메타데이터
| 항목 |
값 |
| Designation |
P/2022 S1 (PANSTARRS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2022-08-19T02:31:28.692480Z |
| Orbit solution date (soln_date, UTC) |
2023-04-21T18:43:51Z |
| Obs used |
80 |
| NEO |
- |
| M1 |
13.900 |
| K1 |
8.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2022-09-23T14:19:53.068800Z |
| Discovery magnitude (MPC) |
20.52 w |
| Discovery observatory (MPC) |
F52 · Pan-STARRS 2, Haleakala |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2022-11-01.0000000 |
| e |
0.50834103 |
| q (au) |
3.151366 |
| a (au) |
6.409659 |
| i (deg) |
34.581851 |
| Ω (om, deg) |
136.092070 |
| ω (w, deg) |
262.742903 |
| M (ma, deg) |
4.488132 |
밝기
산란 + 전체 선형
$$
M_a = (12.398 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
12.398 |
| n |
6.000 |
| gf |
0.999 |
| gb |
-0.659 |
| 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 |
11:31:56.07 |
+26:47:02.1 |
HIP 56142 |
21.57 |
| 2026-06-01 12:00 |
11:31:57.98 |
+26:45:53.2 |
HIP 56373 |
21.78 |
| 2026-06-02 00:00 |
11:32:00.01 |
+26:44:43.6 |
HIP 56373 |
20.80 |
| 2026-06-02 12:00 |
11:32:02.18 |
+26:43:33.4 |
HIP 56373 |
19.82 |
| 2026-06-03 00:00 |
11:32:04.47 |
+26:42:22.4 |
HIP 56373 |
18.85 |
| 2026-06-03 12:00 |
11:32:06.88 |
+26:41:10.8 |
HIP 56373 |
17.88 |
| 2026-06-04 00:00 |
11:32:09.42 |
+26:39:58.5 |
HIP 56373 |
16.93 |
| 2026-06-04 12:00 |
11:32:12.09 |
+26:38:45.6 |
HIP 56373 |
16.00 |
| 2026-06-05 00:00 |
11:32:14.88 |
+26:37:32.0 |
HIP 56373 |
15.11 |
| 2026-06-05 12:00 |
11:32:17.79 |
+26:36:17.8 |
HIP 56373 |
14.26 |
| 2026-06-06 00:00 |
11:32:20.83 |
+26:35:02.9 |
HIP 56373 |
13.48 |
| 2026-06-06 12:00 |
11:32:23.99 |
+26:33:47.4 |
HIP 56373 |
12.78 |
| 2026-06-07 00:00 |
11:32:27.28 |
+26:32:31.3 |
HIP 56373 |
12.19 |
| 2026-06-07 12:00 |
11:32:30.69 |
+26:31:14.5 |
HIP 56373 |
11.73 |
| 2026-06-08 00:00 |
11:32:34.22 |
+26:29:57.2 |
HIP 56373 |
11.42 |
| 2026-06-08 12:00 |
11:32:37.88 |
+26:28:39.2 |
HIP 56373 |
11.29 |
| 2026-06-09 00:00 |
11:32:41.66 |
+26:27:20.6 |
HIP 56373 |
11.36 |
| 2026-06-09 12:00 |
11:32:45.56 |
+26:26:01.5 |
HIP 56373 |
11.62 |
| 2026-06-10 00:00 |
11:32:49.58 |
+26:24:41.7 |
HIP 56373 |
12.07 |
| 2026-06-10 12:00 |
11:32:53.72 |
+26:23:21.4 |
HIP 56373 |
12.71 |
| 2026-06-11 00:00 |
11:32:57.98 |
+26:22:00.6 |
HIP 56373 |
13.51 |
| 2026-06-11 12:00 |
11:33:02.37 |
+26:20:39.1 |
HIP 56385 |
13.42 |
| 2026-06-12 00:00 |
11:33:06.87 |
+26:19:17.1 |
HIP 56385 |
11.74 |
| 2026-06-12 12:00 |
11:33:11.49 |
+26:17:54.5 |
HIP 56385 |
10.05 |
| 2026-06-13 00:00 |
11:33:16.24 |
+26:16:31.5 |
HIP 56385 |
8.36 |
| 2026-06-13 12:00 |
11:33:21.10 |
+26:15:07.8 |
HIP 56385 |
6.67 |
| 2026-06-14 00:00 |
11:33:26.08 |
+26:13:43.7 |
HIP 56385 |
5.02 |
| 2026-06-14 12:00 |
11:33:31.18 |
+26:12:19.0 |
HIP 56385 |
3.52 |
| 2026-06-15 00:00 |
11:33:36.39 |
+26:10:53.8 |
HIP 56385 |
2.48 |
| 2026-06-15 12:00 |
11:33:41.72 |
+26:09:28.1 |
HIP 56385 |
2.61 |
| 2026-06-16 00:00 |
11:33:47.17 |
+26:08:01.9 |
HIP 56385 |
3.83 |
| 2026-06-16 12:00 |
11:33:52.74 |
+26:06:35.2 |
HIP 56385 |
5.47 |
| 2026-06-17 00:00 |
11:33:58.42 |
+26:05:08.0 |
HIP 56385 |
7.27 |
| 2026-06-17 12:00 |
11:34:04.21 |
+26:03:40.4 |
HIP 56385 |
9.15 |
| 2026-06-18 00:00 |
11:34:10.12 |
+26:02:12.3 |
HIP 56385 |
11.08 |
| 2026-06-18 12:00 |
11:34:16.15 |
+26:00:43.7 |
HIP 56385 |
13.05 |
| 2026-06-19 00:00 |
11:34:22.28 |
+25:59:14.7 |
HIP 56385 |
15.06 |
| 2026-06-19 12:00 |
11:34:28.53 |
+25:57:45.2 |
HIP 56385 |
17.09 |
| 2026-06-20 00:00 |
11:34:34.89 |
+25:56:15.3 |
HIP 56554 |
16.07 |
| 2026-06-20 12:00 |
11:34:41.36 |
+25:54:45.0 |
HIP 56554 |
15.14 |
| 2026-06-21 00:00 |
11:34:47.95 |
+25:53:14.2 |
HIP 56554 |
14.44 |
| 2026-06-21 12:00 |
11:34:54.64 |
+25:51:43.0 |
HIP 56554 |
14.00 |
| 2026-06-22 00:00 |
11:35:01.44 |
+25:50:11.5 |
HIP 56554 |
13.87 |