메타데이터
| 항목 |
값 |
| Designation |
C/2024 X1 (Fazekas) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2025-08-03T10:20:19.703040Z |
| Orbit solution date (soln_date, UTC) |
2026-04-27T13:42:21Z |
| Obs used |
173 |
| NEO |
- |
| M1 |
14.300 |
| K1 |
4.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2024-12-11T05:13:51.398400Z |
| Discovery magnitude (MPC) |
19.36 G |
| Discovery observatory (MPC) |
G96 · University of Arizona Mt. Lemmon Survey |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2025-07-16.0000000 |
| e |
0.59650357 |
| q (au) |
3.816724 |
| a (au) |
9.459127 |
| i (deg) |
6.464644 |
| Ω (om, deg) |
351.989979 |
| ω (w, deg) |
124.357332 |
| M (ma, deg) |
359.375588 |
밝기
산란 + 전체 선형
$$
M_a = (12.815 + 2.661\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
12.815 |
| n |
2.661 |
| gf |
0.801 |
| gb |
-0.975 |
| k |
1.000 |
| δ90 |
1.001 |
| 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
찾아보기
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
10:07:14.83 |
+12:40:10.9 |
HIP 49518 |
11.38 |
| 2026-06-01 12:00 |
10:07:34.05 |
+12:37:51.7 |
HIP 49655 |
15.60 |
| 2026-06-02 00:00 |
10:07:53.39 |
+12:35:31.9 |
HIP 49655 |
15.32 |
| 2026-06-02 12:00 |
10:08:12.86 |
+12:33:11.4 |
HIP 49655 |
16.79 |
| 2026-06-03 00:00 |
10:08:32.45 |
+12:30:50.2 |
HIP 49655 |
19.65 |
| 2026-06-03 12:00 |
10:08:52.17 |
+12:28:28.4 |
HIP 49655 |
23.40 |
| 2026-06-04 00:00 |
10:09:12.01 |
+12:26:05.9 |
HIP 49655 |
27.72 |
| 2026-06-04 12:00 |
10:09:31.97 |
+12:23:42.8 |
HIP 49669 |
30.79 |
| 2026-06-05 00:00 |
10:09:52.06 |
+12:21:19.0 |
HIP 49925 |
31.67 |
| 2026-06-05 12:00 |
10:10:12.26 |
+12:18:54.6 |
HIP 49925 |
26.30 |
| 2026-06-06 00:00 |
10:10:32.58 |
+12:16:29.5 |
HIP 49925 |
20.98 |
| 2026-06-06 12:00 |
10:10:53.02 |
+12:14:03.8 |
HIP 49925 |
15.75 |
| 2026-06-07 00:00 |
10:11:13.57 |
+12:11:37.5 |
HIP 49925 |
10.84 |
| 2026-06-07 12:00 |
10:11:34.24 |
+12:09:10.5 |
HIP 49925 |
6.99 |
| 2026-06-08 00:00 |
10:11:55.02 |
+12:06:42.9 |
HIP 49925 |
6.61 |
| 2026-06-08 12:00 |
10:12:15.92 |
+12:04:14.7 |
HIP 49925 |
10.13 |
| 2026-06-09 00:00 |
10:12:36.93 |
+12:01:45.8 |
HIP 50072 |
13.44 |
| 2026-06-09 12:00 |
10:12:58.05 |
+11:59:16.3 |
HIP 50072 |
11.40 |
| 2026-06-10 00:00 |
10:13:19.29 |
+11:56:46.3 |
HIP 50072 |
12.04 |
| 2026-06-10 12:00 |
10:13:40.63 |
+11:54:15.5 |
HIP 50072 |
15.07 |
| 2026-06-11 00:00 |
10:14:02.08 |
+11:51:44.2 |
HIP 50159 |
15.66 |
| 2026-06-11 12:00 |
10:14:23.64 |
+11:49:12.3 |
HIP 50225 |
11.98 |
| 2026-06-12 00:00 |
10:14:45.31 |
+11:46:39.7 |
HIP 50225 |
8.64 |
| 2026-06-12 12:00 |
10:15:07.09 |
+11:44:06.5 |
HIP 50225 |
8.66 |
| 2026-06-13 00:00 |
10:15:28.97 |
+11:41:32.8 |
HIP 50297 |
10.21 |
| 2026-06-13 12:00 |
10:15:50.95 |
+11:38:58.4 |
HIP 50297 |
4.85 |
| 2026-06-14 00:00 |
10:16:13.04 |
+11:36:23.4 |
HIP 50297 |
3.75 |
| 2026-06-14 12:00 |
10:16:35.23 |
+11:33:47.9 |
HIP 50297 |
8.77 |
| 2026-06-15 00:00 |
10:16:57.52 |
+11:31:11.7 |
HIP 50297 |
14.60 |
| 2026-06-15 12:00 |
10:17:19.91 |
+11:28:35.0 |
HIP 50424 |
13.17 |
| 2026-06-16 00:00 |
10:17:42.40 |
+11:25:57.7 |
HIP 50424 |
8.98 |
| 2026-06-16 12:00 |
10:18:04.99 |
+11:23:19.8 |
HIP 50424 |
7.90 |
| 2026-06-17 00:00 |
10:18:27.68 |
+11:20:41.3 |
HIP 50424 |
10.95 |
| 2026-06-17 12:00 |
10:18:50.47 |
+11:18:02.3 |
HIP 50424 |
15.93 |
| 2026-06-18 00:00 |
10:19:13.34 |
+11:15:22.7 |
HIP 50623 |
18.83 |
| 2026-06-18 12:00 |
10:19:36.32 |
+11:12:42.5 |
HIP 50623 |
14.92 |
| 2026-06-19 00:00 |
10:19:59.38 |
+11:10:01.8 |
HIP 50623 |
12.97 |
| 2026-06-19 12:00 |
10:20:22.54 |
+11:07:20.5 |
HIP 50623 |
13.86 |
| 2026-06-20 00:00 |
10:20:45.79 |
+11:04:38.7 |
HIP 50729 |
10.69 |
| 2026-06-20 12:00 |
10:21:09.12 |
+11:01:56.3 |
HIP 50729 |
5.67 |
| 2026-06-21 00:00 |
10:21:32.55 |
+10:59:13.4 |
HIP 50729 |
5.52 |
| 2026-06-21 12:00 |
10:21:56.07 |
+10:56:29.9 |
HIP 50729 |
10.49 |
| 2026-06-22 00:00 |
10:22:19.67 |
+10:53:46.0 |
HIP 50729 |
16.48 |