메타데이터
| 항목 |
값 |
| Designation |
P/2019 S3 (PANSTARRS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2019-08-26T02:18:33.667200Z |
| Orbit solution date (soln_date, UTC) |
2022-04-11T23:22:27Z |
| Obs used |
61 |
| NEO |
- |
| M1 |
18.000 |
| K1 |
10.000 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2019-09-25T12:51:09.792000Z |
| Discovery magnitude (MPC) |
20.70 w |
| Discovery observatory (MPC) |
F51 · Pan-STARRS 1, Haleakala |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2019-10-03.0000000 |
| e |
0.47064656 |
| q (au) |
1.806781 |
| a (au) |
3.413185 |
| i (deg) |
8.692614 |
| Ω (om, deg) |
150.170410 |
| ω (w, deg) |
212.950167 |
| M (ma, deg) |
5.924433 |
밝기
산란 + 전체 선형
$$
M_a = (17.619 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
17.619 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.552 |
| 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
찾아보기
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
04:42:53.80 |
+16:19:16.8 |
HIP 21912 |
11.81 |
| 2026-06-01 12:00 |
04:43:57.37 |
+16:21:24.6 |
HIP 21912 |
19.97 |
| 2026-06-02 00:00 |
04:45:00.87 |
+16:23:30.7 |
HIP 22225 |
26.59 |
| 2026-06-02 12:00 |
04:46:04.31 |
+16:25:34.9 |
HIP 22225 |
13.15 |
| 2026-06-03 00:00 |
04:47:07.69 |
+16:27:37.4 |
HIP 22225 |
10.49 |
| 2026-06-03 12:00 |
04:48:11.00 |
+16:29:38.1 |
HIP 22347 |
11.12 |
| 2026-06-04 00:00 |
04:49:14.24 |
+16:31:37.1 |
HIP 22347 |
10.20 |
| 2026-06-04 12:00 |
04:50:17.41 |
+16:33:34.2 |
HIP 22524 |
22.23 |
| 2026-06-05 00:00 |
04:51:20.52 |
+16:35:29.6 |
HIP 22524 |
24.12 |
| 2026-06-05 12:00 |
04:52:23.57 |
+16:37:23.2 |
HIP 22740 |
20.25 |
| 2026-06-06 00:00 |
04:53:26.54 |
+16:39:15.1 |
HIP 22740 |
10.15 |
| 2026-06-06 12:00 |
04:54:29.45 |
+16:41:05.2 |
HIP 22740 |
16.05 |
| 2026-06-07 00:00 |
04:55:32.28 |
+16:42:53.5 |
HIP 22990 |
18.05 |
| 2026-06-07 12:00 |
04:56:35.05 |
+16:44:40.1 |
HIP 22990 |
3.04 |
| 2026-06-08 00:00 |
04:57:37.75 |
+16:46:24.9 |
HIP 22990 |
12.26 |
| 2026-06-08 12:00 |
04:58:40.38 |
+16:48:08.0 |
HIP 23227 |
17.49 |
| 2026-06-09 00:00 |
04:59:42.94 |
+16:49:49.3 |
HIP 23227 |
2.44 |
| 2026-06-09 12:00 |
05:00:45.43 |
+16:51:28.9 |
HIP 23227 |
12.63 |
| 2026-06-10 00:00 |
05:01:47.84 |
+16:53:06.7 |
HIP 23227 |
27.64 |
| 2026-06-10 12:00 |
05:02:50.19 |
+16:54:42.8 |
HIP 23574 |
22.06 |
| 2026-06-11 00:00 |
05:03:52.46 |
+16:56:17.1 |
HIP 23574 |
11.63 |
| 2026-06-11 12:00 |
05:04:54.66 |
+16:57:49.8 |
HIP 23574 |
15.24 |
| 2026-06-12 00:00 |
05:05:56.79 |
+16:59:20.7 |
HIP 23807 |
18.24 |
| 2026-06-12 12:00 |
05:06:58.84 |
+17:00:49.9 |
HIP 23807 |
11.19 |
| 2026-06-13 00:00 |
05:08:00.81 |
+17:02:17.3 |
HIP 23807 |
19.01 |
| 2026-06-13 12:00 |
05:09:02.71 |
+17:03:43.0 |
HIP 23810 |
32.24 |
| 2026-06-14 00:00 |
05:10:04.54 |
+17:05:07.1 |
HIP 24103 |
22.91 |
| 2026-06-14 12:00 |
05:11:06.29 |
+17:06:29.4 |
HIP 24142 |
17.48 |
| 2026-06-15 00:00 |
05:12:07.95 |
+17:07:50.0 |
HIP 24269 |
7.23 |
| 2026-06-15 12:00 |
05:13:09.54 |
+17:09:08.9 |
HIP 24269 |
10.13 |
| 2026-06-16 00:00 |
05:14:11.06 |
+17:10:26.1 |
HIP 24386 |
17.25 |
| 2026-06-16 12:00 |
05:15:12.49 |
+17:11:41.6 |
HIP 24558 |
20.29 |
| 2026-06-17 00:00 |
05:16:13.84 |
+17:12:55.4 |
HIP 24609 |
13.57 |
| 2026-06-17 12:00 |
05:17:15.10 |
+17:14:07.5 |
HIP 24609 |
15.09 |
| 2026-06-18 00:00 |
05:18:16.29 |
+17:15:18.0 |
HIP 24784 |
11.66 |
| 2026-06-18 12:00 |
05:19:17.39 |
+17:16:26.7 |
HIP 24784 |
12.44 |
| 2026-06-19 00:00 |
05:20:18.41 |
+17:17:33.8 |
HIP 24959 |
6.70 |
| 2026-06-19 12:00 |
05:21:19.35 |
+17:18:39.3 |
HIP 24959 |
9.48 |
| 2026-06-20 00:00 |
05:22:20.20 |
+17:19:43.1 |
HIP 25220 |
18.62 |
| 2026-06-20 12:00 |
05:23:20.96 |
+17:20:45.2 |
HIP 25220 |
4.32 |
| 2026-06-21 00:00 |
05:24:21.64 |
+17:21:45.7 |
HIP 25278 |
1.53 |
| 2026-06-21 12:00 |
05:25:22.23 |
+17:22:44.5 |
HIP 25278 |
13.58 |
| 2026-06-22 00:00 |
05:26:22.74 |
+17:23:41.7 |
HIP 25514 |
16.13 |