메타데이터
| 항목 |
값 |
| Designation |
C/2005 Q1 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2005-08-25T12:09:34.352640Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:52Z |
| Obs used |
156 |
| NEO |
- |
| M1 |
11.300 |
| K1 |
4.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2006-01-21.0000000 |
| e |
1.00432420 |
| q (au) |
6.408393 |
| a (au) |
-1481.983927 |
| i (deg) |
105.191606 |
| Ω (om, deg) |
87.731669 |
| ω (w, deg) |
44.690926 |
| M (ma, deg) |
0.002565 |
밝기
산란 + 전체 선형
$$
M_a = (15.726 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
15.726 |
| n |
2.000 |
| gf |
0.893 |
| gb |
-0.911 |
| k |
0.802 |
| δ90 |
9.226 |
| 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 |
17:48:28.05 |
-19:20:11.8 |
HIP 87096 |
26.43 |
| 2026-09-20 12:00 |
17:48:28.01 |
-19:20:19.5 |
HIP 87096 |
26.55 |
| 2026-09-21 00:00 |
17:48:27.99 |
-19:20:27.2 |
HIP 87096 |
26.66 |
| 2026-09-21 12:00 |
17:48:28.01 |
-19:20:34.9 |
HIP 87096 |
26.78 |
| 2026-09-22 00:00 |
17:48:28.05 |
-19:20:42.6 |
HIP 87096 |
26.90 |
| 2026-09-22 12:00 |
17:48:28.13 |
-19:20:50.3 |
HIP 87096 |
27.03 |
| 2026-09-23 00:00 |
17:48:28.23 |
-19:20:57.9 |
HIP 87096 |
27.16 |
| 2026-09-23 12:00 |
17:48:28.36 |
-19:21:05.6 |
HIP 87096 |
27.29 |
| 2026-09-24 00:00 |
17:48:28.51 |
-19:21:13.3 |
HIP 87096 |
27.42 |
| 2026-09-24 12:00 |
17:48:28.70 |
-19:21:21.1 |
HIP 87096 |
27.56 |
| 2026-09-25 00:00 |
17:48:28.91 |
-19:21:28.8 |
HIP 87096 |
27.69 |
| 2026-09-25 12:00 |
17:48:29.15 |
-19:21:36.5 |
HIP 87096 |
27.83 |
| 2026-09-26 00:00 |
17:48:29.42 |
-19:21:44.2 |
HIP 87096 |
27.98 |
| 2026-09-26 12:00 |
17:48:29.72 |
-19:21:51.9 |
HIP 87096 |
28.12 |
| 2026-09-27 00:00 |
17:48:30.05 |
-19:21:59.6 |
HIP 87096 |
28.27 |
| 2026-09-27 12:00 |
17:48:30.40 |
-19:22:07.3 |
HIP 87176 |
28.42 |
| 2026-09-28 00:00 |
17:48:30.78 |
-19:22:15.0 |
HIP 87176 |
28.54 |
| 2026-09-28 12:00 |
17:48:31.19 |
-19:22:22.7 |
HIP 87176 |
28.66 |
| 2026-09-29 00:00 |
17:48:31.63 |
-19:22:30.4 |
HIP 87176 |
28.78 |
| 2026-09-29 12:00 |
17:48:32.09 |
-19:22:38.1 |
HIP 87176 |
28.91 |
| 2026-09-30 00:00 |
17:48:32.59 |
-19:22:45.9 |
HIP 87176 |
29.03 |
| 2026-09-30 12:00 |
17:48:33.11 |
-19:22:53.6 |
HIP 87176 |
29.15 |
| 2026-10-01 00:00 |
17:48:33.66 |
-19:23:01.3 |
HIP 87176 |
29.27 |
| 2026-10-01 12:00 |
17:48:34.23 |
-19:23:09.0 |
HIP 87176 |
29.40 |
| 2026-10-02 00:00 |
17:48:34.84 |
-19:23:16.7 |
HIP 87176 |
29.52 |
| 2026-10-02 12:00 |
17:48:35.47 |
-19:23:24.4 |
HIP 87176 |
29.64 |
| 2026-10-03 00:00 |
17:48:36.13 |
-19:23:32.1 |
HIP 87176 |
29.77 |
| 2026-10-03 12:00 |
17:48:36.81 |
-19:23:39.8 |
HIP 87176 |
29.89 |
| 2026-10-04 00:00 |
17:48:37.53 |
-19:23:47.5 |
HIP 87176 |
30.02 |
| 2026-10-04 12:00 |
17:48:38.27 |
-19:23:55.2 |
HIP 87176 |
30.15 |
| 2026-10-05 00:00 |
17:48:39.04 |
-19:24:02.9 |
HIP 87176 |
30.28 |
| 2026-10-05 12:00 |
17:48:39.83 |
-19:24:10.6 |
HIP 87176 |
30.41 |
| 2026-10-06 00:00 |
17:48:40.66 |
-19:24:18.3 |
HIP 87176 |
30.54 |
| 2026-10-06 12:00 |
17:48:41.51 |
-19:24:26.0 |
HIP 87176 |
30.67 |
| 2026-10-07 00:00 |
17:48:42.39 |
-19:24:33.7 |
HIP 87176 |
30.80 |
| 2026-10-07 12:00 |
17:48:43.29 |
-19:24:41.3 |
HIP 87176 |
30.94 |
| 2026-10-08 00:00 |
17:48:44.22 |
-19:24:49.0 |
HIP 87176 |
31.07 |
| 2026-10-08 12:00 |
17:48:45.18 |
-19:24:56.7 |
HIP 87176 |
31.21 |
| 2026-10-09 00:00 |
17:48:46.17 |
-19:25:04.3 |
HIP 87176 |
31.35 |
| 2026-10-09 12:00 |
17:48:47.18 |
-19:25:12.0 |
HIP 87176 |
31.49 |
| 2026-10-10 00:00 |
17:48:48.22 |
-19:25:19.6 |
HIP 87176 |
31.64 |
| 2026-10-10 12:00 |
17:48:49.28 |
-19:25:27.3 |
HIP 87176 |
31.78 |
| 2026-10-11 00:00 |
17:48:50.38 |
-19:25:34.9 |
HIP 87176 |
31.93 |