메타데이터
| 항목 |
값 |
| Designation |
P/2015 K5 (PANSTARRS) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2015-06-06T08:58:18.402240Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:33:11Z |
| Obs used |
56 |
| NEO |
- |
| M1 |
13.700 |
| K1 |
10.000 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2015-06-12.0000000 |
| e |
0.55395709 |
| q (au) |
2.986133 |
| a (au) |
6.694721 |
| i (deg) |
39.987279 |
| Ω (om, deg) |
134.269042 |
| ω (w, deg) |
105.994786 |
| M (ma, deg) |
0.320124 |
밝기
산란 + 전체 선형
$$
M_a = (15.097 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
15.097 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.500 |
| 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) |
| 2026-06-01 00:00 |
05:36:03.27 |
-06:23:28.1 |
HIP 26327 |
20.25 |
| 2026-06-01 12:00 |
05:36:15.97 |
-06:22:45.4 |
HIP 26403 |
18.78 |
| 2026-06-02 00:00 |
05:36:28.69 |
-06:22:03.3 |
HIP 26403 |
17.04 |
| 2026-06-02 12:00 |
05:36:41.43 |
-06:21:21.9 |
HIP 26403 |
15.77 |
| 2026-06-03 00:00 |
05:36:54.18 |
-06:20:41.1 |
HIP 26403 |
15.09 |
| 2026-06-03 12:00 |
05:37:06.95 |
-06:20:00.9 |
HIP 26403 |
15.08 |
| 2026-06-04 00:00 |
05:37:19.74 |
-06:19:21.3 |
HIP 26403 |
15.74 |
| 2026-06-04 12:00 |
05:37:32.55 |
-06:18:42.5 |
HIP 26403 |
16.99 |
| 2026-06-05 00:00 |
05:37:45.37 |
-06:18:04.2 |
HIP 26530 |
14.77 |
| 2026-06-05 12:00 |
05:37:58.21 |
-06:17:26.6 |
HIP 26530 |
11.84 |
| 2026-06-06 00:00 |
05:38:11.06 |
-06:16:49.6 |
HIP 26530 |
9.14 |
| 2026-06-06 12:00 |
05:38:23.93 |
-06:16:13.3 |
HIP 26530 |
6.93 |
| 2026-06-07 00:00 |
05:38:36.81 |
-06:15:37.6 |
HIP 26530 |
5.82 |
| 2026-06-07 12:00 |
05:38:49.71 |
-06:15:02.6 |
HIP 26530 |
6.40 |
| 2026-06-08 00:00 |
05:39:02.62 |
-06:14:28.2 |
HIP 26530 |
8.34 |
| 2026-06-08 12:00 |
05:39:15.54 |
-06:13:54.4 |
HIP 26530 |
10.93 |
| 2026-06-09 00:00 |
05:39:28.47 |
-06:13:21.3 |
HIP 26530 |
13.82 |
| 2026-06-09 12:00 |
05:39:41.42 |
-06:12:48.9 |
HIP 26530 |
16.84 |
| 2026-06-10 00:00 |
05:39:54.37 |
-06:12:17.1 |
HIP 26530 |
19.95 |
| 2026-06-10 12:00 |
05:40:07.34 |
-06:11:46.0 |
HIP 26530 |
23.10 |
| 2026-06-11 00:00 |
05:40:20.32 |
-06:11:15.5 |
HIP 26588 |
25.47 |
| 2026-06-11 12:00 |
05:40:33.30 |
-06:10:45.6 |
HIP 26588 |
27.61 |
| 2026-06-12 00:00 |
05:40:46.29 |
-06:10:16.4 |
HIP 26588 |
29.96 |
| 2026-06-12 12:00 |
05:40:59.30 |
-06:09:47.9 |
HIP 26588 |
32.47 |
| 2026-06-13 00:00 |
05:41:12.31 |
-06:09:20.0 |
HIP 26949 |
34.99 |
| 2026-06-13 12:00 |
05:41:25.32 |
-06:08:52.8 |
HIP 26949 |
32.16 |
| 2026-06-14 00:00 |
05:41:38.35 |
-06:08:26.3 |
HIP 26949 |
29.43 |
| 2026-06-14 12:00 |
05:41:51.37 |
-06:08:00.4 |
HIP 26949 |
26.82 |
| 2026-06-15 00:00 |
05:42:04.41 |
-06:07:35.1 |
HIP 26949 |
24.39 |
| 2026-06-15 12:00 |
05:42:17.45 |
-06:07:10.5 |
HIP 26949 |
22.17 |
| 2026-06-16 00:00 |
05:42:30.49 |
-06:06:46.6 |
HIP 27008 |
20.15 |
| 2026-06-16 12:00 |
05:42:43.53 |
-06:06:23.3 |
HIP 27008 |
17.40 |
| 2026-06-17 00:00 |
05:42:56.58 |
-06:06:00.7 |
HIP 27008 |
14.85 |
| 2026-06-17 12:00 |
05:43:09.63 |
-06:05:38.8 |
HIP 27008 |
12.62 |
| 2026-06-18 00:00 |
05:43:22.68 |
-06:05:17.5 |
HIP 27008 |
10.91 |
| 2026-06-18 12:00 |
05:43:35.73 |
-06:04:56.8 |
HIP 27008 |
10.00 |
| 2026-06-19 00:00 |
05:43:48.78 |
-06:04:36.8 |
HIP 27008 |
10.10 |
| 2026-06-19 12:00 |
05:44:01.83 |
-06:04:17.5 |
HIP 27008 |
11.18 |
| 2026-06-20 00:00 |
05:44:14.88 |
-06:03:58.8 |
HIP 27008 |
13.01 |
| 2026-06-20 12:00 |
05:44:27.93 |
-06:03:40.8 |
HIP 27008 |
15.31 |
| 2026-06-21 00:00 |
05:44:40.98 |
-06:03:23.4 |
HIP 27008 |
17.90 |
| 2026-06-21 12:00 |
05:44:54.02 |
-06:03:06.7 |
HIP 27008 |
20.67 |
| 2026-06-22 00:00 |
05:45:07.06 |
-06:02:50.7 |
HIP 27008 |
23.56 |