메타데이터
| 항목 |
값 |
| Designation |
P/2023 M1 (PANSTARRS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2023-12-14T10:50:57.154560Z |
| Orbit solution date (soln_date, UTC) |
2023-06-30T22:18:01Z |
| Obs used |
37 |
| NEO |
- |
| M1 |
7.500 |
| K1 |
22.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2023-06-16T09:48:14.918400Z |
| Discovery magnitude (MPC) |
20.42 w |
| Discovery observatory (MPC) |
F51 · Pan-STARRS 1, Haleakala |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2023-06-04.0000000 |
| e |
0.58789811 |
| q (au) |
2.825892 |
| a (au) |
6.857265 |
| i (deg) |
12.289932 |
| Ω (om, deg) |
216.866513 |
| ω (w, deg) |
79.702108 |
| M (ma, deg) |
349.381798 |
밝기
산란 + 전체 선형
$$
M_a = (14.340 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
14.340 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.741 |
| 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) |
| 2026-05-12 00:00 |
03:32:03.78 |
+15:38:22.3 |
HIP 16532 |
13.16 |
| 2026-05-12 12:00 |
03:32:25.71 |
+15:39:23.7 |
HIP 16532 |
9.29 |
| 2026-05-13 00:00 |
03:32:47.64 |
+15:40:24.9 |
HIP 16532 |
7.57 |
| 2026-05-13 12:00 |
03:33:09.57 |
+15:41:25.7 |
HIP 16532 |
9.28 |
| 2026-05-14 00:00 |
03:33:31.50 |
+15:42:26.3 |
HIP 16627 |
7.73 |
| 2026-05-14 12:00 |
03:33:53.42 |
+15:43:26.6 |
HIP 16627 |
5.94 |
| 2026-05-15 00:00 |
03:34:15.34 |
+15:44:26.7 |
HIP 16627 |
8.28 |
| 2026-05-15 12:00 |
03:34:37.25 |
+15:45:26.4 |
HIP 16627 |
12.62 |
| 2026-05-16 00:00 |
03:34:59.16 |
+15:46:25.9 |
HIP 16627 |
17.54 |
| 2026-05-16 12:00 |
03:35:21.06 |
+15:47:25.1 |
HIP 16627 |
22.66 |
| 2026-05-17 00:00 |
03:35:42.95 |
+15:48:24.0 |
HIP 16865 |
19.15 |
| 2026-05-17 12:00 |
03:36:04.83 |
+15:49:22.6 |
HIP 16865 |
13.87 |
| 2026-05-18 00:00 |
03:36:26.71 |
+15:50:20.9 |
HIP 16865 |
8.66 |
| 2026-05-18 12:00 |
03:36:48.57 |
+15:51:18.8 |
HIP 16865 |
3.88 |
| 2026-05-19 00:00 |
03:37:10.43 |
+15:52:16.5 |
HIP 16865 |
3.50 |
| 2026-05-19 12:00 |
03:37:32.28 |
+15:53:13.9 |
HIP 16865 |
8.15 |
| 2026-05-20 00:00 |
03:37:54.11 |
+15:54:11.0 |
HIP 16865 |
13.33 |
| 2026-05-20 12:00 |
03:38:15.93 |
+15:55:07.8 |
HIP 16865 |
18.59 |
| 2026-05-21 00:00 |
03:38:37.74 |
+15:56:04.3 |
HIP 16865 |
23.87 |
| 2026-05-21 12:00 |
03:38:59.53 |
+15:57:00.4 |
HIP 17121 |
28.61 |
| 2026-05-22 00:00 |
03:39:21.31 |
+15:57:56.2 |
HIP 17121 |
25.46 |
| 2026-05-22 12:00 |
03:39:43.07 |
+15:58:51.8 |
HIP 17121 |
23.12 |
| 2026-05-23 00:00 |
03:40:04.82 |
+15:59:47.0 |
HIP 17121 |
21.86 |
| 2026-05-23 12:00 |
03:40:26.56 |
+16:00:41.8 |
HIP 17121 |
21.84 |
| 2026-05-24 00:00 |
03:40:48.27 |
+16:01:36.4 |
HIP 17121 |
23.08 |
| 2026-05-24 12:00 |
03:41:09.97 |
+16:02:30.6 |
HIP 17318 |
22.72 |
| 2026-05-25 00:00 |
03:41:31.65 |
+16:03:24.5 |
HIP 17318 |
19.46 |
| 2026-05-25 12:00 |
03:41:53.31 |
+16:04:18.1 |
HIP 17318 |
17.24 |
| 2026-05-26 00:00 |
03:42:14.96 |
+16:05:11.4 |
HIP 17318 |
16.47 |
| 2026-05-26 12:00 |
03:42:36.58 |
+16:06:04.3 |
HIP 17318 |
17.35 |
| 2026-05-27 00:00 |
03:42:58.18 |
+16:06:56.9 |
HIP 17413 |
14.17 |
| 2026-05-27 12:00 |
03:43:19.76 |
+16:07:49.1 |
HIP 17413 |
10.17 |
| 2026-05-28 00:00 |
03:43:41.32 |
+16:08:41.0 |
HIP 17413 |
7.81 |
| 2026-05-28 12:00 |
03:44:02.86 |
+16:09:32.6 |
HIP 17413 |
8.59 |
| 2026-05-29 00:00 |
03:44:24.38 |
+16:10:23.9 |
HIP 17413 |
11.88 |
| 2026-05-29 12:00 |
03:44:45.87 |
+16:11:14.8 |
HIP 17413 |
16.23 |
| 2026-05-30 00:00 |
03:45:07.34 |
+16:12:05.3 |
HIP 17610 |
20.39 |
| 2026-05-30 12:00 |
03:45:28.79 |
+16:12:55.5 |
HIP 17610 |
15.65 |
| 2026-05-31 00:00 |
03:45:50.21 |
+16:13:45.4 |
HIP 17610 |
11.33 |
| 2026-05-31 12:00 |
03:46:11.61 |
+16:14:34.9 |
HIP 17610 |
8.15 |
| 2026-06-01 00:00 |
03:46:32.98 |
+16:15:24.1 |
HIP 17610 |
7.65 |
| 2026-06-01 12:00 |
03:46:54.32 |
+16:16:12.9 |
HIP 17610 |
10.23 |
| 2026-06-02 00:00 |
03:47:15.64 |
+16:17:01.4 |
HIP 17610 |
14.29 |