메타데이터
| 항목 |
값 |
| Designation |
P/2024 O2 (PANSTARRS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2024-04-20T05:24:07.672320Z |
| Orbit solution date (soln_date, UTC) |
2024-10-26T00:12:24Z |
| Obs used |
62 |
| NEO |
- |
| M1 |
12.500 |
| K1 |
10.000 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2024-07-28T12:51:01.324800Z |
| Discovery magnitude (MPC) |
20.88 w |
| Discovery observatory (MPC) |
F51 · Pan-STARRS 1, Haleakala |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2024-08-25.0000000 |
| e |
0.49949412 |
| q (au) |
3.697574 |
| a (au) |
7.387674 |
| i (deg) |
28.973263 |
| Ω (om, deg) |
6.806464 |
| ω (w, deg) |
310.788811 |
| M (ma, deg) |
6.222656 |
밝기
산란 + 전체 선형
$$
M_a = (13.463 + 2.815\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
13.463 |
| n |
2.815 |
| gf |
0.999 |
| gb |
-0.865 |
| 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
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
02:53:34.98 |
+34:30:47.1 |
HIP 13375 |
19.65 |
| 2026-06-01 12:00 |
02:54:00.29 |
+34:33:35.3 |
HIP 13652 |
22.54 |
| 2026-06-02 00:00 |
02:54:25.57 |
+34:36:23.6 |
HIP 13628 |
16.70 |
| 2026-06-02 12:00 |
02:54:50.80 |
+34:39:12.0 |
HIP 13628 |
10.87 |
| 2026-06-03 00:00 |
02:55:16.00 |
+34:42:00.4 |
HIP 13628 |
5.22 |
| 2026-06-03 12:00 |
02:55:41.16 |
+34:44:48.9 |
HIP 13628 |
2.39 |
| 2026-06-04 00:00 |
02:56:06.27 |
+34:47:37.5 |
HIP 13628 |
7.29 |
| 2026-06-04 12:00 |
02:56:31.35 |
+34:50:26.1 |
HIP 13628 |
13.02 |
| 2026-06-05 00:00 |
02:56:56.38 |
+34:53:14.8 |
HIP 13628 |
18.81 |
| 2026-06-05 12:00 |
02:57:21.38 |
+34:56:03.6 |
HIP 13628 |
24.63 |
| 2026-06-06 00:00 |
02:57:46.32 |
+34:58:52.5 |
HIP 13905 |
19.93 |
| 2026-06-06 12:00 |
02:58:11.23 |
+35:01:41.4 |
HIP 13905 |
14.20 |
| 2026-06-07 00:00 |
02:58:36.09 |
+35:04:30.4 |
HIP 13905 |
8.60 |
| 2026-06-07 12:00 |
02:59:00.90 |
+35:07:19.4 |
HIP 13905 |
3.71 |
| 2026-06-08 00:00 |
02:59:25.67 |
+35:10:08.6 |
HIP 13905 |
4.57 |
| 2026-06-08 12:00 |
02:59:50.39 |
+35:12:57.8 |
HIP 13905 |
9.74 |
| 2026-06-09 00:00 |
03:00:15.07 |
+35:15:47.0 |
HIP 13905 |
15.34 |
| 2026-06-09 12:00 |
03:00:39.69 |
+35:18:36.3 |
HIP 13905 |
21.03 |
| 2026-06-10 00:00 |
03:01:04.27 |
+35:21:25.7 |
HIP 14123 |
19.53 |
| 2026-06-10 12:00 |
03:01:28.80 |
+35:24:15.1 |
HIP 14123 |
14.22 |
| 2026-06-11 00:00 |
03:01:53.27 |
+35:27:04.6 |
HIP 14123 |
9.43 |
| 2026-06-11 12:00 |
03:02:17.70 |
+35:29:54.2 |
HIP 14123 |
6.42 |
| 2026-06-12 00:00 |
03:02:42.07 |
+35:32:43.8 |
HIP 14123 |
7.65 |
| 2026-06-12 12:00 |
03:03:06.39 |
+35:35:33.5 |
HIP 14123 |
11.86 |
| 2026-06-13 00:00 |
03:03:30.65 |
+35:38:23.2 |
HIP 14123 |
16.95 |
| 2026-06-13 12:00 |
03:03:54.86 |
+35:41:13.0 |
HIP 14123 |
22.31 |
| 2026-06-14 00:00 |
03:04:19.01 |
+35:44:02.8 |
HIP 14123 |
27.78 |
| 2026-06-14 12:00 |
03:04:43.11 |
+35:46:52.7 |
HIP 14123 |
33.30 |
| 2026-06-15 00:00 |
03:05:07.15 |
+35:49:42.6 |
HIP 14560 |
35.48 |
| 2026-06-15 12:00 |
03:05:31.13 |
+35:52:32.5 |
HIP 14560 |
30.20 |
| 2026-06-16 00:00 |
03:05:55.05 |
+35:55:22.6 |
HIP 14560 |
25.08 |
| 2026-06-16 12:00 |
03:06:18.90 |
+35:58:12.6 |
HIP 14560 |
20.24 |
| 2026-06-17 00:00 |
03:06:42.70 |
+36:01:02.7 |
HIP 14560 |
15.93 |
| 2026-06-17 12:00 |
03:07:06.44 |
+36:03:52.9 |
HIP 14560 |
12.68 |
| 2026-06-18 00:00 |
03:07:30.11 |
+36:06:43.1 |
HIP 14560 |
11.42 |
| 2026-06-18 12:00 |
03:07:53.72 |
+36:09:33.3 |
HIP 14560 |
12.72 |
| 2026-06-19 00:00 |
03:08:17.26 |
+36:12:23.5 |
HIP 14560 |
15.96 |
| 2026-06-19 12:00 |
03:08:40.74 |
+36:15:13.8 |
HIP 14560 |
20.22 |
| 2026-06-20 00:00 |
03:09:04.15 |
+36:18:04.2 |
HIP 14775 |
23.70 |
| 2026-06-20 12:00 |
03:09:27.50 |
+36:20:54.5 |
HIP 14775 |
18.21 |
| 2026-06-21 00:00 |
03:09:50.77 |
+36:23:44.9 |
HIP 14775 |
12.74 |
| 2026-06-21 12:00 |
03:10:13.98 |
+36:26:35.3 |
HIP 14775 |
7.28 |
| 2026-06-22 00:00 |
03:10:37.12 |
+36:29:25.8 |
HIP 14775 |
1.87 |