메타데이터
| 항목 |
값 |
| Designation |
C/2024 O1 (PANSTARRS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2023-01-29T05:12:09.480960Z |
| Orbit solution date (soln_date, UTC) |
2024-08-11T00:12:19Z |
| Obs used |
37 |
| NEO |
- |
| M1 |
13.300 |
| K1 |
4.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2024-07-28T09:31:08.832000Z |
| Discovery magnitude (MPC) |
21.04 w |
| Discovery observatory (MPC) |
F51 · Pan-STARRS 1, Haleakala |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2024-03-10.0000000 |
| e |
1.00181627 |
| q (au) |
6.608493 |
| a (au) |
-3638.502297 |
| i (deg) |
59.066490 |
| Ω (om, deg) |
303.331127 |
| ω (w, deg) |
349.939425 |
| M (ma, deg) |
0.001822 |
밝기
산란 + 전체 선형
$$
M_a = (18.575 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
18.575 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.890 |
| 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) |
| 2026-05-12 00:00 |
22:11:03.20 |
+40:26:35.6 |
HIP 109473 |
11.77 |
| 2026-05-12 12:00 |
22:11:07.64 |
+40:29:46.1 |
HIP 109473 |
15.02 |
| 2026-05-13 00:00 |
22:11:11.97 |
+40:32:56.5 |
HIP 109632 |
14.92 |
| 2026-05-13 12:00 |
22:11:16.20 |
+40:36:06.8 |
HIP 109632 |
14.26 |
| 2026-05-14 00:00 |
22:11:20.32 |
+40:39:17.0 |
HIP 109632 |
14.35 |
| 2026-05-14 12:00 |
22:11:24.33 |
+40:42:27.2 |
HIP 109632 |
15.18 |
| 2026-05-15 00:00 |
22:11:28.23 |
+40:45:37.4 |
HIP 109651 |
14.91 |
| 2026-05-15 12:00 |
22:11:32.02 |
+40:48:47.4 |
HIP 109537 |
12.41 |
| 2026-05-16 00:00 |
22:11:35.70 |
+40:51:57.3 |
HIP 109537 |
9.59 |
| 2026-05-16 12:00 |
22:11:39.27 |
+40:55:07.1 |
HIP 109537 |
7.12 |
| 2026-05-17 00:00 |
22:11:42.74 |
+40:58:16.9 |
HIP 109537 |
5.49 |
| 2026-05-17 12:00 |
22:11:46.09 |
+41:01:26.4 |
HIP 109537 |
5.49 |
| 2026-05-18 00:00 |
22:11:49.32 |
+41:04:35.9 |
HIP 109537 |
7.12 |
| 2026-05-18 12:00 |
22:11:52.45 |
+41:07:45.2 |
HIP 109537 |
9.57 |
| 2026-05-19 00:00 |
22:11:55.47 |
+41:10:54.3 |
HIP 109537 |
12.36 |
| 2026-05-19 12:00 |
22:11:58.37 |
+41:14:03.3 |
HIP 109537 |
15.30 |
| 2026-05-20 00:00 |
22:12:01.16 |
+41:17:12.2 |
HIP 109537 |
18.31 |
| 2026-05-20 12:00 |
22:12:03.83 |
+41:20:20.8 |
HIP 109537 |
21.36 |
| 2026-05-21 00:00 |
22:12:06.40 |
+41:23:29.3 |
HIP 109537 |
24.43 |
| 2026-05-21 12:00 |
22:12:08.85 |
+41:26:37.5 |
HIP 109688 |
23.62 |
| 2026-05-22 00:00 |
22:12:11.18 |
+41:29:45.6 |
HIP 109688 |
20.68 |
| 2026-05-22 12:00 |
22:12:13.40 |
+41:32:53.4 |
HIP 109688 |
17.83 |
| 2026-05-23 00:00 |
22:12:15.51 |
+41:36:01.1 |
HIP 109688 |
15.13 |
| 2026-05-23 12:00 |
22:12:17.50 |
+41:39:08.5 |
HIP 109688 |
12.66 |
| 2026-05-24 00:00 |
22:12:19.37 |
+41:42:15.6 |
HIP 109688 |
10.57 |
| 2026-05-24 12:00 |
22:12:21.14 |
+41:45:22.6 |
HIP 109688 |
9.13 |
| 2026-05-25 00:00 |
22:12:22.78 |
+41:48:29.2 |
HIP 109688 |
8.66 |
| 2026-05-25 12:00 |
22:12:24.31 |
+41:51:35.6 |
HIP 109688 |
9.30 |
| 2026-05-26 00:00 |
22:12:25.72 |
+41:54:41.8 |
HIP 109688 |
10.85 |
| 2026-05-26 12:00 |
22:12:27.02 |
+41:57:47.6 |
HIP 109688 |
12.99 |
| 2026-05-27 00:00 |
22:12:28.20 |
+42:00:53.2 |
HIP 109728 |
13.05 |
| 2026-05-27 12:00 |
22:12:29.27 |
+42:03:58.5 |
HIP 109728 |
12.92 |
| 2026-05-28 00:00 |
22:12:30.21 |
+42:07:03.4 |
HIP 109728 |
13.53 |
| 2026-05-28 12:00 |
22:12:31.04 |
+42:10:08.1 |
HIP 109728 |
14.79 |
| 2026-05-29 00:00 |
22:12:31.76 |
+42:13:12.4 |
HIP 109728 |
16.54 |
| 2026-05-29 12:00 |
22:12:32.35 |
+42:16:16.5 |
HIP 109738 |
17.61 |
| 2026-05-30 00:00 |
22:12:32.83 |
+42:19:20.2 |
HIP 109738 |
15.71 |
| 2026-05-30 12:00 |
22:12:33.18 |
+42:22:23.5 |
HIP 109738 |
14.24 |
| 2026-05-31 00:00 |
22:12:33.42 |
+42:25:26.5 |
HIP 109738 |
13.36 |
| 2026-05-31 12:00 |
22:12:33.55 |
+42:28:29.1 |
HIP 109738 |
13.15 |
| 2026-06-01 00:00 |
22:12:33.55 |
+42:31:31.4 |
HIP 109738 |
13.66 |
| 2026-06-01 12:00 |
22:12:33.43 |
+42:34:33.3 |
HIP 109738 |
14.81 |
| 2026-06-02 00:00 |
22:12:33.20 |
+42:37:34.8 |
HIP 109738 |
16.46 |