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) |
| 2026-05-12 00:00 |
23:43:14.88 |
+00:16:32.0 |
HIP 116984 |
5.07 |
| 2026-05-12 12:00 |
23:43:20.60 |
+00:17:59.7 |
HIP 116984 |
7.02 |
| 2026-05-13 00:00 |
23:43:26.25 |
+00:19:27.1 |
HIP 116984 |
9.00 |
| 2026-05-13 12:00 |
23:43:31.85 |
+00:20:54.1 |
HIP 116984 |
10.98 |
| 2026-05-14 00:00 |
23:43:37.38 |
+00:22:20.8 |
HIP 116984 |
12.95 |
| 2026-05-14 12:00 |
23:43:42.85 |
+00:23:47.1 |
HIP 116984 |
14.92 |
| 2026-05-15 00:00 |
23:43:48.25 |
+00:25:13.1 |
HIP 116984 |
16.87 |
| 2026-05-15 12:00 |
23:43:53.59 |
+00:26:38.7 |
HIP 117097 |
17.24 |
| 2026-05-16 00:00 |
23:43:58.87 |
+00:28:04.0 |
HIP 117097 |
15.46 |
| 2026-05-16 12:00 |
23:44:04.08 |
+00:29:28.9 |
HIP 117097 |
13.73 |
| 2026-05-17 00:00 |
23:44:09.22 |
+00:30:53.5 |
HIP 117097 |
12.07 |
| 2026-05-17 12:00 |
23:44:14.30 |
+00:32:17.7 |
HIP 117097 |
10.50 |
| 2026-05-18 00:00 |
23:44:19.31 |
+00:33:41.6 |
HIP 117097 |
9.06 |
| 2026-05-18 12:00 |
23:44:24.26 |
+00:35:05.0 |
HIP 117097 |
7.81 |
| 2026-05-19 00:00 |
23:44:29.13 |
+00:36:28.1 |
HIP 117097 |
6.84 |
| 2026-05-19 12:00 |
23:44:33.95 |
+00:37:50.9 |
HIP 117097 |
6.28 |
| 2026-05-20 00:00 |
23:44:38.69 |
+00:39:13.3 |
HIP 117097 |
6.21 |
| 2026-05-20 12:00 |
23:44:43.36 |
+00:40:35.3 |
HIP 117097 |
6.65 |
| 2026-05-21 00:00 |
23:44:47.97 |
+00:41:56.9 |
HIP 117097 |
7.48 |
| 2026-05-21 12:00 |
23:44:52.51 |
+00:43:18.1 |
HIP 117097 |
8.59 |
| 2026-05-22 00:00 |
23:44:56.98 |
+00:44:39.0 |
HIP 117097 |
9.87 |
| 2026-05-22 12:00 |
23:45:01.37 |
+00:45:59.5 |
HIP 117097 |
11.27 |
| 2026-05-23 00:00 |
23:45:05.70 |
+00:47:19.6 |
HIP 117097 |
12.72 |
| 2026-05-23 12:00 |
23:45:09.96 |
+00:48:39.3 |
HIP 117097 |
14.22 |
| 2026-05-24 00:00 |
23:45:14.15 |
+00:49:58.6 |
HIP 117097 |
15.74 |
| 2026-05-24 12:00 |
23:45:18.27 |
+00:51:17.6 |
HIP 117097 |
17.27 |
| 2026-05-25 00:00 |
23:45:22.32 |
+00:52:36.1 |
HIP 117097 |
18.81 |
| 2026-05-25 12:00 |
23:45:26.30 |
+00:53:54.3 |
HIP 117097 |
20.35 |
| 2026-05-26 00:00 |
23:45:30.21 |
+00:55:12.0 |
HIP 117097 |
21.89 |
| 2026-05-26 12:00 |
23:45:34.04 |
+00:56:29.4 |
HIP 117097 |
23.41 |
| 2026-05-27 00:00 |
23:45:37.80 |
+00:57:46.4 |
HIP 117097 |
24.93 |
| 2026-05-27 12:00 |
23:45:41.49 |
+00:59:03.0 |
HIP 117097 |
26.44 |
| 2026-05-28 00:00 |
23:45:45.11 |
+01:00:19.2 |
HIP 117097 |
27.94 |
| 2026-05-28 12:00 |
23:45:48.66 |
+01:01:34.9 |
HIP 117097 |
29.43 |
| 2026-05-29 00:00 |
23:45:52.13 |
+01:02:50.3 |
HIP 117097 |
30.90 |
| 2026-05-29 12:00 |
23:45:55.53 |
+01:04:05.3 |
HIP 117097 |
32.36 |
| 2026-05-30 00:00 |
23:45:58.86 |
+01:05:19.9 |
HIP 117097 |
33.81 |
| 2026-05-30 12:00 |
23:46:02.11 |
+01:06:34.0 |
HIP 117195 |
33.95 |
| 2026-05-31 00:00 |
23:46:05.29 |
+01:07:47.8 |
HIP 117195 |
32.83 |
| 2026-05-31 12:00 |
23:46:08.40 |
+01:09:01.1 |
HIP 117195 |
31.74 |
| 2026-06-01 00:00 |
23:46:11.43 |
+01:10:14.1 |
HIP 117195 |
30.68 |
| 2026-06-01 12:00 |
23:46:14.39 |
+01:11:26.6 |
HIP 117195 |
29.65 |
| 2026-06-02 00:00 |
23:46:17.27 |
+01:12:38.7 |
HIP 117195 |
28.66 |