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 |
0.999 |
| gb |
-0.502 |
| 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) |
| 2026-05-12 00:00 |
05:42:13.23 |
+27:14:11.4 |
HIP 27016 |
21.58 |
| 2026-05-12 12:00 |
05:42:28.97 |
+27:14:09.6 |
HIP 27016 |
18.15 |
| 2026-05-13 00:00 |
05:42:44.76 |
+27:14:07.9 |
HIP 27016 |
14.73 |
| 2026-05-13 12:00 |
05:43:00.62 |
+27:14:06.2 |
HIP 27016 |
11.36 |
| 2026-05-14 00:00 |
05:43:16.53 |
+27:14:04.5 |
HIP 27016 |
8.10 |
| 2026-05-14 12:00 |
05:43:32.50 |
+27:14:02.8 |
HIP 27016 |
5.22 |
| 2026-05-15 00:00 |
05:43:48.53 |
+27:14:01.2 |
HIP 27016 |
3.75 |
| 2026-05-15 12:00 |
05:44:04.61 |
+27:13:59.5 |
HIP 27016 |
5.12 |
| 2026-05-16 00:00 |
05:44:20.75 |
+27:13:57.9 |
HIP 27071 |
1.56 |
| 2026-05-16 12:00 |
05:44:36.94 |
+27:13:56.2 |
HIP 27071 |
2.05 |
| 2026-05-17 00:00 |
05:44:53.18 |
+27:13:54.6 |
HIP 27071 |
5.66 |
| 2026-05-17 12:00 |
05:45:09.48 |
+27:13:52.9 |
HIP 27071 |
9.28 |
| 2026-05-18 00:00 |
05:45:25.83 |
+27:13:51.3 |
HIP 27071 |
12.92 |
| 2026-05-18 12:00 |
05:45:42.24 |
+27:13:49.6 |
HIP 27071 |
16.56 |
| 2026-05-19 00:00 |
05:45:58.69 |
+27:13:48.0 |
HIP 27071 |
20.22 |
| 2026-05-19 12:00 |
05:46:15.19 |
+27:13:46.4 |
HIP 27071 |
23.89 |
| 2026-05-20 00:00 |
05:46:31.74 |
+27:13:44.7 |
HIP 27071 |
27.57 |
| 2026-05-20 12:00 |
05:46:48.34 |
+27:13:43.1 |
HIP 27456 |
28.00 |
| 2026-05-21 00:00 |
05:47:04.99 |
+27:13:41.4 |
HIP 27456 |
24.50 |
| 2026-05-21 12:00 |
05:47:21.69 |
+27:13:39.8 |
HIP 27456 |
21.04 |
| 2026-05-22 00:00 |
05:47:38.43 |
+27:13:38.1 |
HIP 27456 |
17.69 |
| 2026-05-22 12:00 |
05:47:55.21 |
+27:13:36.4 |
HIP 27456 |
14.50 |
| 2026-05-23 00:00 |
05:48:12.04 |
+27:13:34.8 |
HIP 27456 |
11.64 |
| 2026-05-23 12:00 |
05:48:28.92 |
+27:13:33.1 |
HIP 27456 |
9.40 |
| 2026-05-24 00:00 |
05:48:45.83 |
+27:13:31.4 |
HIP 27456 |
8.33 |
| 2026-05-24 12:00 |
05:49:02.79 |
+27:13:29.7 |
HIP 27456 |
8.88 |
| 2026-05-25 00:00 |
05:49:19.79 |
+27:13:28.0 |
HIP 27527 |
8.42 |
| 2026-05-25 12:00 |
05:49:36.84 |
+27:13:26.2 |
HIP 27527 |
6.42 |
| 2026-05-26 00:00 |
05:49:53.92 |
+27:13:24.5 |
HIP 27527 |
6.36 |
| 2026-05-26 12:00 |
05:50:11.04 |
+27:13:22.7 |
HIP 27527 |
8.28 |
| 2026-05-27 00:00 |
05:50:28.21 |
+27:13:20.9 |
HIP 27527 |
11.21 |
| 2026-05-27 12:00 |
05:50:45.41 |
+27:13:19.2 |
HIP 27527 |
14.57 |
| 2026-05-28 00:00 |
05:51:02.65 |
+27:13:17.3 |
HIP 27605 |
17.76 |
| 2026-05-28 12:00 |
05:51:19.92 |
+27:13:15.5 |
HIP 27605 |
19.24 |
| 2026-05-29 00:00 |
05:51:37.23 |
+27:13:13.7 |
HIP 27605 |
21.32 |
| 2026-05-29 12:00 |
05:51:54.58 |
+27:13:11.8 |
HIP 27817 |
19.70 |
| 2026-05-30 00:00 |
05:52:11.97 |
+27:13:09.9 |
HIP 27817 |
16.54 |
| 2026-05-30 12:00 |
05:52:29.39 |
+27:13:08.0 |
HIP 27817 |
13.74 |
| 2026-05-31 00:00 |
05:52:46.84 |
+27:13:06.1 |
HIP 27817 |
11.58 |
| 2026-05-31 12:00 |
05:53:04.33 |
+27:13:04.1 |
HIP 27817 |
10.46 |
| 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 |