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) |
| 2026-09-20 00:00 |
08:05:32.59 |
+20:20:55.4 |
HIP 39548 |
11.66 |
| 2026-09-20 12:00 |
08:05:37.91 |
+20:20:41.3 |
HIP 39548 |
12.55 |
| 2026-09-21 00:00 |
08:05:43.19 |
+20:20:27.3 |
HIP 39548 |
13.50 |
| 2026-09-21 12:00 |
08:05:48.40 |
+20:20:13.5 |
HIP 39548 |
14.49 |
| 2026-09-22 00:00 |
08:05:53.57 |
+20:19:59.8 |
HIP 39548 |
15.50 |
| 2026-09-22 12:00 |
08:05:58.67 |
+20:19:46.3 |
HIP 39548 |
16.53 |
| 2026-09-23 00:00 |
08:06:03.72 |
+20:19:33.0 |
HIP 39548 |
17.57 |
| 2026-09-23 12:00 |
08:06:08.72 |
+20:19:19.8 |
HIP 39548 |
18.62 |
| 2026-09-24 00:00 |
08:06:13.66 |
+20:19:06.8 |
HIP 39548 |
19.68 |
| 2026-09-24 12:00 |
08:06:18.54 |
+20:18:53.9 |
HIP 39548 |
20.73 |
| 2026-09-25 00:00 |
08:06:23.36 |
+20:18:41.2 |
HIP 39548 |
21.79 |
| 2026-09-25 12:00 |
08:06:28.13 |
+20:18:28.7 |
HIP 39548 |
22.84 |
| 2026-09-26 00:00 |
08:06:32.84 |
+20:18:16.3 |
HIP 39548 |
23.88 |
| 2026-09-26 12:00 |
08:06:37.49 |
+20:18:04.1 |
HIP 39548 |
24.92 |
| 2026-09-27 00:00 |
08:06:42.08 |
+20:17:52.1 |
HIP 39548 |
25.96 |
| 2026-09-27 12:00 |
08:06:46.61 |
+20:17:40.2 |
HIP 39548 |
26.98 |
| 2026-09-28 00:00 |
08:06:51.08 |
+20:17:28.5 |
HIP 39548 |
28.00 |
| 2026-09-28 12:00 |
08:06:55.50 |
+20:17:17.0 |
HIP 39548 |
29.00 |
| 2026-09-29 00:00 |
08:06:59.85 |
+20:17:05.7 |
HIP 39749 |
28.70 |
| 2026-09-29 12:00 |
08:07:04.15 |
+20:16:54.5 |
HIP 39749 |
28.32 |
| 2026-09-30 00:00 |
08:07:08.38 |
+20:16:43.5 |
HIP 39749 |
27.97 |
| 2026-09-30 12:00 |
08:07:12.56 |
+20:16:32.7 |
HIP 39749 |
27.66 |
| 2026-10-01 00:00 |
08:07:16.67 |
+20:16:22.1 |
HIP 39749 |
27.39 |
| 2026-10-01 12:00 |
08:07:20.72 |
+20:16:11.6 |
HIP 39749 |
27.16 |
| 2026-10-02 00:00 |
08:07:24.71 |
+20:16:01.4 |
HIP 39749 |
26.96 |
| 2026-10-02 12:00 |
08:07:28.64 |
+20:15:51.3 |
HIP 39749 |
26.80 |
| 2026-10-03 00:00 |
08:07:32.50 |
+20:15:41.4 |
HIP 39934 |
26.45 |
| 2026-10-03 12:00 |
08:07:36.30 |
+20:15:31.7 |
HIP 39934 |
25.55 |
| 2026-10-04 00:00 |
08:07:40.04 |
+20:15:22.2 |
HIP 39934 |
24.67 |
| 2026-10-04 12:00 |
08:07:43.72 |
+20:15:12.8 |
HIP 39934 |
23.81 |
| 2026-10-05 00:00 |
08:07:47.33 |
+20:15:03.7 |
HIP 39934 |
22.96 |
| 2026-10-05 12:00 |
08:07:50.87 |
+20:14:54.7 |
HIP 39934 |
22.13 |
| 2026-10-06 00:00 |
08:07:54.36 |
+20:14:46.0 |
HIP 39934 |
21.31 |
| 2026-10-06 12:00 |
08:07:57.77 |
+20:14:37.4 |
HIP 39934 |
20.52 |
| 2026-10-07 00:00 |
08:08:01.13 |
+20:14:29.0 |
HIP 39934 |
19.73 |
| 2026-10-07 12:00 |
08:08:04.41 |
+20:14:20.8 |
HIP 39934 |
18.97 |
| 2026-10-08 00:00 |
08:08:07.63 |
+20:14:12.9 |
HIP 39934 |
18.22 |
| 2026-10-08 12:00 |
08:08:10.79 |
+20:14:05.1 |
HIP 39934 |
17.49 |
| 2026-10-09 00:00 |
08:08:13.87 |
+20:13:57.5 |
HIP 39934 |
16.77 |
| 2026-10-09 12:00 |
08:08:16.89 |
+20:13:50.2 |
HIP 39934 |
16.08 |
| 2026-10-10 00:00 |
08:08:19.85 |
+20:13:43.0 |
HIP 39934 |
15.40 |
| 2026-10-10 12:00 |
08:08:22.73 |
+20:13:36.0 |
HIP 39934 |
14.74 |
| 2026-10-11 00:00 |
08:08:25.55 |
+20:13:29.3 |
HIP 39934 |
14.10 |