C/2022 F1 (ATLAS)
메타데이터
| 항목 |
값 |
| Designation |
C/2022 F1 (ATLAS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2022-08-05T05:09:46.437120Z |
| Orbit solution date (soln_date, UTC) |
2024-08-11T00:12:15Z |
| Obs used |
133 |
| NEO |
- |
| M1 |
6.600 |
| K1 |
10.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2022-03-30T07:09:54.633600Z |
| Discovery magnitude (MPC) |
18.67 o |
| Discovery observatory (MPC) |
W68 · ATLAS Chile, Rio Hurtado |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2023-04-07.0000000 |
| e |
0.99936046 |
| q (au) |
5.974611 |
| a (au) |
9342.022012 |
| i (deg) |
57.973045 |
| Ω (om, deg) |
350.654799 |
| ω (w, deg) |
278.276791 |
| M (ma, deg) |
0.000267 |
밝기
산란 + 전체 선형
$$
M_a = (2.149 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
2.149 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.502 |
| 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) |
| 2026-02-03 00:00 |
23:14:01.05 |
-05:27:20.4 |
HIP 114724 |
35.86 |
| 2026-02-03 12:00 |
23:14:10.01 |
-05:25:34.1 |
HIP 114677 |
36.40 |
| 2026-02-04 00:00 |
23:14:19.01 |
-05:23:47.6 |
HIP 114677 |
34.99 |
| 2026-02-04 12:00 |
23:14:28.03 |
-05:22:01.0 |
HIP 114677 |
33.77 |
| 2026-02-05 00:00 |
23:14:37.09 |
-05:20:14.2 |
HIP 114677 |
32.76 |
| 2026-02-05 12:00 |
23:14:46.19 |
-05:18:27.2 |
HIP 114677 |
31.97 |
| 2026-02-06 00:00 |
23:14:55.32 |
-05:16:40.1 |
HIP 114677 |
31.43 |
| 2026-02-06 12:00 |
23:15:04.48 |
-05:14:52.8 |
HIP 114677 |
31.15 |
| 2026-02-07 00:00 |
23:15:13.67 |
-05:13:05.4 |
HIP 114677 |
31.15 |
| 2026-02-07 12:00 |
23:15:22.89 |
-05:11:17.9 |
HIP 114677 |
31.42 |
| 2026-02-08 00:00 |
23:15:32.14 |
-05:09:30.2 |
HIP 114677 |
31.95 |
| 2026-02-08 12:00 |
23:15:41.43 |
-05:07:42.4 |
HIP 114960 |
32.66 |
| 2026-02-09 00:00 |
23:15:50.74 |
-05:05:54.4 |
HIP 114960 |
32.72 |
| 2026-02-09 12:00 |
23:16:00.09 |
-05:04:06.3 |
HIP 114960 |
33.04 |
| 2026-02-10 00:00 |
23:16:09.46 |
-05:02:18.1 |
HIP 114803 |
32.67 |
| 2026-02-10 12:00 |
23:16:18.86 |
-05:00:29.7 |
HIP 114803 |
32.00 |
| 2026-02-11 00:00 |
23:16:28.28 |
-04:58:41.3 |
HIP 114803 |
31.61 |
| 2026-02-11 12:00 |
23:16:37.74 |
-04:56:52.6 |
HIP 114803 |
31.49 |
| 2026-02-12 00:00 |
23:16:47.22 |
-04:55:03.9 |
HIP 115030 |
28.97 |
| 2026-02-12 12:00 |
23:16:56.72 |
-04:53:15.1 |
HIP 115030 |
26.14 |
| 2026-02-13 00:00 |
23:17:06.25 |
-04:51:26.1 |
HIP 115030 |
23.35 |
| 2026-02-13 12:00 |
23:17:15.81 |
-04:49:37.0 |
HIP 115030 |
20.60 |
| 2026-02-14 00:00 |
23:17:25.39 |
-04:47:47.8 |
HIP 115030 |
17.94 |
| 2026-02-14 12:00 |
23:17:34.99 |
-04:45:58.6 |
HIP 115030 |
15.39 |
| 2026-02-15 00:00 |
23:17:44.61 |
-04:44:09.2 |
HIP 115030 |
13.04 |
| 2026-02-15 12:00 |
23:17:54.26 |
-04:42:19.7 |
HIP 115030 |
11.02 |
| 2026-02-16 00:00 |
23:18:03.93 |
-04:40:30.1 |
HIP 115030 |
9.54 |
| 2026-02-16 12:00 |
23:18:13.62 |
-04:38:40.4 |
HIP 115030 |
8.88 |
| 2026-02-17 00:00 |
23:18:23.33 |
-04:36:50.6 |
HIP 115030 |
9.22 |
| 2026-02-17 12:00 |
23:18:33.06 |
-04:35:00.7 |
HIP 115030 |
10.48 |
| 2026-02-18 00:00 |
23:18:42.81 |
-04:33:10.8 |
HIP 115030 |
12.37 |
| 2026-02-18 12:00 |
23:18:52.58 |
-04:31:20.7 |
HIP 115030 |
14.66 |
| 2026-02-19 00:00 |
23:19:02.36 |
-04:29:30.6 |
HIP 115030 |
17.20 |
| 2026-02-19 12:00 |
23:19:12.17 |
-04:27:40.4 |
HIP 115030 |
19.88 |
| 2026-02-20 00:00 |
23:19:21.99 |
-04:25:50.1 |
HIP 115030 |
22.67 |
| 2026-02-20 12:00 |
23:19:31.82 |
-04:23:59.8 |
HIP 115030 |
25.52 |
| 2026-02-21 00:00 |
23:19:41.68 |
-04:22:09.4 |
HIP 115220 |
28.32 |
| 2026-02-21 12:00 |
23:19:51.54 |
-04:20:18.9 |
HIP 115220 |
25.89 |
| 2026-02-22 00:00 |
23:20:01.42 |
-04:18:28.4 |
HIP 115220 |
23.61 |
| 2026-02-22 12:00 |
23:20:11.32 |
-04:16:37.8 |
HIP 115220 |
21.52 |
| 2026-02-23 00:00 |
23:20:21.23 |
-04:14:47.1 |
HIP 115220 |
19.70 |
| 2026-02-23 12:00 |
23:20:31.15 |
-04:12:56.4 |
HIP 115220 |
18.22 |
| 2026-02-24 00:00 |
23:20:41.08 |
-04:11:05.6 |
HIP 115220 |
17.17 |