메타데이터
| 항목 |
값 |
| Designation |
503P/PANSTARRS |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2018-11-12T13:38:28.222080Z |
| Orbit solution date (soln_date, UTC) |
2025-07-07T14:12:36Z |
| Obs used |
123 |
| NEO |
- |
| M1 |
14.400 |
| K1 |
11.000 |
| PC |
0.030 |
| Discovery observation (MPC, UTC) |
2018-06-03T06:49:46.848000Z |
| Discovery magnitude (MPC) |
20.00 w |
| Discovery observatory (MPC) |
F51 · Pan-STARRS 1, Haleakala |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2019-10-11.0000000 |
| e |
0.48303012 |
| q (au) |
1.885951 |
| a (au) |
3.648087 |
| i (deg) |
10.594784 |
| Ω (om, deg) |
268.626025 |
| ω (w, deg) |
17.915078 |
| M (ma, deg) |
47.022821 |
밝기
산란 + 전체 선형
$$
M_a = (12.375 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
12.375 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.998 |
| 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
찾아보기
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
01:05:58.92 |
+16:23:33.8 |
HIP 5185 |
7.36 |
| 2026-06-01 12:00 |
01:06:41.98 |
+16:28:43.1 |
HIP 5185 |
10.92 |
| 2026-06-02 00:00 |
01:07:24.92 |
+16:33:51.4 |
HIP 5185 |
21.20 |
| 2026-06-02 12:00 |
01:08:07.73 |
+16:38:58.7 |
HIP 5185 |
32.28 |
| 2026-06-03 00:00 |
01:08:50.41 |
+16:44:05.1 |
HIP 5369 |
30.65 |
| 2026-06-03 12:00 |
01:09:32.96 |
+16:49:10.4 |
HIP 5541 |
21.97 |
| 2026-06-04 00:00 |
01:10:15.38 |
+16:54:14.8 |
HIP 5541 |
13.93 |
| 2026-06-04 12:00 |
01:10:57.67 |
+16:59:18.1 |
HIP 5541 |
12.76 |
| 2026-06-05 00:00 |
01:11:39.83 |
+17:04:20.4 |
HIP 5541 |
19.65 |
| 2026-06-05 12:00 |
01:12:21.85 |
+17:09:21.8 |
HIP 5541 |
29.35 |
| 2026-06-06 00:00 |
01:13:03.74 |
+17:14:22.1 |
HIP 5541 |
39.83 |
| 2026-06-06 12:00 |
01:13:45.50 |
+17:19:21.4 |
HIP 5925 |
39.61 |
| 2026-06-07 00:00 |
01:14:27.12 |
+17:24:19.7 |
HIP 5925 |
28.51 |
| 2026-06-07 12:00 |
01:15:08.60 |
+17:29:17.1 |
HIP 5925 |
17.46 |
| 2026-06-08 00:00 |
01:15:49.95 |
+17:34:13.3 |
HIP 5925 |
6.50 |
| 2026-06-08 12:00 |
01:16:31.15 |
+17:39:08.6 |
HIP 5925 |
4.71 |
| 2026-06-09 00:00 |
01:17:12.22 |
+17:44:02.9 |
HIP 5954 |
12.20 |
| 2026-06-09 12:00 |
01:17:53.15 |
+17:48:56.1 |
HIP 5954 |
18.39 |
| 2026-06-10 00:00 |
01:18:33.94 |
+17:53:48.3 |
HIP 6187 |
18.76 |
| 2026-06-10 12:00 |
01:19:14.58 |
+17:58:39.4 |
HIP 6187 |
9.88 |
| 2026-06-11 00:00 |
01:19:55.08 |
+18:03:29.5 |
HIP 6265 |
7.28 |
| 2026-06-11 12:00 |
01:20:35.44 |
+18:08:18.6 |
HIP 6265 |
3.55 |
| 2026-06-12 00:00 |
01:21:15.65 |
+18:13:06.7 |
HIP 6316 |
6.11 |
| 2026-06-12 12:00 |
01:21:55.71 |
+18:17:53.7 |
HIP 6316 |
11.52 |
| 2026-06-13 00:00 |
01:22:35.63 |
+18:22:39.6 |
HIP 6405 |
18.80 |
| 2026-06-13 12:00 |
01:23:15.39 |
+18:27:24.5 |
HIP 6405 |
19.28 |
| 2026-06-14 00:00 |
01:23:55.01 |
+18:32:08.3 |
HIP 6613 |
14.05 |
| 2026-06-14 12:00 |
01:24:34.47 |
+18:36:51.1 |
HIP 6613 |
8.20 |
| 2026-06-15 00:00 |
01:25:13.78 |
+18:41:32.8 |
HIP 6613 |
12.48 |
| 2026-06-15 12:00 |
01:25:52.94 |
+18:46:13.5 |
HIP 6613 |
21.45 |
| 2026-06-16 00:00 |
01:26:31.94 |
+18:50:53.0 |
HIP 6706 |
19.85 |
| 2026-06-16 12:00 |
01:27:10.79 |
+18:55:31.5 |
HIP 6706 |
19.79 |
| 2026-06-17 00:00 |
01:27:49.47 |
+19:00:08.9 |
HIP 6732 |
21.47 |
| 2026-06-17 12:00 |
01:28:28.00 |
+19:04:45.2 |
HIP 6961 |
18.48 |
| 2026-06-18 00:00 |
01:29:06.37 |
+19:09:20.5 |
HIP 6961 |
15.30 |
| 2026-06-18 12:00 |
01:29:44.58 |
+19:13:54.6 |
HIP 6961 |
18.24 |
| 2026-06-19 00:00 |
01:30:22.63 |
+19:18:27.7 |
HIP 6961 |
25.19 |
| 2026-06-19 12:00 |
01:31:00.52 |
+19:22:59.7 |
HIP 7230 |
31.59 |
| 2026-06-20 00:00 |
01:31:38.24 |
+19:27:30.5 |
HIP 7230 |
22.10 |
| 2026-06-20 12:00 |
01:32:15.80 |
+19:32:00.3 |
HIP 7230 |
13.38 |
| 2026-06-21 00:00 |
01:32:53.19 |
+19:36:29.0 |
HIP 7230 |
8.19 |
| 2026-06-21 12:00 |
01:33:30.42 |
+19:40:56.6 |
HIP 7230 |
12.24 |
| 2026-06-22 00:00 |
01:34:07.47 |
+19:45:23.1 |
HIP 7206 |
19.73 |