23:50.09 |
+35:14:14.5 |
HIP 25341 |
28.04 |
| 2026-05-22 00:00 |
05:23:58.33 |
+35:14:01.5 |
HIP 25341 |
26.89 |
| 2026-05-22 12:00 |
05:24:06.59 |
+35:13:48.7 |
HIP 25341 |
25.79 |
| 2026-05-23 00:00 |
05:24:14.87 |
+35:13:36.1 |
HIP 25341 |
24.76 |
| 2026-05-23 12:00 |
05:24:23.16 |
+35:13:23.7 |
HIP 25341 |
23.81 |
| 2026-05-24 00:00 |
05:24:31.47 |
+35:13:11.4 |
HIP 25341 |
22.95 |
| 2026-05-24 12:00 |
05:24:39.80 |
+35:12:59.2 |
HIP 25341 |
22.20 |
| 2026-05-25 00:00 |
05:24:48.14 |
+35:12:47.2 |
HIP 25341 |
21.55 |
| 2026-05-25 12:00 |
05:24:56.50 |
+35:12:35.4 |
HIP 25341 |
21.03 |
| 2026-05-26 00:00 |
05:25:04.87 |
+35:12:23.7 |
HIP 25341 |
20.64 |
| 2026-05-26 12:00 |
05:25:13.26 |
+35:12:12.2 |
HIP 25341 |
20.39 |
| 2026-05-27 00:00 |
05:25:21.66 |
+35:12:00.9 |
HIP 25341 |
20.29 |
| 2026-05-27 12:00 |
05:25:30.08 |
+35:11:49.6 |
HIP 25341 |
20.33 |
| 2026-05-28 00:00 |
05:25:38.51 |
+35:11:38.6 |
HIP 25341 |
20.53 |
| 2026-05-28 12:00 |
05:25:46.95 |
+35:11:27.7 |
HIP 25341 |
20.88 |
| 2026-05-29 00:00 |
05:25:55.40 |
+35:11:16.9 |
HIP 25476 |
20.14 |
| 2026-05-29 12:00 |
05:26:03.87 |
+35:11:06.3 |
HIP 25476 |
19.31 |
| 2026-05-30 00:00 |
05:26:12.35 |
+35:10:55.9 |
HIP 25476 |
18.60 |
| 2026-05-30 12:00 |
05:26:20.84 |
+35:10:45.6 |
HIP 25476 |
18.02 |
| 2026-05-31 00:00 |
05:26:29.34 |
+35:10:35.4 |
HIP 25476 |
17.60 |
| 2026-05-31 12:00 |
05:26:37.85 |
+35:10:25.4 |
HIP 25476 |
17.34 |
| 2026-06-01 00:00 |
05:26:46.37 |
+35:10:15.6 |
HIP 25476 |
17.26 |
| 2026-06-01 12:00 |
05:26:54.90 |
+35:10:05.9 |
HIP 25476 |
17.34 |
| 2026-06-02 00:00 |
05:27:03.44 |
+35:09:56.3 |
HIP 25476 |
17.60 |