P/2024 O2 (PANSTARRS)
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
$$
M_a = (13.462 + 2.815\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
13.462 |
| n |
2.815 |
| gf |
1.000 |
| 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) |
| 2026-02-03 00:00 |
01:20:00.96 |
+25:38:01.2 |
HIP 6308 |
31.82 |
| 2026-02-03 12:00 |
01:20:16.82 |
+25:39:09.5 |
HIP 6308 |
31.47 |
| 2026-02-04 00:00 |
01:20:32.81 |
+25:40:18.6 |
HIP 6308 |
31.57 |
| 2026-02-04 12:00 |
01:20:48.93 |
+25:41:28.7 |
HIP 6308 |
32.13 |
| 2026-02-05 00:00 |
01:21:05.18 |
+25:42:39.6 |
HIP 6308 |
33.14 |
| 2026-02-05 12:00 |
01:21:21.56 |
+25:43:51.5 |
HIP 6308 |
34.58 |
| 2026-02-06 00:00 |
01:21:38.06 |
+25:45:04.3 |
HIP 6529 |
31.88 |
| 2026-02-06 12:00 |
01:21:54.69 |
+25:46:17.9 |
HIP 6529 |
27.94 |
| 2026-02-07 00:00 |
01:22:11.45 |
+25:47:32.5 |
HIP 6529 |
23.97 |
| 2026-02-07 12:00 |
01:22:28.33 |
+25:48:47.9 |
HIP 6529 |
19.97 |
| 2026-02-08 00:00 |
01:22:45.34 |
+25:50:04.2 |
HIP 6529 |
15.94 |
| 2026-02-08 12:00 |
01:23:02.47 |
+25:51:21.4 |
HIP 6529 |
11.88 |
| 2026-02-09 00:00 |
01:23:19.72 |
+25:52:39.5 |
HIP 6529 |
7.79 |
| 2026-02-09 12:00 |
01:23:37.09 |
+25:53:58.5 |
HIP 6529 |
3.67 |
| 2026-02-10 00:00 |
01:23:54.58 |
+25:55:18.3 |
HIP 6529 |
0.62 |
| 2026-02-10 12:00 |
01:24:12.19 |
+25:56:39.0 |
HIP 6529 |
4.69 |
| 2026-02-11 00:00 |
01:24:29.92 |
+25:58:00.6 |
HIP 6529 |
8.90 |
| 2026-02-11 12:00 |
01:24:47.77 |
+25:59:23.0 |
HIP 6529 |
13.13 |
| 2026-02-12 00:00 |
01:25:05.73 |
+26:00:46.2 |
HIP 6529 |
17.40 |
| 2026-02-12 12:00 |
01:25:23.81 |
+26:02:10.3 |
HIP 6529 |
21.69 |
| 2026-02-13 00:00 |
01:25:42.00 |
+26:03:35.3 |
HIP 6529 |
26.02 |
| 2026-02-13 12:00 |
01:26:00.31 |
+26:05:01.1 |
HIP 6529 |
30.37 |
| 2026-02-14 00:00 |
01:26:18.73 |
+26:06:27.7 |
HIP 6830 |
33.39 |
| 2026-02-14 12:00 |
01:26:37.26 |
+26:07:55.2 |
HIP 6830 |
32.09 |
| 2026-02-15 00:00 |
01:26:55.91 |
+26:09:23.5 |
HIP 6830 |
31.36 |
| 2026-02-15 12:00 |
01:27:14.66 |
+26:10:52.6 |
HIP 6830 |
31.26 |
| 2026-02-16 00:00 |
01:27:33.52 |
+26:12:22.6 |
HIP 6830 |
31.80 |
| 2026-02-16 12:00 |
01:27:52.49 |
+26:13:53.4 |
HIP 6830 |
32.97 |
| 2026-02-17 00:00 |
01:28:11.57 |
+26:15:24.9 |
HIP 7035 |
33.75 |
| 2026-02-17 12:00 |
01:28:30.76 |
+26:16:57.3 |
HIP 7035 |
29.27 |
| 2026-02-18 00:00 |
01:28:50.05 |
+26:18:30.5 |
HIP 7035 |
24.79 |
| 2026-02-18 12:00 |
01:29:09.44 |
+26:20:04.5 |
HIP 7035 |
20.34 |
| 2026-02-19 00:00 |
01:29:28.94 |
+26:21:39.2 |
HIP 7035 |
15.96 |
| 2026-02-19 12:00 |
01:29:48.54 |
+26:23:14.8 |
HIP 7035 |
11.78 |
| 2026-02-20 00:00 |
01:30:08.25 |
+26:24:51.1 |
HIP 7035 |
8.13 |
| 2026-02-20 12:00 |
01:30:28.05 |
+26:26:28.2 |
HIP 7049 |
5.65 |
| 2026-02-21 00:00 |
01:30:47.95 |
+26:28:06.1 |
HIP 7049 |
0.97 |
| 2026-02-21 12:00 |
01:31:07.96 |
+26:29:44.8 |
HIP 7049 |
3.90 |
| 2026-02-22 00:00 |
01:31:28.06 |
+26:31:24.2 |
HIP 7049 |
8.68 |
| 2026-02-22 12:00 |
01:31:48.25 |
+26:33:04.4 |
HIP 7049 |
13.49 |
| 2026-02-23 00:00 |
01:32:08.54 |
+26:34:45.3 |
HIP 7049 |
18.33 |
| 2026-02-23 12:00 |
01:32:28.93 |
+26:36:26.9 |
HIP 7049 |
23.19 |
| 2026-02-24 00:00 |
01:32:49.41 |
+26:38:09.3 |
HIP 7049 |
28.08 |