메타데이터
| 항목 |
값 |
| Designation |
C/2024 Y1 (Masek) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2024-11-26T20:36:13.553280Z |
| Orbit solution date (soln_date, UTC) |
2025-02-13T09:13:00Z |
| Obs used |
98 |
| NEO |
- |
| M1 |
17.800 |
| K1 |
17.750 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2024-12-25T01:50:03.552000Z |
| Discovery magnitude (MPC) |
15.30 V |
| Discovery observatory (MPC) |
I47 · Pierre Auger Observatory, Malargüe |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2024-12-31.0000000 |
| e |
0.98668110 |
| q (au) |
0.822345 |
| a (au) |
61.742672 |
| i (deg) |
64.749901 |
| Ω (om, deg) |
112.545653 |
| ω (w, deg) |
238.138955 |
| M (ma, deg) |
0.069360 |
밝기
산란 + 전체 선형
$$
M_a = (15.657 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
15.657 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-1.000 |
| k |
0.800 |
| 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 |
07:55:22.45 |
+35:33:08.1 |
HIP 38723 |
9.17 |
| 2026-06-01 12:00 |
07:55:39.03 |
+35:32:31.6 |
HIP 38723 |
7.77 |
| 2026-06-02 00:00 |
07:55:55.69 |
+35:31:55.1 |
HIP 38723 |
7.76 |
| 2026-06-02 12:00 |
07:56:12.41 |
+35:31:18.6 |
HIP 38723 |
9.17 |
| 2026-06-03 00:00 |
07:56:29.20 |
+35:30:42.2 |
HIP 38723 |
11.49 |
| 2026-06-03 12:00 |
07:56:46.06 |
+35:30:05.8 |
HIP 38723 |
14.31 |
| 2026-06-04 00:00 |
07:57:02.98 |
+35:29:29.5 |
HIP 38723 |
17.38 |
| 2026-06-04 12:00 |
07:57:19.97 |
+35:28:53.2 |
HIP 38723 |
20.60 |
| 2026-06-05 00:00 |
07:57:37.01 |
+35:28:17.0 |
HIP 38723 |
23.92 |
| 2026-06-05 12:00 |
07:57:54.12 |
+35:27:40.8 |
HIP 38723 |
27.30 |
| 2026-06-06 00:00 |
07:58:11.30 |
+35:27:04.7 |
HIP 39159 |
30.36 |
| 2026-06-06 12:00 |
07:58:28.53 |
+35:26:28.7 |
HIP 39159 |
27.29 |
| 2026-06-07 00:00 |
07:58:45.83 |
+35:25:52.7 |
HIP 39159 |
24.33 |
| 2026-06-07 12:00 |
07:59:03.18 |
+35:25:16.7 |
HIP 39159 |
21.56 |
| 2026-06-08 00:00 |
07:59:20.59 |
+35:24:40.9 |
HIP 39159 |
19.04 |
| 2026-06-08 12:00 |
07:59:38.06 |
+35:24:05.1 |
HIP 39159 |
16.90 |
| 2026-06-09 00:00 |
07:59:55.58 |
+35:23:29.3 |
HIP 39159 |
15.32 |
| 2026-06-09 12:00 |
08:00:13.17 |
+35:22:53.6 |
HIP 39159 |
14.48 |
| 2026-06-10 00:00 |
08:00:30.80 |
+35:22:18.0 |
HIP 39159 |
14.53 |
| 2026-06-10 12:00 |
08:00:48.49 |
+35:21:42.5 |
HIP 39279 |
13.94 |
| 2026-06-11 00:00 |
08:01:06.24 |
+35:21:07.1 |
HIP 39279 |
10.63 |
| 2026-06-11 12:00 |
08:01:24.04 |
+35:20:31.7 |
HIP 39279 |
7.65 |
| 2026-06-12 00:00 |
08:01:41.89 |
+35:19:56.4 |
HIP 39279 |
5.55 |
| 2026-06-12 12:00 |
08:01:59.79 |
+35:19:21.2 |
HIP 39279 |
5.51 |
| 2026-06-13 00:00 |
08:02:17.74 |
+35:18:46.1 |
HIP 39279 |
7.57 |
| 2026-06-13 12:00 |
08:02:35.74 |
+35:18:11.0 |
HIP 39279 |
10.58 |
| 2026-06-14 00:00 |
08:02:53.78 |
+35:17:36.1 |
HIP 39279 |
13.94 |
| 2026-06-14 12:00 |
08:03:11.88 |
+35:17:01.2 |
HIP 39456 |
11.84 |
| 2026-06-15 00:00 |
08:03:30.02 |
+35:16:26.4 |
HIP 39456 |
10.03 |
| 2026-06-15 12:00 |
08:03:48.21 |
+35:15:51.8 |
HIP 39456 |
9.44 |
| 2026-06-16 00:00 |
08:04:06.44 |
+35:15:17.2 |
HIP 39456 |
10.29 |
| 2026-06-16 12:00 |
08:04:24.71 |
+35:14:42.7 |
HIP 39456 |
12.28 |
| 2026-06-17 00:00 |
08:04:43.03 |
+35:14:08.4 |
HIP 39456 |
14.98 |
| 2026-06-17 12:00 |
08:05:01.39 |
+35:13:34.1 |
HIP 39456 |
18.08 |
| 2026-06-18 00:00 |
08:05:19.79 |
+35:13:00.0 |
HIP 39456 |
21.41 |
| 2026-06-18 12:00 |
08:05:38.22 |
+35:12:26.0 |
HIP 39456 |
24.88 |
| 2026-06-19 00:00 |
08:05:56.70 |
+35:11:52.1 |
HIP 39667 |
26.05 |
| 2026-06-19 12:00 |
08:06:15.22 |
+35:11:18.3 |
HIP 39667 |
25.02 |
| 2026-06-20 00:00 |
08:06:33.77 |
+35:10:44.6 |
HIP 39667 |
24.55 |
| 2026-06-20 12:00 |
08:06:52.36 |
+35:10:11.1 |
HIP 39703 |
23.73 |
| 2026-06-21 00:00 |
08:07:10.98 |
+35:09:37.6 |
HIP 39703 |
23.36 |
| 2026-06-21 12:00 |
08:07:29.64 |
+35:09:04.3 |
HIP 39881 |
22.27 |
| 2026-06-22 00:00 |
08:07:48.33 |
+35:08:31.2 |
HIP 39881 |
19.30 |