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) |
| 2026-07-29 00:00 |
23:22:53.02 |
-01:43:27.5 |
HIP 115572 |
26.47 |
| 2026-07-29 12:00 |
23:22:45.54 |
-01:44:06.9 |
HIP 115302 |
25.00 |
| 2026-07-30 00:00 |
23:22:37.92 |
-01:44:47.3 |
HIP 115302 |
23.47 |
| 2026-07-30 12:00 |
23:22:30.17 |
-01:45:28.6 |
HIP 115302 |
22.00 |
| 2026-07-31 00:00 |
23:22:22.29 |
-01:46:10.9 |
HIP 115302 |
20.60 |
| 2026-07-31 12:00 |
23:22:14.28 |
-01:46:54.0 |
HIP 115302 |
19.31 |
| 2026-08-01 00:00 |
23:22:06.13 |
-01:47:38.1 |
HIP 115302 |
18.17 |
| 2026-08-01 12:00 |
23:21:57.86 |
-01:48:23.0 |
HIP 115302 |
17.21 |
| 2026-08-02 00:00 |
23:21:49.45 |
-01:49:08.8 |
HIP 115302 |
16.48 |
| 2026-08-02 12:00 |
23:21:40.92 |
-01:49:55.6 |
HIP 115302 |
16.04 |
| 2026-08-03 00:00 |
23:21:32.27 |
-01:50:43.2 |
HIP 115302 |
15.91 |
| 2026-08-03 12:00 |
23:21:23.49 |
-01:51:31.7 |
HIP 115302 |
16.12 |
| 2026-08-04 00:00 |
23:21:14.58 |
-01:52:21.1 |
HIP 115302 |
16.67 |
| 2026-08-04 12:00 |
23:21:05.55 |
-01:53:11.3 |
HIP 115302 |
17.55 |
| 2026-08-05 00:00 |
23:20:56.40 |
-01:54:02.4 |
HIP 115302 |
18.72 |
| 2026-08-05 12:00 |
23:20:47.12 |
-01:54:54.4 |
HIP 115302 |
20.14 |
| 2026-08-06 00:00 |
23:20:37.73 |
-01:55:47.2 |
HIP 115302 |
21.77 |
| 2026-08-06 12:00 |
23:20:28.22 |
-01:56:40.8 |
HIP 115302 |
23.58 |
| 2026-08-07 00:00 |
23:20:18.59 |
-01:57:35.3 |
HIP 115091 |
24.97 |
| 2026-08-07 12:00 |
23:20:08.85 |
-01:58:30.6 |
HIP 115091 |
22.65 |
| 2026-08-08 00:00 |
23:19:58.99 |
-01:59:26.7 |
HIP 115091 |
20.37 |
| 2026-08-08 12:00 |
23:19:49.02 |
-02:00:23.6 |
HIP 115091 |
18.16 |
| 2026-08-09 00:00 |
23:19:38.93 |
-02:01:21.4 |
HIP 115091 |
16.07 |
| 2026-08-09 12:00 |
23:19:28.74 |
-02:02:19.9 |
HIP 115091 |
14.17 |
| 2026-08-10 00:00 |
23:19:18.43 |
-02:03:19.2 |
HIP 115091 |
12.56 |
| 2026-08-10 12:00 |
23:19:08.02 |
-02:04:19.3 |
HIP 115091 |
11.39 |
| 2026-08-11 00:00 |
23:18:57.51 |
-02:05:20.2 |
HIP 115091 |
10.83 |
| 2026-08-11 12:00 |
23:18:46.88 |
-02:06:21.8 |
HIP 115091 |
11.00 |
| 2026-08-12 00:00 |
23:18:36.16 |
-02:07:24.2 |
HIP 115091 |
11.88 |
| 2026-08-12 12:00 |
23:18:25.33 |
-02:08:27.3 |
HIP 115091 |
13.35 |
| 2026-08-13 00:00 |
23:18:14.41 |
-02:09:31.1 |
HIP 115091 |
15.26 |
| 2026-08-13 12:00 |
23:18:03.39 |
-02:10:35.7 |
HIP 115091 |
17.48 |
| 2026-08-14 00:00 |
23:17:52.27 |
-02:11:40.9 |
HIP 115074 |
19.85 |
| 2026-08-14 12:00 |
23:17:41.06 |
-02:12:46.9 |
HIP 115074 |
22.17 |
| 2026-08-15 00:00 |
23:17:29.75 |
-02:13:53.5 |
HIP 115074 |
24.67 |
| 2026-08-15 12:00 |
23:17:18.36 |
-02:15:00.9 |
HIP 115074 |
27.30 |
| 2026-08-16 00:00 |
23:17:06.87 |
-02:16:08.8 |
HIP 115074 |
30.03 |
| 2026-08-16 12:00 |
23:16:55.30 |
-02:17:17.5 |
HIP 115074 |
32.85 |
| 2026-08-17 00:00 |
23:16:43.65 |
-02:18:26.7 |
HIP 115074 |
35.74 |
| 2026-08-17 12:00 |
23:16:31.91 |
-02:19:36.6 |
HIP 115074 |
38.68 |
| 2026-08-18 00:00 |
23:16:20.09 |
-02:20:47.1 |
HIP 114700 |
37.61 |
| 2026-08-18 12:00 |
23:16:08.19 |
-02:21:58.2 |
HIP 114700 |
34.43 |
| 2026-08-19 00:00 |
23:15:56.22 |
-02:23:09.9 |
HIP 114700 |
31.23 |