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) |
| 2026-03-26 00:00 |
07:28:51.37 |
+21:44:17.6 |
HIP 36307 |
12.90 |
| 2026-03-26 12:00 |
07:28:50.01 |
+21:44:22.5 |
HIP 36307 |
12.82 |
| 2026-03-27 00:00 |
07:28:48.72 |
+21:44:27.2 |
HIP 36307 |
12.76 |
| 2026-03-27 12:00 |
07:28:47.51 |
+21:44:31.8 |
HIP 36307 |
12.71 |
| 2026-03-28 00:00 |
07:28:46.38 |
+21:44:36.2 |
HIP 36307 |
12.67 |
| 2026-03-28 12:00 |
07:28:45.32 |
+21:44:40.4 |
HIP 36307 |
12.64 |
| 2026-03-29 00:00 |
07:28:44.33 |
+21:44:44.4 |
HIP 36307 |
12.62 |
| 2026-03-29 12:00 |
07:28:43.42 |
+21:44:48.4 |
HIP 36307 |
12.60 |
| 2026-03-30 00:00 |
07:28:42.59 |
+21:44:52.1 |
HIP 36307 |
12.60 |
| 2026-03-30 12:00 |
07:28:41.83 |
+21:44:55.7 |
HIP 36307 |
12.60 |
| 2026-03-31 00:00 |
07:28:41.15 |
+21:44:59.1 |
HIP 36307 |
12.60 |
| 2026-03-31 12:00 |
07:28:40.54 |
+21:45:02.3 |
HIP 36307 |
12.61 |
| 2026-04-01 00:00 |
07:28:40.01 |
+21:45:05.4 |
HIP 36307 |
12.63 |
| 2026-04-01 12:00 |
07:28:39.55 |
+21:45:08.4 |
HIP 36307 |
12.65 |
| 2026-04-02 00:00 |
07:28:39.17 |
+21:45:11.1 |
HIP 36307 |
12.67 |
| 2026-04-02 12:00 |
07:28:38.86 |
+21:45:13.8 |
HIP 36307 |
12.69 |
| 2026-04-03 00:00 |
07:28:38.63 |
+21:45:16.2 |
HIP 36307 |
12.72 |
| 2026-04-03 12:00 |
07:28:38.47 |
+21:45:18.5 |
HIP 36307 |
12.74 |
| 2026-04-04 00:00 |
07:28:38.39 |
+21:45:20.6 |
HIP 36307 |
12.77 |
| 2026-04-04 12:00 |
07:28:38.38 |
+21:45:22.6 |
HIP 36307 |
12.80 |
| 2026-04-05 00:00 |
07:28:38.44 |
+21:45:24.4 |
HIP 36307 |
12.84 |
| 2026-04-05 12:00 |
07:28:38.58 |
+21:45:26.1 |
HIP 36307 |
12.87 |
| 2026-04-06 00:00 |
07:28:38.80 |
+21:45:27.6 |
HIP 36307 |
12.91 |
| 2026-04-06 12:00 |
07:28:39.09 |
+21:45:28.9 |
HIP 36307 |
12.95 |
| 2026-04-07 00:00 |
07:28:39.45 |
+21:45:30.1 |
HIP 36307 |
12.99 |
| 2026-04-07 12:00 |
07:28:39.89 |
+21:45:31.1 |
HIP 36307 |
13.03 |
| 2026-04-08 00:00 |
07:28:40.40 |
+21:45:32.0 |
HIP 36307 |
13.08 |
| 2026-04-08 12:00 |
07:28:40.98 |
+21:45:32.7 |
HIP 36307 |
13.13 |
| 2026-04-09 00:00 |
07:28:41.64 |
+21:45:33.3 |
HIP 36307 |
13.18 |
| 2026-04-09 12:00 |
07:28:42.38 |
+21:45:33.6 |
HIP 36307 |
13.24 |
| 2026-04-10 00:00 |
07:28:43.18 |
+21:45:33.9 |
HIP 36307 |
13.30 |
| 2026-04-10 12:00 |
07:28:44.07 |
+21:45:34.0 |
HIP 36307 |
13.37 |
| 2026-04-11 00:00 |
07:28:45.02 |
+21:45:33.9 |
HIP 36307 |
13.44 |
| 2026-04-11 12:00 |
07:28:46.05 |
+21:45:33.6 |
HIP 36307 |
13.53 |
| 2026-04-12 00:00 |
07:28:47.15 |
+21:45:33.2 |
HIP 36307 |
13.61 |
| 2026-04-12 12:00 |
07:28:48.32 |
+21:45:32.7 |
HIP 36307 |
13.71 |
| 2026-04-13 00:00 |
07:28:49.57 |
+21:45:31.9 |
HIP 36307 |
13.82 |
| 2026-04-13 12:00 |
07:28:50.89 |
+21:45:31.1 |
HIP 36307 |
13.94 |
| 2026-04-14 00:00 |
07:28:52.28 |
+21:45:30.0 |
HIP 36307 |
14.07 |
| 2026-04-14 12:00 |
07:28:53.75 |
+21:45:28.9 |
HIP 36307 |
14.21 |
| 2026-04-15 00:00 |
07:28:55.29 |
+21:45:27.5 |
HIP 36307 |
14.36 |
| 2026-04-15 12:00 |
07:28:56.90 |
+21:45:26.0 |
HIP 36307 |
14.53 |
| 2026-04-16 00:00 |
07:28:58.58 |
+21:45:24.4 |
HIP 36307 |
14.71 |