메타데이터
| 항목 |
값 |
| Designation |
C/2005 H1 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2004-10-28T12:40:07.613760Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:48Z |
| Obs used |
169 |
| NEO |
- |
| M1 |
12.900 |
| K1 |
4.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2005-05-28.0000000 |
| e |
0.89692366 |
| q (au) |
4.768597 |
| a (au) |
46.262766 |
| i (deg) |
81.512268 |
| Ω (om, deg) |
71.490714 |
| ω (w, deg) |
95.212944 |
| M (ma, deg) |
0.662384 |
밝기
산란 + 전체 선형
$$
M_a = (5.633 + 5.458\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
5.633 |
| n |
5.458 |
| gf |
0.982 |
| gb |
-1.000 |
| k |
1.000 |
| δ90 |
9.963 |
| 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 |
17:03:39.32 |
-84:53:55.9 |
HIP 82768 |
13.31 |
| 2026-06-01 12:00 |
17:03:01.82 |
-84:54:03.4 |
HIP 82768 |
12.53 |
| 2026-06-02 00:00 |
17:02:24.26 |
-84:54:10.3 |
HIP 82768 |
11.77 |
| 2026-06-02 12:00 |
17:01:46.63 |
-84:54:16.8 |
HIP 82768 |
11.02 |
| 2026-06-03 00:00 |
17:01:08.96 |
-84:54:22.7 |
HIP 82768 |
10.29 |
| 2026-06-03 12:00 |
17:00:31.23 |
-84:54:28.1 |
HIP 82768 |
9.59 |
| 2026-06-04 00:00 |
16:59:53.46 |
-84:54:33.0 |
HIP 82768 |
8.91 |
| 2026-06-04 12:00 |
16:59:15.66 |
-84:54:37.4 |
HIP 82768 |
8.26 |
| 2026-06-05 00:00 |
16:58:37.82 |
-84:54:41.2 |
HIP 82768 |
7.66 |
| 2026-06-05 12:00 |
16:57:59.96 |
-84:54:44.5 |
HIP 82768 |
7.12 |
| 2026-06-06 00:00 |
16:57:22.08 |
-84:54:47.3 |
HIP 82768 |
6.64 |
| 2026-06-06 12:00 |
16:56:44.19 |
-84:54:49.6 |
HIP 82768 |
6.24 |
| 2026-06-07 00:00 |
16:56:06.28 |
-84:54:51.4 |
HIP 82768 |
5.94 |
| 2026-06-07 12:00 |
16:55:28.38 |
-84:54:52.6 |
HIP 82768 |
5.76 |
| 2026-06-08 00:00 |
16:54:50.47 |
-84:54:53.3 |
HIP 82768 |
5.70 |
| 2026-06-08 12:00 |
16:54:12.58 |
-84:54:53.5 |
HIP 82768 |
5.78 |
| 2026-06-09 00:00 |
16:53:34.70 |
-84:54:53.2 |
HIP 82768 |
5.97 |
| 2026-06-09 12:00 |
16:52:56.84 |
-84:54:52.4 |
HIP 82768 |
6.28 |
| 2026-06-10 00:00 |
16:52:19.00 |
-84:54:51.0 |
HIP 82768 |
6.69 |
| 2026-06-10 12:00 |
16:51:41.20 |
-84:54:49.1 |
HIP 82768 |
7.18 |
| 2026-06-11 00:00 |
16:51:03.43 |
-84:54:46.7 |
HIP 82768 |
7.73 |
| 2026-06-11 12:00 |
16:50:25.71 |
-84:54:43.8 |
HIP 82768 |
8.33 |
| 2026-06-12 00:00 |
16:49:48.03 |
-84:54:40.4 |
HIP 82768 |
8.98 |
| 2026-06-12 12:00 |
16:49:10.41 |
-84:54:36.5 |
HIP 82768 |
9.65 |
| 2026-06-13 00:00 |
16:48:32.85 |
-84:54:32.0 |
HIP 82768 |
10.36 |
| 2026-06-13 12:00 |
16:47:55.36 |
-84:54:27.0 |
HIP 82768 |
11.08 |
| 2026-06-14 00:00 |
16:47:17.94 |
-84:54:21.5 |
HIP 82768 |
11.83 |
| 2026-06-14 12:00 |
16:46:40.60 |
-84:54:15.5 |
HIP 82768 |
12.58 |
| 2026-06-15 00:00 |
16:46:03.34 |
-84:54:09.0 |
HIP 81367 |
12.28 |
| 2026-06-15 12:00 |
16:45:26.17 |
-84:54:02.0 |
HIP 81367 |
11.51 |
| 2026-06-16 00:00 |
16:44:49.09 |
-84:53:54.5 |
HIP 81367 |
10.75 |
| 2026-06-16 12:00 |
16:44:12.12 |
-84:53:46.5 |
HIP 81367 |
10.01 |
| 2026-06-17 00:00 |
16:43:35.25 |
-84:53:38.0 |
HIP 81367 |
9.28 |
| 2026-06-17 12:00 |
16:42:58.50 |
-84:53:28.9 |
HIP 81367 |
8.58 |
| 2026-06-18 00:00 |
16:42:21.86 |
-84:53:19.4 |
HIP 81367 |
7.91 |
| 2026-06-18 12:00 |
16:41:45.34 |
-84:53:09.4 |
HIP 81367 |
7.28 |
| 2026-06-19 00:00 |
16:41:08.96 |
-84:52:58.9 |
HIP 81367 |
6.69 |
| 2026-06-19 12:00 |
16:40:32.70 |
-84:52:47.9 |
HIP 81367 |
6.17 |
| 2026-06-20 00:00 |
16:39:56.59 |
-84:52:36.4 |
HIP 81367 |
5.73 |
| 2026-06-20 12:00 |
16:39:20.61 |
-84:52:24.4 |
HIP 81367 |
5.38 |
| 2026-06-21 00:00 |
16:38:44.79 |
-84:52:12.0 |
HIP 81367 |
5.15 |
| 2026-06-21 12:00 |
16:38:09.12 |
-84:51:59.1 |
HIP 81367 |
5.06 |
| 2026-06-22 00:00 |
16:37:33.60 |
-84:51:45.7 |
HIP 81367 |
5.10 |