메타데이터
| 항목 |
값 |
| Designation |
C/2022 N1 (Attard-Maury) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2022-09-10T01:06:56.952000Z |
| Orbit solution date (soln_date, UTC) |
2025-07-31T12:12:22Z |
| Obs used |
222 |
| NEO |
- |
| M1 |
17.600 |
| K1 |
4.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2022-07-02T07:43:58.080000Z |
| Discovery magnitude (MPC) |
17.20 G |
| Discovery observatory (MPC) |
W94 · MAPS, San Pedro de Atacama |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2022-08-01.0000000 |
| e |
0.96002870 |
| q (au) |
1.481828 |
| a (au) |
37.072286 |
| i (deg) |
164.740998 |
| Ω (om, deg) |
301.858165 |
| ω (w, deg) |
41.069648 |
| M (ma, deg) |
359.825138 |
밝기
산란 + 전체 선형
$$
M_a = (16.829 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
16.829 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.908 |
| 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) |
| 2026-06-01 00:00 |
07:50:49.55 |
+20:21:01.4 |
HIP 38308 |
4.90 |
| 2026-06-01 12:00 |
07:50:55.17 |
+20:20:42.1 |
HIP 38308 |
4.99 |
| 2026-06-02 00:00 |
07:51:00.84 |
+20:20:22.6 |
HIP 38308 |
5.44 |
| 2026-06-02 12:00 |
07:51:06.56 |
+20:20:02.9 |
HIP 38308 |
6.17 |
| 2026-06-03 00:00 |
07:51:12.33 |
+20:19:43.1 |
HIP 38308 |
7.11 |
| 2026-06-03 12:00 |
07:51:18.15 |
+20:19:23.2 |
HIP 38308 |
8.18 |
| 2026-06-04 00:00 |
07:51:24.02 |
+20:19:03.1 |
HIP 38308 |
9.35 |
| 2026-06-04 12:00 |
07:51:29.94 |
+20:18:42.9 |
HIP 38308 |
10.60 |
| 2026-06-05 00:00 |
07:51:35.90 |
+20:18:22.5 |
HIP 38308 |
11.89 |
| 2026-06-05 12:00 |
07:51:41.91 |
+20:18:02.0 |
HIP 38308 |
13.23 |
| 2026-06-06 00:00 |
07:51:47.97 |
+20:17:41.3 |
HIP 38308 |
14.59 |
| 2026-06-06 12:00 |
07:51:54.07 |
+20:17:20.5 |
HIP 38308 |
15.99 |
| 2026-06-07 00:00 |
07:52:00.21 |
+20:16:59.6 |
HIP 38501 |
16.37 |
| 2026-06-07 12:00 |
07:52:06.41 |
+20:16:38.5 |
HIP 38501 |
14.90 |
| 2026-06-08 00:00 |
07:52:12.64 |
+20:16:17.3 |
HIP 38501 |
13.42 |
| 2026-06-08 12:00 |
07:52:18.92 |
+20:15:55.9 |
HIP 38501 |
11.93 |
| 2026-06-09 00:00 |
07:52:25.25 |
+20:15:34.4 |
HIP 38501 |
10.45 |
| 2026-06-09 12:00 |
07:52:31.61 |
+20:15:12.8 |
HIP 38501 |
8.97 |
| 2026-06-10 00:00 |
07:52:38.02 |
+20:14:51.1 |
HIP 38501 |
7.50 |
| 2026-06-10 12:00 |
07:52:44.47 |
+20:14:29.2 |
HIP 38501 |
6.06 |
| 2026-06-11 00:00 |
07:52:50.96 |
+20:14:07.1 |
HIP 38501 |
4.68 |
| 2026-06-11 12:00 |
07:52:57.49 |
+20:13:45.0 |
HIP 38501 |
3.47 |
| 2026-06-12 00:00 |
07:53:04.06 |
+20:13:22.7 |
HIP 38501 |
2.66 |
| 2026-06-12 12:00 |
07:53:10.67 |
+20:13:00.3 |
HIP 38501 |
2.68 |
| 2026-06-13 00:00 |
07:53:17.32 |
+20:12:37.8 |
HIP 38501 |
3.53 |
| 2026-06-13 12:00 |
07:53:24.00 |
+20:12:15.1 |
HIP 38501 |
4.78 |
| 2026-06-14 00:00 |
07:53:30.73 |
+20:11:52.3 |
HIP 38501 |
6.22 |
| 2026-06-14 12:00 |
07:53:37.49 |
+20:11:29.4 |
HIP 38501 |
7.74 |
| 2026-06-15 00:00 |
07:53:44.29 |
+20:11:06.3 |
HIP 38501 |
9.30 |
| 2026-06-15 12:00 |
07:53:51.12 |
+20:10:43.2 |
HIP 38501 |
10.90 |
| 2026-06-16 00:00 |
07:53:57.99 |
+20:10:19.9 |
HIP 38501 |
12.51 |
| 2026-06-16 12:00 |
07:54:04.89 |
+20:09:56.5 |
HIP 38501 |
14.15 |
| 2026-06-17 00:00 |
07:54:11.83 |
+20:09:33.0 |
HIP 38501 |
15.80 |
| 2026-06-17 12:00 |
07:54:18.80 |
+20:09:09.3 |
HIP 38501 |
17.46 |
| 2026-06-18 00:00 |
07:54:25.81 |
+20:08:45.6 |
HIP 38501 |
19.14 |
| 2026-06-18 12:00 |
07:54:32.84 |
+20:08:21.7 |
HIP 38501 |
20.82 |
| 2026-06-19 00:00 |
07:54:39.91 |
+20:07:57.7 |
HIP 38722 |
20.52 |
| 2026-06-19 12:00 |
07:54:47.01 |
+20:07:33.7 |
HIP 38722 |
19.11 |
| 2026-06-20 00:00 |
07:54:54.13 |
+20:07:09.5 |
HIP 38722 |
17.74 |
| 2026-06-20 12:00 |
07:55:01.29 |
+20:06:45.2 |
HIP 38722 |
16.44 |
| 2026-06-21 00:00 |
07:55:08.48 |
+20:06:20.7 |
HIP 38722 |
15.21 |
| 2026-06-21 12:00 |
07:55:15.69 |
+20:05:56.2 |
HIP 38722 |
14.09 |
| 2026-06-22 00:00 |
07:55:22.94 |
+20:05:31.6 |
HIP 38722 |
13.10 |