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
$$
M_a = (2.150 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
2.150 |
| n |
6.000 |
| gf |
0.976 |
| gb |
-0.502 |
| k |
1.000 |
| δ90 |
9.948 |
| 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) |
| 2026-07-29 00:00 |
23:42:57.88 |
+02:38:15.5 |
HIP 116865 |
26.91 |
| 2026-07-29 12:00 |
23:42:51.58 |
+02:38:32.1 |
HIP 116865 |
25.58 |
| 2026-07-30 00:00 |
23:42:45.21 |
+02:38:48.3 |
HIP 116865 |
24.25 |
| 2026-07-30 12:00 |
23:42:38.77 |
+02:39:04.0 |
HIP 116865 |
22.95 |
| 2026-07-31 00:00 |
23:42:32.27 |
+02:39:19.3 |
HIP 116865 |
21.67 |
| 2026-07-31 12:00 |
23:42:25.69 |
+02:39:34.0 |
HIP 116865 |
20.42 |
| 2026-08-01 00:00 |
23:42:19.05 |
+02:39:48.3 |
HIP 116865 |
19.22 |
| 2026-08-01 12:00 |
23:42:12.34 |
+02:40:02.2 |
HIP 116865 |
18.07 |
| 2026-08-02 00:00 |
23:42:05.56 |
+02:40:15.5 |
HIP 116865 |
17.00 |
| 2026-08-02 12:00 |
23:41:58.72 |
+02:40:28.4 |
HIP 116865 |
16.02 |
| 2026-08-03 00:00 |
23:41:51.81 |
+02:40:40.8 |
HIP 116865 |
15.16 |
| 2026-08-03 12:00 |
23:41:44.84 |
+02:40:52.7 |
HIP 116865 |
14.45 |
| 2026-08-04 00:00 |
23:41:37.80 |
+02:41:04.2 |
HIP 116865 |
13.90 |
| 2026-08-04 12:00 |
23:41:30.70 |
+02:41:15.2 |
HIP 116865 |
13.56 |
| 2026-08-05 00:00 |
23:41:23.53 |
+02:41:25.8 |
HIP 116865 |
13.44 |
| 2026-08-05 12:00 |
23:41:16.30 |
+02:41:35.9 |
HIP 116865 |
13.55 |
| 2026-08-06 00:00 |
23:41:09.00 |
+02:41:45.5 |
HIP 116865 |
13.89 |
| 2026-08-06 12:00 |
23:41:01.65 |
+02:41:54.7 |
HIP 116865 |
14.45 |
| 2026-08-07 00:00 |
23:40:54.23 |
+02:42:03.4 |
HIP 116865 |
15.22 |
| 2026-08-07 12:00 |
23:40:46.75 |
+02:42:11.6 |
HIP 116786 |
14.35 |
| 2026-08-08 00:00 |
23:40:39.21 |
+02:42:19.5 |
HIP 116786 |
12.96 |
| 2026-08-08 12:00 |
23:40:31.61 |
+02:42:26.8 |
HIP 116786 |
11.70 |
| 2026-08-09 00:00 |
23:40:23.95 |
+02:42:33.7 |
HIP 116786 |
10.63 |
| 2026-08-09 12:00 |
23:40:16.23 |
+02:42:40.2 |
HIP 116786 |
9.83 |
| 2026-08-10 00:00 |
23:40:08.46 |
+02:42:46.2 |
HIP 116786 |
9.37 |
| 2026-08-10 12:00 |
23:40:00.62 |
+02:42:51.8 |
HIP 116786 |
9.31 |
| 2026-08-11 00:00 |
23:39:52.73 |
+02:42:57.0 |
HIP 116786 |
9.67 |
| 2026-08-11 12:00 |
23:39:44.78 |
+02:43:01.7 |
HIP 116786 |
10.41 |
| 2026-08-12 00:00 |
23:39:36.78 |
+02:43:05.9 |
HIP 116786 |
11.47 |
| 2026-08-12 12:00 |
23:39:28.72 |
+02:43:09.8 |
HIP 116786 |
12.76 |
| 2026-08-13 00:00 |
23:39:20.61 |
+02:43:13.2 |
HIP 116786 |
14.24 |
| 2026-08-13 12:00 |
23:39:12.45 |
+02:43:16.2 |
HIP 116786 |
15.86 |
| 2026-08-14 00:00 |
23:39:04.23 |
+02:43:18.8 |
HIP 116786 |
17.58 |
| 2026-08-14 12:00 |
23:38:55.96 |
+02:43:21.0 |
HIP 116786 |
19.38 |
| 2026-08-15 00:00 |
23:38:47.64 |
+02:43:22.7 |
HIP 116786 |
21.24 |
| 2026-08-15 12:00 |
23:38:39.27 |
+02:43:24.1 |
HIP 116786 |
23.15 |
| 2026-08-16 00:00 |
23:38:30.85 |
+02:43:25.0 |
HIP 116786 |
25.11 |
| 2026-08-16 12:00 |
23:38:22.39 |
+02:43:25.6 |
HIP 116786 |
27.10 |
| 2026-08-17 00:00 |
23:38:13.87 |
+02:43:25.7 |
HIP 116660 |
28.59 |
| 2026-08-17 12:00 |
23:38:05.31 |
+02:43:25.4 |
HIP 116660 |
28.91 |
| 2026-08-18 00:00 |
23:37:56.70 |
+02:43:24.8 |
HIP 116660 |
29.38 |
| 2026-08-18 12:00 |
23:37:48.05 |
+02:43:23.7 |
HIP 116660 |
30.00 |
| 2026-08-19 00:00 |
23:37:39.35 |
+02:43:22.3 |
HIP 116660 |
30.75 |