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 |
1.000 |
| gb |
-0.544 |
| 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) |
| 2026-03-26 00:00 |
21:10:15.02 |
-20:07:06.6 |
HIP 104429 |
14.69 |
| 2026-03-26 12:00 |
21:10:38.69 |
-20:05:08.2 |
HIP 104429 |
20.58 |
| 2026-03-27 00:00 |
21:11:02.23 |
-20:03:10.2 |
HIP 104665 |
22.02 |
| 2026-03-27 12:00 |
21:11:25.66 |
-20:01:12.6 |
HIP 104665 |
20.70 |
| 2026-03-28 00:00 |
21:11:48.96 |
-19:59:15.3 |
HIP 104665 |
20.98 |
| 2026-03-28 12:00 |
21:12:12.15 |
-19:57:18.5 |
HIP 104665 |
22.78 |
| 2026-03-29 00:00 |
21:12:35.22 |
-19:55:22.0 |
HIP 104804 |
21.69 |
| 2026-03-29 12:00 |
21:12:58.16 |
-19:53:25.9 |
HIP 104804 |
18.27 |
| 2026-03-30 00:00 |
21:13:20.99 |
-19:51:30.2 |
HIP 104804 |
16.21 |
| 2026-03-30 12:00 |
21:13:43.69 |
-19:49:34.8 |
HIP 104804 |
16.02 |
| 2026-03-31 00:00 |
21:14:06.27 |
-19:47:39.9 |
HIP 104804 |
17.73 |
| 2026-03-31 12:00 |
21:14:28.72 |
-19:45:45.4 |
HIP 104902 |
19.64 |
| 2026-04-01 00:00 |
21:14:51.05 |
-19:43:51.3 |
HIP 104902 |
20.43 |
| 2026-04-01 12:00 |
21:15:13.26 |
-19:41:57.7 |
HIP 104902 |
22.60 |
| 2026-04-02 00:00 |
21:15:35.34 |
-19:40:04.4 |
HIP 105078 |
24.84 |
| 2026-04-02 12:00 |
21:15:57.30 |
-19:38:11.6 |
HIP 105078 |
19.34 |
| 2026-04-03 00:00 |
21:16:19.12 |
-19:36:19.2 |
HIP 105078 |
13.89 |
| 2026-04-03 12:00 |
21:16:40.82 |
-19:34:27.3 |
HIP 105078 |
8.49 |
| 2026-04-04 00:00 |
21:17:02.40 |
-19:32:35.8 |
HIP 105078 |
3.25 |
| 2026-04-04 12:00 |
21:17:23.84 |
-19:30:44.7 |
HIP 105078 |
2.73 |
| 2026-04-05 00:00 |
21:17:45.15 |
-19:28:54.1 |
HIP 105078 |
7.86 |
| 2026-04-05 12:00 |
21:18:06.34 |
-19:27:04.0 |
HIP 105078 |
13.14 |
| 2026-04-06 00:00 |
21:18:27.39 |
-19:25:14.3 |
HIP 105078 |
18.41 |
| 2026-04-06 12:00 |
21:18:48.31 |
-19:23:25.1 |
HIP 105078 |
23.65 |
| 2026-04-07 00:00 |
21:19:09.09 |
-19:21:36.4 |
HIP 105078 |
28.87 |
| 2026-04-07 12:00 |
21:19:29.75 |
-19:19:48.2 |
HIP 105436 |
29.28 |
| 2026-04-08 00:00 |
21:19:50.27 |
-19:18:00.4 |
HIP 105436 |
25.84 |
| 2026-04-08 12:00 |
21:20:10.65 |
-19:16:13.2 |
HIP 105436 |
23.06 |
| 2026-04-09 00:00 |
21:20:30.90 |
-19:14:26.4 |
HIP 105436 |
21.20 |
| 2026-04-09 12:00 |
21:20:51.01 |
-19:12:40.2 |
HIP 105436 |
20.47 |
| 2026-04-10 00:00 |
21:21:10.98 |
-19:10:54.5 |
HIP 105436 |
20.96 |
| 2026-04-10 12:00 |
21:21:30.81 |
-19:09:09.3 |
HIP 105436 |
22.58 |
| 2026-04-11 00:00 |
21:21:50.51 |
-19:07:24.6 |
HIP 105465 |
23.34 |
| 2026-04-11 12:00 |
21:22:10.06 |
-19:05:40.4 |
HIP 105465 |
22.41 |
| 2026-04-12 00:00 |
21:22:29.48 |
-19:03:56.8 |
HIP 105465 |
22.54 |
| 2026-04-12 12:00 |
21:22:48.75 |
-19:02:13.7 |
HIP 105465 |
23.69 |
| 2026-04-13 00:00 |
21:23:07.87 |
-19:00:31.2 |
HIP 105465 |
25.71 |
| 2026-04-13 12:00 |
21:23:26.86 |
-18:58:49.3 |
HIP 105735 |
21.34 |
| 2026-04-14 00:00 |
21:23:45.70 |
-18:57:07.9 |
HIP 105735 |
16.82 |
| 2026-04-14 12:00 |
21:24:04.39 |
-18:55:27.0 |
HIP 105735 |
12.51 |
| 2026-04-15 00:00 |
21:24:22.94 |
-18:53:46.8 |
HIP 105735 |
8.69 |
| 2026-04-15 12:00 |
21:24:41.34 |
-18:52:07.1 |
HIP 105735 |
6.21 |
| 2026-04-16 00:00 |
21:24:59.59 |
-18:50:28.0 |
HIP 105735 |
6.69 |