메타데이터
| 항목 |
값 |
| Designation |
429P/LINEAR-Hill |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2008-11-02T20:41:05.654400Z |
| Orbit solution date (soln_date, UTC) |
2024-03-04T23:13:07Z |
| Obs used |
587 |
| NEO |
- |
| M1 |
12.100 |
| K1 |
25.000 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2010-06-16.0000000 |
| e |
0.50669295 |
| q (au) |
1.722910 |
| a (au) |
3.492571 |
| i (deg) |
7.748307 |
| Ω (om, deg) |
325.147789 |
| ω (w, deg) |
72.067040 |
| M (ma, deg) |
89.112743 |
밝기
산란 + 전체 선형
$$
M_a = (14.213 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
14.213 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.500 |
| 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) |
| 2026-06-01 00:00 |
15:37:32.59 |
-28:58:43.2 |
HIP 76448 |
16.20 |
| 2026-06-01 12:00 |
15:37:11.47 |
-28:57:21.6 |
HIP 76448 |
15.16 |
| 2026-06-02 00:00 |
15:36:50.43 |
-28:55:59.5 |
HIP 76448 |
15.61 |
| 2026-06-02 12:00 |
15:36:29.48 |
-28:54:36.8 |
HIP 76318 |
17.25 |
| 2026-06-03 00:00 |
15:36:08.62 |
-28:53:13.5 |
HIP 76318 |
14.36 |
| 2026-06-03 12:00 |
15:35:47.85 |
-28:51:49.7 |
HIP 76318 |
12.68 |
| 2026-06-04 00:00 |
15:35:27.17 |
-28:50:25.4 |
HIP 76318 |
12.68 |
| 2026-06-04 12:00 |
15:35:06.59 |
-28:49:00.6 |
HIP 76318 |
14.35 |
| 2026-06-05 00:00 |
15:34:46.11 |
-28:47:35.3 |
HIP 76318 |
17.19 |
| 2026-06-05 12:00 |
15:34:25.73 |
-28:46:09.5 |
HIP 76304 |
20.59 |
| 2026-06-06 00:00 |
15:34:05.47 |
-28:44:43.2 |
HIP 76304 |
22.10 |
| 2026-06-06 12:00 |
15:33:45.31 |
-28:43:16.5 |
HIP 76304 |
24.41 |
| 2026-06-07 00:00 |
15:33:25.26 |
-28:41:49.4 |
HIP 76304 |
27.29 |
| 2026-06-07 12:00 |
15:33:05.33 |
-28:40:21.9 |
HIP 76034 |
23.94 |
| 2026-06-08 00:00 |
15:32:45.52 |
-28:38:54.0 |
HIP 76034 |
19.81 |
| 2026-06-08 12:00 |
15:32:25.83 |
-28:37:25.7 |
HIP 76034 |
15.93 |
| 2026-06-09 00:00 |
15:32:06.27 |
-28:35:57.1 |
HIP 76034 |
12.53 |
| 2026-06-09 12:00 |
15:31:46.84 |
-28:34:28.1 |
HIP 76034 |
10.07 |
| 2026-06-10 00:00 |
15:31:27.53 |
-28:32:58.8 |
HIP 76034 |
9.29 |
| 2026-06-10 12:00 |
15:31:08.36 |
-28:31:29.2 |
HIP 76034 |
10.55 |
| 2026-06-11 00:00 |
15:30:49.33 |
-28:29:59.3 |
HIP 76034 |
13.24 |
| 2026-06-11 12:00 |
15:30:30.44 |
-28:28:29.1 |
HIP 76034 |
16.67 |
| 2026-06-12 00:00 |
15:30:11.69 |
-28:26:58.7 |
HIP 76034 |
20.45 |
| 2026-06-12 12:00 |
15:29:53.09 |
-28:25:28.0 |
HIP 76034 |
24.41 |
| 2026-06-13 00:00 |
15:29:34.64 |
-28:23:57.1 |
HIP 75836 |
26.96 |
| 2026-06-13 12:00 |
15:29:16.34 |
-28:22:26.1 |
HIP 75836 |
28.52 |
| 2026-06-14 00:00 |
15:28:58.19 |
-28:20:54.8 |
HIP 75836 |
30.61 |
| 2026-06-14 12:00 |
15:28:40.20 |
-28:19:23.4 |
HIP 75640 |
31.08 |
| 2026-06-15 00:00 |
15:28:22.37 |
-28:17:51.8 |
HIP 75605 |
28.34 |
| 2026-06-15 12:00 |
15:28:04.71 |
-28:16:20.1 |
HIP 75605 |
24.52 |
| 2026-06-16 00:00 |
15:27:47.21 |
-28:14:48.3 |
HIP 75605 |
20.85 |
| 2026-06-16 12:00 |
15:27:29.87 |
-28:13:16.4 |
HIP 75605 |
17.42 |
| 2026-06-17 00:00 |
15:27:12.71 |
-28:11:44.5 |
HIP 75605 |
14.37 |
| 2026-06-17 12:00 |
15:26:55.72 |
-28:10:12.4 |
HIP 75605 |
11.96 |
| 2026-06-18 00:00 |
15:26:38.91 |
-28:08:40.4 |
HIP 75605 |
10.59 |
| 2026-06-18 12:00 |
15:26:22.27 |
-28:07:08.3 |
HIP 75605 |
10.63 |
| 2026-06-19 00:00 |
15:26:05.82 |
-28:05:36.3 |
HIP 75605 |
12.03 |
| 2026-06-19 12:00 |
15:25:49.54 |
-28:04:04.2 |
HIP 75605 |
14.37 |
| 2026-06-20 00:00 |
15:25:33.45 |
-28:02:32.2 |
HIP 75605 |
17.25 |
| 2026-06-20 12:00 |
15:25:17.55 |
-28:01:00.2 |
HIP 75605 |
20.42 |
| 2026-06-21 00:00 |
15:25:01.83 |
-27:59:28.3 |
HIP 75343 |
17.36 |
| 2026-06-21 12:00 |
15:24:46.31 |
-27:57:56.5 |
HIP 75343 |
13.80 |
| 2026-06-22 00:00 |
15:24:30.97 |
-27:56:24.8 |
HIP 75343 |
10.41 |