메타데이터
| 항목 |
값 |
| Designation |
P/2024 K1 (PANSTARRS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2024-04-24T19:33:39.119040Z |
| Orbit solution date (soln_date, UTC) |
2025-01-14T17:42:19Z |
| Obs used |
36 |
| NEO |
- |
| M1 |
13.300 |
| K1 |
10.000 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2024-05-30T10:02:35.894400Z |
| Discovery magnitude (MPC) |
20.79 w |
| Discovery observatory (MPC) |
F51 · Pan-STARRS 1, Haleakala |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2024-06-02.0000000 |
| e |
0.49069432 |
| q (au) |
3.482639 |
| a (au) |
6.838013 |
| i (deg) |
1.820532 |
| Ω (om, deg) |
251.623065 |
| ω (w, deg) |
349.434539 |
| M (ma, deg) |
2.104755 |
밝기
산란 + 전체 선형
$$
M_a = (20.000 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
20.000 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.901 |
| k |
0.980 |
| 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) |
| 2026-09-20 00:00 |
23:01:59.83 |
-03:50:45.2 |
HIP 113740 |
1.54 |
| 2026-09-20 12:00 |
23:01:47.18 |
-03:52:08.2 |
HIP 113718 |
1.61 |
| 2026-09-21 00:00 |
23:01:34.59 |
-03:53:30.9 |
HIP 113718 |
4.93 |
| 2026-09-21 12:00 |
23:01:22.05 |
-03:54:53.3 |
HIP 113718 |
8.32 |
| 2026-09-22 00:00 |
23:01:09.59 |
-03:56:15.4 |
HIP 113718 |
11.71 |
| 2026-09-22 12:00 |
23:00:57.19 |
-03:57:37.1 |
HIP 113718 |
15.08 |
| 2026-09-23 00:00 |
23:00:44.85 |
-03:58:58.6 |
HIP 113718 |
18.44 |
| 2026-09-23 12:00 |
23:00:32.59 |
-04:00:19.7 |
HIP 113718 |
21.78 |
| 2026-09-24 00:00 |
23:00:20.39 |
-04:01:40.5 |
HIP 113537 |
22.42 |
| 2026-09-24 12:00 |
23:00:08.27 |
-04:03:00.9 |
HIP 113537 |
20.01 |
| 2026-09-25 00:00 |
22:59:56.22 |
-04:04:21.0 |
HIP 113537 |
17.90 |
| 2026-09-25 12:00 |
22:59:44.25 |
-04:05:40.6 |
HIP 113537 |
16.20 |
| 2026-09-26 00:00 |
22:59:32.36 |
-04:07:00.0 |
HIP 113537 |
15.02 |
| 2026-09-26 12:00 |
22:59:20.54 |
-04:08:18.8 |
HIP 113537 |
14.50 |
| 2026-09-27 00:00 |
22:59:08.81 |
-04:09:37.2 |
HIP 113537 |
14.67 |
| 2026-09-27 12:00 |
22:58:57.16 |
-04:10:55.3 |
HIP 113537 |
15.51 |
| 2026-09-28 00:00 |
22:58:45.60 |
-04:12:12.8 |
HIP 113537 |
16.90 |
| 2026-09-28 12:00 |
22:58:34.12 |
-04:13:30.0 |
HIP 113440 |
16.65 |
| 2026-09-29 00:00 |
22:58:22.73 |
-04:14:46.7 |
HIP 113440 |
15.47 |
| 2026-09-29 12:00 |
22:58:11.42 |
-04:16:02.9 |
HIP 113440 |
14.85 |
| 2026-09-30 00:00 |
22:58:00.21 |
-04:17:18.6 |
HIP 113440 |
14.86 |
| 2026-09-30 12:00 |
22:57:49.10 |
-04:18:33.9 |
HIP 113440 |
15.48 |
| 2026-10-01 00:00 |
22:57:38.07 |
-04:19:48.6 |
HIP 113440 |
16.62 |
| 2026-10-01 12:00 |
22:57:27.14 |
-04:21:02.9 |
HIP 113440 |
18.19 |
| 2026-10-02 00:00 |
22:57:16.31 |
-04:22:16.6 |
HIP 113440 |
20.06 |
| 2026-10-02 12:00 |
22:57:05.58 |
-04:23:29.8 |
HIP 113440 |
22.15 |
| 2026-10-03 00:00 |
22:56:54.95 |
-04:24:42.4 |
HIP 113440 |
24.39 |
| 2026-10-03 12:00 |
22:56:44.42 |
-04:25:54.5 |
HIP 113345 |
24.12 |
| 2026-10-04 00:00 |
22:56:33.99 |
-04:27:06.1 |
HIP 113345 |
24.05 |
| 2026-10-04 12:00 |
22:56:23.67 |
-04:28:17.0 |
HIP 113345 |
24.31 |
| 2026-10-05 00:00 |
22:56:13.46 |
-04:29:27.4 |
HIP 113345 |
24.88 |
| 2026-10-05 12:00 |
22:56:03.35 |
-04:30:37.2 |
HIP 113345 |
25.73 |
| 2026-10-06 00:00 |
22:55:53.36 |
-04:31:46.4 |
HIP 113091 |
26.25 |
| 2026-10-06 12:00 |
22:55:43.48 |
-04:32:55.0 |
HIP 113091 |
24.15 |
| 2026-10-07 00:00 |
22:55:33.70 |
-04:34:02.9 |
HIP 113091 |
22.21 |
| 2026-10-07 12:00 |
22:55:24.05 |
-04:35:10.2 |
HIP 113091 |
20.47 |
| 2026-10-08 00:00 |
22:55:14.51 |
-04:36:16.9 |
HIP 113091 |
18.95 |
| 2026-10-08 12:00 |
22:55:05.08 |
-04:37:22.9 |
HIP 113091 |
17.71 |
| 2026-10-09 00:00 |
22:54:55.78 |
-04:38:28.3 |
HIP 113091 |
16.79 |
| 2026-10-09 12:00 |
22:54:46.59 |
-04:39:33.0 |
HIP 113056 |
15.56 |
| 2026-10-10 00:00 |
22:54:37.53 |
-04:40:37.0 |
HIP 113056 |
13.35 |
| 2026-10-10 12:00 |
22:54:28.59 |
-04:41:40.3 |
HIP 113056 |
11.30 |
| 2026-10-11 00:00 |
22:54:19.77 |
-04:42:42.9 |
HIP 113056 |
9.46 |