메타데이터
| 항목 |
값 |
| Designation |
P/2014 L3 (Hill) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2014-06-28T13:42:58.343040Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:32:55Z |
| Obs used |
204 |
| NEO |
- |
| M1 |
17.200 |
| K1 |
4.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2014-07-20.0000000 |
| e |
0.77309415 |
| q (au) |
1.853963 |
| a (au) |
8.170627 |
| i (deg) |
6.264056 |
| Ω (om, deg) |
115.566369 |
| ω (w, deg) |
178.609914 |
| M (ma, deg) |
0.904300 |
밝기
산란 + 전체 선형
$$
M_a = (18.106 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
18.106 |
| n |
2.000 |
| gf |
0.998 |
| gb |
-0.631 |
| k |
0.800 |
| 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 |
07:31:58.93 |
+21:40:31.2 |
HIP 36663 |
18.06 |
| 2026-05-12 12:00 |
07:32:04.04 |
+21:40:21.8 |
HIP 36663 |
17.40 |
| 2026-05-13 00:00 |
07:32:09.20 |
+21:40:12.2 |
HIP 36663 |
16.80 |
| 2026-05-13 12:00 |
07:32:14.43 |
+21:40:02.5 |
HIP 36663 |
16.26 |
| 2026-05-14 00:00 |
07:32:19.70 |
+21:39:52.7 |
HIP 36663 |
15.79 |
| 2026-05-14 12:00 |
07:32:25.04 |
+21:39:42.7 |
HIP 36663 |
15.40 |
| 2026-05-15 00:00 |
07:32:30.42 |
+21:39:32.6 |
HIP 36663 |
15.10 |
| 2026-05-15 12:00 |
07:32:35.87 |
+21:39:22.4 |
HIP 36663 |
14.91 |
| 2026-05-16 00:00 |
07:32:41.36 |
+21:39:12.0 |
HIP 36663 |
14.82 |
| 2026-05-16 12:00 |
07:32:46.91 |
+21:39:01.5 |
HIP 36663 |
14.84 |
| 2026-05-17 00:00 |
07:32:52.52 |
+21:38:50.9 |
HIP 36663 |
14.97 |
| 2026-05-17 12:00 |
07:32:58.17 |
+21:38:40.1 |
HIP 36663 |
15.23 |
| 2026-05-18 00:00 |
07:33:03.88 |
+21:38:29.2 |
HIP 36663 |
15.59 |
| 2026-05-18 12:00 |
07:33:09.64 |
+21:38:18.2 |
HIP 36663 |
16.06 |
| 2026-05-19 00:00 |
07:33:15.46 |
+21:38:07.0 |
HIP 36663 |
16.64 |
| 2026-05-19 12:00 |
07:33:21.32 |
+21:37:55.7 |
HIP 36663 |
17.31 |
| 2026-05-20 00:00 |
07:33:27.24 |
+21:37:44.3 |
HIP 36663 |
18.06 |
| 2026-05-20 12:00 |
07:33:33.20 |
+21:37:32.8 |
HIP 36663 |
18.90 |
| 2026-05-21 00:00 |
07:33:39.22 |
+21:37:21.1 |
HIP 36663 |
19.81 |
| 2026-05-21 12:00 |
07:33:45.28 |
+21:37:09.3 |
HIP 36663 |
20.78 |
| 2026-05-22 00:00 |
07:33:51.40 |
+21:36:57.3 |
HIP 36663 |
21.81 |
| 2026-05-22 12:00 |
07:33:57.56 |
+21:36:45.3 |
HIP 36663 |
22.89 |
| 2026-05-23 00:00 |
07:34:03.77 |
+21:36:33.1 |
HIP 36663 |
24.02 |
| 2026-05-23 12:00 |
07:34:10.03 |
+21:36:20.8 |
HIP 36663 |
25.19 |
| 2026-05-24 00:00 |
07:34:16.33 |
+21:36:08.3 |
HIP 36663 |
26.40 |
| 2026-05-24 12:00 |
07:34:22.69 |
+21:35:55.8 |
HIP 36663 |
27.64 |
| 2026-05-25 00:00 |
07:34:29.08 |
+21:35:43.1 |
HIP 36663 |
28.92 |
| 2026-05-25 12:00 |
07:34:35.53 |
+21:35:30.3 |
HIP 36789 |
29.25 |
| 2026-05-26 00:00 |
07:34:42.02 |
+21:35:17.4 |
HIP 36789 |
29.50 |
| 2026-05-26 12:00 |
07:34:48.56 |
+21:35:04.4 |
HIP 36789 |
29.84 |
| 2026-05-27 00:00 |
07:34:55.14 |
+21:34:51.2 |
HIP 36789 |
30.25 |
| 2026-05-27 12:00 |
07:35:01.76 |
+21:34:37.9 |
HIP 36789 |
30.73 |
| 2026-05-28 00:00 |
07:35:08.43 |
+21:34:24.5 |
HIP 36789 |
31.29 |
| 2026-05-28 12:00 |
07:35:15.14 |
+21:34:11.0 |
HIP 37084 |
29.99 |
| 2026-05-29 00:00 |
07:35:21.90 |
+21:33:57.4 |
HIP 37084 |
28.46 |
| 2026-05-29 12:00 |
07:35:28.69 |
+21:33:43.6 |
HIP 37084 |
26.92 |
| 2026-05-30 00:00 |
07:35:35.53 |
+21:33:29.7 |
HIP 37084 |
25.39 |
| 2026-05-30 12:00 |
07:35:42.42 |
+21:33:15.8 |
HIP 37084 |
23.85 |
| 2026-05-31 00:00 |
07:35:49.34 |
+21:33:01.7 |
HIP 37084 |
22.31 |
| 2026-05-31 12:00 |
07:35:56.31 |
+21:32:47.5 |
HIP 37084 |
20.79 |
| 2026-06-01 00:00 |
07:36:03.31 |
+21:32:33.1 |
HIP 37084 |
19.26 |
| 2026-06-01 12:00 |
07:36:10.36 |
+21:32:18.7 |
HIP 37084 |
17.76 |
| 2026-06-02 00:00 |
07:36:17.44 |
+21:32:04.1 |
HIP 37084 |
16.27 |