메타데이터
| 항목 |
값 |
| Designation |
C/2024 M1 (ATLAS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2024-11-20T00:40:14.862720Z |
| Orbit solution date (soln_date, UTC) |
2026-03-07T14:43:02Z |
| Obs used |
1565 |
| NEO |
- |
| M1 |
14.300 |
| K1 |
4.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2024-06-29T10:08:51.388800Z |
| Discovery magnitude (MPC) |
17.86 o |
| Discovery observatory (MPC) |
W68 · ATLAS Chile, Rio Hurtado |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2024-12-03.0000000 |
| e |
0.94309352 |
| q (au) |
1.703373 |
| a (au) |
29.932839 |
| i (deg) |
73.710121 |
| Ω (om, deg) |
76.215098 |
| ω (w, deg) |
345.599965 |
| M (ma, deg) |
0.078071 |
밝기
산란 + 전체 선형
$$
M_a = (14.266 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
14.266 |
| n |
2.000 |
| gf |
0.800 |
| gb |
-0.732 |
| k |
0.971 |
| δ90 |
1.000 |
| 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
찾아보기
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-05-12 00:00 |
16:06:23.84 |
+62:41:30.8 |
HIP 78891 |
4.32 |
| 2026-05-12 12:00 |
16:05:42.70 |
+62:40:48.6 |
HIP 78891 |
6.35 |
| 2026-05-13 00:00 |
16:05:01.59 |
+62:40:03.1 |
HIP 78891 |
10.40 |
| 2026-05-13 12:00 |
16:04:20.51 |
+62:39:14.4 |
HIP 78891 |
14.90 |
| 2026-05-14 00:00 |
16:03:39.46 |
+62:38:22.4 |
HIP 78891 |
19.56 |
| 2026-05-14 12:00 |
16:02:58.47 |
+62:37:27.1 |
HIP 78802 |
23.91 |
| 2026-05-15 00:00 |
16:02:17.52 |
+62:36:28.6 |
HIP 78802 |
26.64 |
| 2026-05-15 12:00 |
16:01:36.63 |
+62:35:26.9 |
HIP 78802 |
29.88 |
| 2026-05-16 00:00 |
16:00:55.81 |
+62:34:21.9 |
HIP 78422 |
29.23 |
| 2026-05-16 12:00 |
16:00:15.06 |
+62:33:13.7 |
HIP 78422 |
28.10 |
| 2026-05-17 00:00 |
15:59:34.40 |
+62:32:02.3 |
HIP 78422 |
27.74 |
| 2026-05-17 12:00 |
15:58:53.82 |
+62:30:47.6 |
HIP 78422 |
28.18 |
| 2026-05-18 00:00 |
15:58:13.33 |
+62:29:29.8 |
HIP 77969 |
28.25 |
| 2026-05-18 12:00 |
15:57:32.94 |
+62:28:08.7 |
HIP 77969 |
24.13 |
| 2026-05-19 00:00 |
15:56:52.66 |
+62:26:44.5 |
HIP 77969 |
20.30 |
| 2026-05-19 12:00 |
15:56:12.50 |
+62:25:17.1 |
HIP 77969 |
16.97 |
| 2026-05-20 00:00 |
15:55:32.46 |
+62:23:46.5 |
HIP 77969 |
14.50 |
| 2026-05-20 12:00 |
15:54:52.54 |
+62:22:12.7 |
HIP 77969 |
13.38 |
| 2026-05-21 00:00 |
15:54:12.75 |
+62:20:35.8 |
HIP 77969 |
13.94 |
| 2026-05-21 12:00 |
15:53:33.11 |
+62:18:55.8 |
HIP 77969 |
16.01 |
| 2026-05-22 00:00 |
15:52:53.61 |
+62:17:12.7 |
HIP 77969 |
19.12 |
| 2026-05-22 12:00 |
15:52:14.27 |
+62:15:26.5 |
HIP 77969 |
22.84 |
| 2026-05-23 00:00 |
15:51:35.08 |
+62:13:37.2 |
HIP 77440 |
22.65 |
| 2026-05-23 12:00 |
15:50:56.05 |
+62:11:44.9 |
HIP 77440 |
19.19 |
| 2026-05-24 00:00 |
15:50:17.19 |
+62:09:49.5 |
HIP 77440 |
16.53 |
| 2026-05-24 12:00 |
15:49:38.51 |
+62:07:51.0 |
HIP 77440 |
15.09 |
| 2026-05-25 00:00 |
15:49:00.01 |
+62:05:49.6 |
HIP 77440 |
15.24 |
| 2026-05-25 12:00 |
15:48:21.69 |
+62:03:45.1 |
HIP 77440 |
16.93 |
| 2026-05-26 00:00 |
15:47:43.56 |
+62:01:37.7 |
HIP 77440 |
19.78 |
| 2026-05-26 12:00 |
15:47:05.63 |
+61:59:27.3 |
HIP 77440 |
23.37 |
| 2026-05-27 00:00 |
15:46:27.90 |
+61:57:14.0 |
HIP 77440 |
27.42 |
| 2026-05-27 12:00 |
15:45:50.37 |
+61:54:57.8 |
HIP 77440 |
31.75 |
| 2026-05-28 00:00 |
15:45:13.05 |
+61:52:38.6 |
HIP 76783 |
32.73 |
| 2026-05-28 12:00 |
15:44:35.95 |
+61:50:16.6 |
HIP 76776 |
28.76 |
| 2026-05-29 00:00 |
15:43:59.06 |
+61:47:51.7 |
HIP 76776 |
24.82 |
| 2026-05-29 12:00 |
15:43:22.40 |
+61:45:23.9 |
HIP 76776 |
21.34 |
| 2026-05-30 00:00 |
15:42:45.97 |
+61:42:53.4 |
HIP 76776 |
18.60 |
| 2026-05-30 12:00 |
15:42:09.76 |
+61:40:20.0 |
HIP 76776 |
16.95 |
| 2026-05-31 00:00 |
15:41:33.80 |
+61:37:43.9 |
HIP 76776 |
16.74 |
| 2026-05-31 12:00 |
15:40:58.07 |
+61:35:04.9 |
HIP 76776 |
18.01 |
| 2026-06-01 00:00 |
15:40:22.59 |
+61:32:23.3 |
HIP 76556 |
17.82 |
| 2026-06-01 12:00 |
15:39:47.35 |
+61:29:38.9 |
HIP 76556 |
12.90 |
| 2026-06-02 00:00 |
15:39:12.37 |
+61:26:51.8 |
HIP 76556 |
8.11 |