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 |
1.000 |
| 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) |
| 2026-07-29 00:00 |
07:52:19.50 |
+20:55:20.9 |
HIP 38352 |
15.06 |
| 2026-07-29 12:00 |
07:52:28.32 |
+20:54:59.0 |
HIP 38528 |
13.66 |
| 2026-07-30 00:00 |
07:52:37.12 |
+20:54:37.0 |
HIP 38528 |
11.62 |
| 2026-07-30 12:00 |
07:52:45.91 |
+20:54:15.1 |
HIP 38528 |
9.59 |
| 2026-07-31 00:00 |
07:52:54.69 |
+20:53:53.1 |
HIP 38528 |
7.59 |
| 2026-07-31 12:00 |
07:53:03.46 |
+20:53:31.2 |
HIP 38528 |
5.65 |
| 2026-08-01 00:00 |
07:53:12.22 |
+20:53:09.2 |
HIP 38528 |
3.88 |
| 2026-08-01 12:00 |
07:53:20.96 |
+20:52:47.3 |
HIP 38528 |
2.60 |
| 2026-08-02 00:00 |
07:53:29.69 |
+20:52:25.3 |
HIP 38529 |
2.55 |
| 2026-08-02 12:00 |
07:53:38.41 |
+20:52:03.4 |
HIP 38529 |
3.80 |
| 2026-08-03 00:00 |
07:53:47.12 |
+20:51:41.5 |
HIP 38529 |
5.55 |
| 2026-08-03 12:00 |
07:53:55.81 |
+20:51:19.6 |
HIP 38529 |
7.47 |
| 2026-08-04 00:00 |
07:54:04.48 |
+20:50:57.7 |
HIP 38529 |
9.44 |
| 2026-08-04 12:00 |
07:54:13.14 |
+20:50:35.8 |
HIP 38529 |
11.44 |
| 2026-08-05 00:00 |
07:54:21.79 |
+20:50:13.9 |
HIP 38529 |
13.45 |
| 2026-08-05 12:00 |
07:54:30.42 |
+20:49:52.0 |
HIP 38529 |
15.48 |
| 2026-08-06 00:00 |
07:54:39.03 |
+20:49:30.2 |
HIP 38529 |
17.50 |
| 2026-08-06 12:00 |
07:54:47.63 |
+20:49:08.3 |
HIP 38601 |
18.96 |
| 2026-08-07 00:00 |
07:54:56.21 |
+20:48:46.5 |
HIP 38777 |
18.43 |
| 2026-08-07 12:00 |
07:55:04.78 |
+20:48:24.7 |
HIP 38777 |
16.44 |
| 2026-08-08 00:00 |
07:55:13.32 |
+20:48:02.9 |
HIP 38777 |
14.46 |
| 2026-08-08 12:00 |
07:55:21.85 |
+20:47:41.2 |
HIP 38777 |
12.51 |
| 2026-08-09 00:00 |
07:55:30.35 |
+20:47:19.4 |
HIP 38777 |
10.59 |
| 2026-08-09 12:00 |
07:55:38.84 |
+20:46:57.7 |
HIP 38777 |
8.72 |
| 2026-08-10 00:00 |
07:55:47.31 |
+20:46:36.1 |
HIP 38777 |
6.94 |
| 2026-08-10 12:00 |
07:55:55.76 |
+20:46:14.4 |
HIP 38777 |
5.32 |
| 2026-08-11 00:00 |
07:56:04.18 |
+20:45:52.8 |
HIP 38777 |
4.07 |
| 2026-08-11 12:00 |
07:56:12.59 |
+20:45:31.2 |
HIP 38777 |
3.58 |
| 2026-08-12 00:00 |
07:56:20.97 |
+20:45:09.6 |
HIP 38777 |
4.13 |
| 2026-08-12 12:00 |
07:56:29.34 |
+20:44:48.1 |
HIP 38777 |
5.40 |
| 2026-08-13 00:00 |
07:56:37.67 |
+20:44:26.6 |
HIP 38777 |
7.01 |
| 2026-08-13 12:00 |
07:56:45.99 |
+20:44:05.2 |
HIP 38777 |
8.77 |
| 2026-08-14 00:00 |
07:56:54.28 |
+20:43:43.8 |
HIP 38777 |
10.60 |
| 2026-08-14 12:00 |
07:57:02.55 |
+20:43:22.4 |
HIP 38777 |
12.47 |
| 2026-08-15 00:00 |
07:57:10.79 |
+20:43:01.1 |
HIP 38777 |
14.36 |
| 2026-08-15 12:00 |
07:57:19.01 |
+20:42:39.8 |
HIP 38856 |
15.66 |
| 2026-08-16 00:00 |
07:57:27.20 |
+20:42:18.6 |
HIP 38856 |
16.49 |
| 2026-08-16 12:00 |
07:57:35.37 |
+20:41:57.4 |
HIP 38856 |
17.49 |
| 2026-08-17 00:00 |
07:57:43.51 |
+20:41:36.3 |
HIP 38856 |
18.63 |
| 2026-08-17 12:00 |
07:57:51.62 |
+20:41:15.2 |
HIP 38856 |
19.89 |
| 2026-08-18 00:00 |
07:57:59.70 |
+20:40:54.2 |
HIP 38856 |
21.25 |
| 2026-08-18 12:00 |
07:58:07.76 |
+20:40:33.2 |
HIP 39064 |
22.54 |
| 2026-08-19 00:00 |
07:58:15.79 |
+20:40:12.3 |
HIP 39064 |
21.05 |