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) |
| 2026-06-01 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 |
| 2026-06-02 12:00 |
03:47:36.93 |
+16:17:49.5 |
HIP 17610 |
18.90 |
| 2026-06-03 00:00 |
03:47:58.19 |
+16:18:37.3 |
HIP 17830 |
16.56 |
| 2026-06-03 12:00 |
03:48:19.42 |
+16:19:24.7 |
HIP 17830 |
12.03 |
| 2026-06-04 00:00 |
03:48:40.63 |
+16:20:11.8 |
HIP 17830 |
8.28 |
| 2026-06-04 12:00 |
03:49:01.80 |
+16:20:58.4 |
HIP 17830 |
6.74 |
| 2026-06-05 00:00 |
03:49:22.95 |
+16:21:44.8 |
HIP 17830 |
8.67 |
| 2026-06-05 12:00 |
03:49:44.06 |
+16:22:30.8 |
HIP 17830 |
12.54 |
| 2026-06-06 00:00 |
03:50:05.14 |
+16:23:16.4 |
HIP 17830 |
17.08 |
| 2026-06-06 12:00 |
03:50:26.19 |
+16:24:01.6 |
HIP 17830 |
21.87 |
| 2026-06-07 00:00 |
03:50:47.21 |
+16:24:46.5 |
HIP 17944 |
26.07 |
| 2026-06-07 12:00 |
03:51:08.20 |
+16:25:31.0 |
HIP 17944 |
28.71 |
| 2026-06-08 00:00 |
03:51:29.15 |
+16:26:15.1 |
HIP 17944 |
31.94 |
| 2026-06-08 12:00 |
03:51:50.06 |
+16:26:58.9 |
HIP 17944 |
35.60 |
| 2026-06-09 00:00 |
03:52:10.95 |
+16:27:42.3 |
HIP 18227 |
32.40 |
| 2026-06-09 12:00 |
03:52:31.79 |
+16:28:25.3 |
HIP 18267 |
29.11 |
| 2026-06-10 00:00 |
03:52:52.60 |
+16:29:07.9 |
HIP 18267 |
24.15 |
| 2026-06-10 12:00 |
03:53:13.37 |
+16:29:50.2 |
HIP 18267 |
19.24 |
| 2026-06-11 00:00 |
03:53:34.11 |
+16:30:32.1 |
HIP 18267 |
14.41 |
| 2026-06-11 12:00 |
03:53:54.81 |
+16:31:13.6 |
HIP 18267 |
9.80 |
| 2026-06-12 00:00 |
03:54:15.46 |
+16:31:54.7 |
HIP 18267 |
5.89 |
| 2026-06-12 12:00 |
03:54:36.08 |
+16:32:35.4 |
HIP 18267 |
4.81 |
| 2026-06-13 00:00 |
03:54:56.66 |
+16:33:15.8 |
HIP 18267 |
7.83 |
| 2026-06-13 12:00 |
03:55:17.20 |
+16:33:55.7 |
HIP 18267 |
12.20 |
| 2026-06-14 00:00 |
03:55:37.69 |
+16:34:35.3 |
HIP 18267 |
16.89 |
| 2026-06-14 12:00 |
03:55:58.14 |
+16:35:14.5 |
HIP 18425 |
20.81 |
| 2026-06-15 00:00 |
03:56:18.55 |
+16:35:53.2 |
HIP 18425 |
20.59 |
| 2026-06-15 12:00 |
03:56:38.91 |
+16:36:31.6 |
HIP 18425 |
21.52 |
| 2026-06-16 00:00 |
03:56:59.23 |
+16:37:09.6 |
HIP 18425 |
23.47 |
| 2026-06-16 12:00 |
03:57:19.51 |
+16:37:47.2 |
HIP 18425 |
26.19 |
| 2026-06-17 00:00 |
03:57:39.73 |
+16:38:24.4 |
HIP 18609 |
24.05 |
| 2026-06-17 12:00 |
03:57:59.91 |
+16:39:01.2 |
HIP 18609 |
20.20 |
| 2026-06-18 00:00 |
03:58:20.04 |
+16:39:37.5 |
HIP 18609 |
16.88 |
| 2026-06-18 12:00 |
03:58:40.13 |
+16:40:13.5 |
HIP 18609 |
14.47 |
| 2026-06-19 00:00 |
03:59:00.16 |
+16:40:49.1 |
HIP 18609 |
13.46 |
| 2026-06-19 12:00 |
03:59:20.15 |
+16:41:24.3 |
HIP 18609 |
14.12 |
| 2026-06-20 00:00 |
03:59:40.08 |
+16:41:59.1 |
HIP 18609 |
16.25 |
| 2026-06-20 12:00 |
03:59:59.96 |
+16:42:33.4 |
HIP 18754 |
18.57 |
| 2026-06-21 00:00 |
04:00:19.79 |
+16:43:07.4 |
HIP 18754 |
15.50 |
| 2026-06-21 12:00 |
04:00:39.57 |
+16:43:40.9 |
HIP 18754 |
13.47 |
| 2026-06-22 00:00 |
04:00:59.30 |
+16:44:14.1 |
HIP 18754 |
12.97 |