메타데이터
| 항목 |
값 |
| Designation |
P/2017 K3 (Gasparovic) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2017-05-31T11:45:35.870400Z |
| Orbit solution date (soln_date, UTC) |
2021-07-01T22:13:00Z |
| Obs used |
99 |
| NEO |
- |
| M1 |
7.600 |
| K1 |
29.000 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2017-06-04.0000000 |
| e |
0.58118013 |
| q (au) |
2.334209 |
| a (au) |
5.573301 |
| i (deg) |
4.279072 |
| Ω (om, deg) |
354.328342 |
| ω (w, deg) |
253.209247 |
| M (ma, deg) |
0.262932 |
밝기
산란 + 전체 선형
$$
M_a = (11.811 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
11.811 |
| n |
6.000 |
| gf |
0.996 |
| gb |
-0.500 |
| 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 |
05:53:21.85 |
+27:13:02.1 |
HIP 27817 |
10.73 |
| 2026-06-01 12:00 |
05:53:39.40 |
+27:13:00.1 |
HIP 27817 |
12.29 |
| 2026-06-02 00:00 |
05:53:56.99 |
+27:12:58.1 |
HIP 27817 |
14.76 |
| 2026-06-02 12:00 |
05:54:14.61 |
+27:12:56.0 |
HIP 27982 |
13.30 |
| 2026-06-03 00:00 |
05:54:32.25 |
+27:12:53.9 |
HIP 27982 |
10.35 |
| 2026-06-03 12:00 |
05:54:49.93 |
+27:12:51.8 |
HIP 27982 |
8.26 |
| 2026-06-04 00:00 |
05:55:07.64 |
+27:12:49.7 |
HIP 27982 |
7.75 |
| 2026-06-04 12:00 |
05:55:25.37 |
+27:12:47.5 |
HIP 27982 |
9.11 |
| 2026-06-05 00:00 |
05:55:43.14 |
+27:12:45.3 |
HIP 27982 |
11.71 |
| 2026-06-05 12:00 |
05:56:00.93 |
+27:12:43.1 |
HIP 27982 |
14.92 |
| 2026-06-06 00:00 |
05:56:18.75 |
+27:12:40.8 |
HIP 28164 |
12.17 |
| 2026-06-06 12:00 |
05:56:36.60 |
+27:12:38.5 |
HIP 28164 |
9.05 |
| 2026-06-07 00:00 |
05:56:54.47 |
+27:12:36.2 |
HIP 28164 |
6.86 |
| 2026-06-07 12:00 |
05:57:12.37 |
+27:12:33.8 |
HIP 28164 |
6.61 |
| 2026-06-08 00:00 |
05:57:30.29 |
+27:12:31.4 |
HIP 28164 |
8.50 |
| 2026-06-08 12:00 |
05:57:48.24 |
+27:12:29.0 |
HIP 28164 |
11.51 |
| 2026-06-09 00:00 |
05:58:06.21 |
+27:12:26.6 |
HIP 28164 |
14.99 |
| 2026-06-09 12:00 |
05:58:24.20 |
+27:12:24.1 |
HIP 28164 |
18.68 |
| 2026-06-10 00:00 |
05:58:42.22 |
+27:12:21.5 |
HIP 28417 |
19.05 |
| 2026-06-10 12:00 |
05:59:00.26 |
+27:12:19.0 |
HIP 28417 |
15.17 |
| 2026-06-11 00:00 |
05:59:18.32 |
+27:12:16.3 |
HIP 28417 |
11.36 |
| 2026-06-11 12:00 |
05:59:36.40 |
+27:12:13.7 |
HIP 28417 |
7.77 |
| 2026-06-12 00:00 |
05:59:54.50 |
+27:12:11.0 |
HIP 28417 |
4.89 |
| 2026-06-12 12:00 |
06:00:12.62 |
+27:12:08.3 |
HIP 28417 |
4.45 |
| 2026-06-13 00:00 |
06:00:30.75 |
+27:12:05.5 |
HIP 28417 |
6.94 |
| 2026-06-13 12:00 |
06:00:48.91 |
+27:12:02.7 |
HIP 28528 |
8.13 |
| 2026-06-14 00:00 |
06:01:07.08 |
+27:12:00.0 |
HIP 28528 |
5.49 |
| 2026-06-14 12:00 |
06:01:25.27 |
+27:11:57.0 |
HIP 28528 |
5.19 |
| 2026-06-15 00:00 |
06:01:43.47 |
+27:11:54.1 |
HIP 28584 |
4.50 |
| 2026-06-15 12:00 |
06:02:01.69 |
+27:11:51.2 |
HIP 28584 |
0.70 |
| 2026-06-16 00:00 |
06:02:19.92 |
+27:11:48.2 |
HIP 28584 |
3.68 |
| 2026-06-16 12:00 |
06:02:38.16 |
+27:11:45.1 |
HIP 28584 |
7.72 |
| 2026-06-17 00:00 |
06:02:56.42 |
+27:11:42.1 |
HIP 28584 |
11.77 |
| 2026-06-17 12:00 |
06:03:14.69 |
+27:11:38.9 |
HIP 28584 |
15.83 |
| 2026-06-18 00:00 |
06:03:32.97 |
+27:11:35.8 |
HIP 28584 |
19.89 |
| 2026-06-18 12:00 |
06:03:51.26 |
+27:11:32.6 |
HIP 28723 |
22.79 |
| 2026-06-19 00:00 |
06:04:09.56 |
+27:11:29.3 |
HIP 28723 |
22.82 |
| 2026-06-19 12:00 |
06:04:27.87 |
+27:11:26.1 |
HIP 28723 |
23.56 |
| 2026-06-20 00:00 |
06:04:46.19 |
+27:11:22.7 |
HIP 28939 |
24.23 |
| 2026-06-20 12:00 |
06:05:04.52 |
+27:11:19.4 |
HIP 28939 |
20.41 |
| 2026-06-21 00:00 |
06:05:22.85 |
+27:11:16.0 |
HIP 28939 |
16.70 |
| 2026-06-21 12:00 |
06:05:41.19 |
+27:11:12.5 |
HIP 28939 |
13.22 |
| 2026-06-22 00:00 |
06:05:59.53 |
+27:11:09.0 |
HIP 28939 |
10.19 |