메타데이터
| 항목 |
값 |
| Designation |
P/2024 J1 (PANSTARRS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2023-11-11T02:06:45.757440Z |
| Orbit solution date (soln_date, UTC) |
2025-01-14T17:42:19Z |
| Obs used |
33 |
| NEO |
- |
| M1 |
14.500 |
| K1 |
10.000 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2024-05-01T07:34:25.766400Z |
| Discovery magnitude (MPC) |
20.82 w |
| Discovery observatory (MPC) |
F51 · Pan-STARRS 1, Haleakala |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2024-05-01.0000000 |
| e |
0.30729596 |
| q (au) |
2.637543 |
| a (au) |
3.807605 |
| i (deg) |
13.160370 |
| Ω (om, deg) |
321.961732 |
| ω (w, deg) |
200.324508 |
| M (ma, deg) |
22.805121 |
밝기
산란 + 전체 선형
$$
M_a = (15.841 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
15.841 |
| n |
2.000 |
| gf |
0.996 |
| gb |
-0.503 |
| k |
1.000 |
| δ90 |
9.999 |
| 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 |
21:40:38.80 |
-17:11:16.6 |
HIP 107122 |
19.10 |
| 2026-06-01 12:00 |
21:40:39.90 |
-17:10:52.1 |
HIP 107122 |
18.89 |
| 2026-06-02 00:00 |
21:40:40.78 |
-17:10:28.5 |
HIP 107122 |
18.74 |
| 2026-06-02 12:00 |
21:40:41.44 |
-17:10:05.9 |
HIP 107122 |
18.64 |
| 2026-06-03 00:00 |
21:40:41.89 |
-17:09:44.2 |
HIP 107122 |
18.60 |
| 2026-06-03 12:00 |
21:40:42.13 |
-17:09:23.4 |
HIP 107122 |
18.62 |
| 2026-06-04 00:00 |
21:40:42.15 |
-17:09:03.5 |
HIP 107122 |
18.69 |
| 2026-06-04 12:00 |
21:40:41.95 |
-17:08:44.7 |
HIP 107122 |
18.81 |
| 2026-06-05 00:00 |
21:40:41.54 |
-17:08:26.7 |
HIP 107122 |
18.98 |
| 2026-06-05 12:00 |
21:40:40.91 |
-17:08:09.7 |
HIP 107122 |
19.20 |
| 2026-06-06 00:00 |
21:40:40.06 |
-17:07:53.6 |
HIP 107122 |
19.47 |
| 2026-06-06 12:00 |
21:40:38.99 |
-17:07:38.5 |
HIP 107122 |
19.78 |
| 2026-06-07 00:00 |
21:40:37.71 |
-17:07:24.3 |
HIP 107122 |
20.14 |
| 2026-06-07 12:00 |
21:40:36.20 |
-17:07:11.0 |
HIP 107122 |
20.55 |
| 2026-06-08 00:00 |
21:40:34.48 |
-17:06:58.7 |
HIP 107122 |
21.01 |
| 2026-06-08 12:00 |
21:40:32.54 |
-17:06:47.4 |
HIP 107122 |
21.51 |
| 2026-06-09 00:00 |
21:40:30.38 |
-17:06:36.9 |
HIP 107122 |
22.05 |
| 2026-06-09 12:00 |
21:40:28.00 |
-17:06:27.4 |
HIP 107122 |
22.64 |
| 2026-06-10 00:00 |
21:40:25.40 |
-17:06:18.9 |
HIP 107122 |
23.28 |
| 2026-06-10 12:00 |
21:40:22.58 |
-17:06:11.2 |
HIP 107122 |
23.96 |
| 2026-06-11 00:00 |
21:40:19.54 |
-17:06:04.6 |
HIP 107122 |
24.68 |
| 2026-06-11 12:00 |
21:40:16.28 |
-17:05:58.8 |
HIP 107122 |
25.46 |
| 2026-06-12 00:00 |
21:40:12.80 |
-17:05:54.0 |
HIP 106985 |
26.23 |
| 2026-06-12 12:00 |
21:40:09.10 |
-17:05:50.1 |
HIP 106985 |
26.11 |
| 2026-06-13 00:00 |
21:40:05.17 |
-17:05:47.1 |
HIP 106859 |
25.96 |
| 2026-06-13 12:00 |
21:40:01.03 |
-17:05:45.1 |
HIP 106859 |
25.11 |
| 2026-06-14 00:00 |
21:39:56.67 |
-17:05:44.0 |
HIP 106859 |
24.24 |
| 2026-06-14 12:00 |
21:39:52.09 |
-17:05:43.7 |
HIP 106859 |
23.35 |
| 2026-06-15 00:00 |
21:39:47.28 |
-17:05:44.5 |
HIP 106859 |
22.45 |
| 2026-06-15 12:00 |
21:39:42.26 |
-17:05:46.1 |
HIP 106859 |
21.53 |
| 2026-06-16 00:00 |
21:39:37.02 |
-17:05:48.6 |
HIP 106859 |
20.62 |
| 2026-06-16 12:00 |
21:39:31.56 |
-17:05:52.0 |
HIP 106859 |
19.72 |
| 2026-06-17 00:00 |
21:39:25.88 |
-17:05:56.3 |
HIP 106859 |
18.85 |
| 2026-06-17 12:00 |
21:39:19.98 |
-17:06:01.5 |
HIP 106859 |
18.01 |
| 2026-06-18 00:00 |
21:39:13.86 |
-17:06:07.6 |
HIP 106859 |
17.23 |
| 2026-06-18 12:00 |
21:39:07.53 |
-17:06:14.6 |
HIP 106859 |
16.54 |
| 2026-06-19 00:00 |
21:39:00.98 |
-17:06:22.5 |
HIP 106859 |
15.95 |
| 2026-06-19 12:00 |
21:38:54.22 |
-17:06:31.2 |
HIP 106805 |
15.10 |
| 2026-06-20 00:00 |
21:38:47.24 |
-17:06:40.7 |
HIP 106805 |
13.52 |
| 2026-06-20 12:00 |
21:38:40.04 |
-17:06:51.2 |
HIP 106805 |
11.91 |
| 2026-06-21 00:00 |
21:38:32.63 |
-17:07:02.4 |
HIP 106805 |
10.29 |
| 2026-06-21 12:00 |
21:38:25.01 |
-17:07:14.5 |
HIP 106805 |
8.69 |
| 2026-06-22 00:00 |
21:38:17.18 |
-17:07:27.5 |
HIP 106805 |
7.15 |