메타데이터
| 항목 |
값 |
| Designation |
C/2024 G1 (Wierzchos) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2024-10-21T02:22:13.702080Z |
| Orbit solution date (soln_date, UTC) |
2025-05-08T09:42:17Z |
| Obs used |
112 |
| NEO |
- |
| M1 |
7.200 |
| K1 |
16.000 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2024-07-09.0000000 |
| e |
0.96744521 |
| q (au) |
3.930143 |
| a (au) |
120.723934 |
| i (deg) |
95.400994 |
| Ω (om, deg) |
30.599798 |
| ω (w, deg) |
128.228357 |
| M (ma, deg) |
359.922650 |
밝기
산란 + 전체 선형
$$
M_a = (7.404 + 5.601\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
7.404 |
| n |
5.601 |
| gf |
0.996 |
| 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) |
| 2026-05-12 00:00 |
12:44:53.79 |
-32:30:41.6 |
HIP 62118 |
30.54 |
| 2026-05-12 12:00 |
12:44:28.75 |
-32:29:40.9 |
HIP 62118 |
27.72 |
| 2026-05-13 00:00 |
12:44:03.91 |
-32:28:39.7 |
HIP 62118 |
25.72 |
| 2026-05-13 12:00 |
12:43:39.27 |
-32:27:37.9 |
HIP 61964 |
21.99 |
| 2026-05-14 00:00 |
12:43:14.84 |
-32:26:35.6 |
HIP 61964 |
16.84 |
| 2026-05-14 12:00 |
12:42:50.62 |
-32:25:32.9 |
HIP 61964 |
11.84 |
| 2026-05-15 00:00 |
12:42:26.61 |
-32:24:29.6 |
HIP 61964 |
7.19 |
| 2026-05-15 12:00 |
12:42:02.81 |
-32:23:25.9 |
HIP 61964 |
4.12 |
| 2026-05-16 00:00 |
12:41:39.22 |
-32:22:21.9 |
HIP 61964 |
5.89 |
| 2026-05-16 12:00 |
12:41:15.85 |
-32:21:17.4 |
HIP 61964 |
10.17 |
| 2026-05-17 00:00 |
12:40:52.69 |
-32:20:12.5 |
HIP 61964 |
14.91 |
| 2026-05-17 12:00 |
12:40:29.75 |
-32:19:07.4 |
HIP 61964 |
19.74 |
| 2026-05-18 00:00 |
12:40:07.03 |
-32:18:01.9 |
HIP 61964 |
24.59 |
| 2026-05-18 12:00 |
12:39:44.52 |
-32:16:56.1 |
HIP 61627 |
25.95 |
| 2026-05-19 00:00 |
12:39:22.23 |
-32:15:50.0 |
HIP 61627 |
22.24 |
| 2026-05-19 12:00 |
12:39:00.17 |
-32:14:43.7 |
HIP 61627 |
19.07 |
| 2026-05-20 00:00 |
12:38:38.32 |
-32:13:37.2 |
HIP 61627 |
16.72 |
| 2026-05-20 12:00 |
12:38:16.70 |
-32:12:30.6 |
HIP 61627 |
15.53 |
| 2026-05-21 00:00 |
12:37:55.30 |
-32:11:23.7 |
HIP 61627 |
15.72 |
| 2026-05-21 12:00 |
12:37:34.13 |
-32:10:16.7 |
HIP 61627 |
17.21 |
| 2026-05-22 00:00 |
12:37:13.17 |
-32:09:09.6 |
HIP 61627 |
19.68 |
| 2026-05-22 12:00 |
12:36:52.45 |
-32:08:02.3 |
HIP 61627 |
22.77 |
| 2026-05-23 00:00 |
12:36:31.95 |
-32:06:55.0 |
HIP 61627 |
26.26 |
| 2026-05-23 12:00 |
12:36:11.67 |
-32:05:47.7 |
HIP 61382 |
22.91 |
| 2026-05-24 00:00 |
12:35:51.62 |
-32:04:40.3 |
HIP 61382 |
18.86 |
| 2026-05-24 12:00 |
12:35:31.80 |
-32:03:32.9 |
HIP 61382 |
15.03 |
| 2026-05-25 00:00 |
12:35:12.20 |
-32:02:25.5 |
HIP 61382 |
11.59 |
| 2026-05-25 12:00 |
12:34:52.83 |
-32:01:18.1 |
HIP 61382 |
8.96 |
| 2026-05-26 00:00 |
12:34:33.68 |
-32:00:10.8 |
HIP 61347 |
7.10 |
| 2026-05-26 12:00 |
12:34:14.77 |
-31:59:03.5 |
HIP 61347 |
6.54 |
| 2026-05-27 00:00 |
12:33:56.08 |
-31:57:56.3 |
HIP 61347 |
8.33 |
| 2026-05-27 12:00 |
12:33:37.62 |
-31:56:49.2 |
HIP 61347 |
11.36 |
| 2026-05-28 00:00 |
12:33:19.39 |
-31:55:42.3 |
HIP 61347 |
14.86 |
| 2026-05-28 12:00 |
12:33:01.38 |
-31:54:35.5 |
HIP 61347 |
18.54 |
| 2026-05-29 00:00 |
12:32:43.61 |
-31:53:28.9 |
HIP 61347 |
22.27 |
| 2026-05-29 12:00 |
12:32:26.06 |
-31:52:22.4 |
HIP 61082 |
21.82 |
| 2026-05-30 00:00 |
12:32:08.73 |
-31:51:16.2 |
HIP 61082 |
18.37 |
| 2026-05-30 12:00 |
12:31:51.64 |
-31:50:10.2 |
HIP 61082 |
15.16 |
| 2026-05-31 00:00 |
12:31:34.77 |
-31:49:04.4 |
HIP 61082 |
12.30 |
| 2026-05-31 12:00 |
12:31:18.14 |
-31:47:58.8 |
HIP 61082 |
10.06 |
| 2026-06-01 00:00 |
12:31:01.72 |
-31:46:53.6 |
HIP 61082 |
8.86 |
| 2026-06-01 12:00 |
12:30:45.54 |
-31:45:48.6 |
HIP 61082 |
9.07 |
| 2026-06-02 00:00 |
12:30:29.58 |
-31:44:43.9 |
HIP 61082 |
10.55 |