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
$$
M_a = (15.743 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
15.743 |
| n |
2.000 |
| gf |
0.944 |
| gb |
-0.911 |
| k |
0.800 |
| δ90 |
9.909 |
| 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) |
| 2026-05-12 00:00 |
17:59:30.22 |
-18:57:01.3 |
HIP 88167 |
21.20 |
| 2026-05-12 12:00 |
17:59:27.48 |
-18:57:03.4 |
HIP 88167 |
21.57 |
| 2026-05-13 00:00 |
17:59:24.73 |
-18:57:05.6 |
HIP 88167 |
21.96 |
| 2026-05-13 12:00 |
17:59:21.95 |
-18:57:07.8 |
HIP 88167 |
22.36 |
| 2026-05-14 00:00 |
17:59:19.16 |
-18:57:10.0 |
HIP 88167 |
22.77 |
| 2026-05-14 12:00 |
17:59:16.35 |
-18:57:12.2 |
HIP 88167 |
23.20 |
| 2026-05-15 00:00 |
17:59:13.52 |
-18:57:14.4 |
HIP 88167 |
23.65 |
| 2026-05-15 12:00 |
17:59:10.68 |
-18:57:16.7 |
HIP 88167 |
24.10 |
| 2026-05-16 00:00 |
17:59:07.82 |
-18:57:19.0 |
HIP 88167 |
24.57 |
| 2026-05-16 12:00 |
17:59:04.94 |
-18:57:21.3 |
HIP 88167 |
25.06 |
| 2026-05-17 00:00 |
17:59:02.04 |
-18:57:23.7 |
HIP 88167 |
25.55 |
| 2026-05-17 12:00 |
17:58:59.13 |
-18:57:26.0 |
HIP 88167 |
26.06 |
| 2026-05-18 00:00 |
17:58:56.19 |
-18:57:28.4 |
HIP 87881 |
25.94 |
| 2026-05-18 12:00 |
17:58:53.25 |
-18:57:30.8 |
HIP 87881 |
25.25 |
| 2026-05-19 00:00 |
17:58:50.28 |
-18:57:33.3 |
HIP 87881 |
24.55 |
| 2026-05-19 12:00 |
17:58:47.31 |
-18:57:35.7 |
HIP 87881 |
23.84 |
| 2026-05-20 00:00 |
17:58:44.31 |
-18:57:38.2 |
HIP 87881 |
23.14 |
| 2026-05-20 12:00 |
17:58:41.30 |
-18:57:40.7 |
HIP 87881 |
22.43 |
| 2026-05-21 00:00 |
17:58:38.28 |
-18:57:43.3 |
HIP 87881 |
21.72 |
| 2026-05-21 12:00 |
17:58:35.24 |
-18:57:45.8 |
HIP 87881 |
21.00 |
| 2026-05-22 00:00 |
17:58:32.18 |
-18:57:48.4 |
HIP 87881 |
20.28 |
| 2026-05-22 12:00 |
17:58:29.11 |
-18:57:51.0 |
HIP 87881 |
19.56 |
| 2026-05-23 00:00 |
17:58:26.03 |
-18:57:53.7 |
HIP 87881 |
18.83 |
| 2026-05-23 12:00 |
17:58:22.93 |
-18:57:56.3 |
HIP 87881 |
18.10 |
| 2026-05-24 00:00 |
17:58:19.82 |
-18:57:59.0 |
HIP 87881 |
17.37 |
| 2026-05-24 12:00 |
17:58:16.70 |
-18:58:01.7 |
HIP 87881 |
16.63 |
| 2026-05-25 00:00 |
17:58:13.56 |
-18:58:04.5 |
HIP 87881 |
15.90 |
| 2026-05-25 12:00 |
17:58:10.41 |
-18:58:07.2 |
HIP 87881 |
15.16 |
| 2026-05-26 00:00 |
17:58:07.25 |
-18:58:10.0 |
HIP 87881 |
14.41 |
| 2026-05-26 12:00 |
17:58:04.07 |
-18:58:12.8 |
HIP 87881 |
13.67 |
| 2026-05-27 00:00 |
17:58:00.88 |
-18:58:15.6 |
HIP 87881 |
12.92 |
| 2026-05-27 12:00 |
17:57:57.68 |
-18:58:18.5 |
HIP 87881 |
12.18 |
| 2026-05-28 00:00 |
17:57:54.47 |
-18:58:21.4 |
HIP 87881 |
11.43 |
| 2026-05-28 12:00 |
17:57:51.25 |
-18:58:24.3 |
HIP 87881 |
10.68 |
| 2026-05-29 00:00 |
17:57:48.01 |
-18:58:27.3 |
HIP 87881 |
9.92 |
| 2026-05-29 12:00 |
17:57:44.77 |
-18:58:30.2 |
HIP 87881 |
9.17 |
| 2026-05-30 00:00 |
17:57:41.51 |
-18:58:33.2 |
HIP 87881 |
8.42 |
| 2026-05-30 12:00 |
17:57:38.24 |
-18:58:36.2 |
HIP 87881 |
7.67 |
| 2026-05-31 00:00 |
17:57:34.97 |
-18:58:39.3 |
HIP 87881 |
6.92 |
| 2026-05-31 12:00 |
17:57:31.68 |
-18:58:42.3 |
HIP 87881 |
6.18 |
| 2026-06-01 00:00 |
17:57:28.38 |
-18:58:45.4 |
HIP 87881 |
5.45 |
| 2026-06-01 12:00 |
17:57:25.07 |
-18:58:48.5 |
HIP 87881 |
4.72 |
| 2026-06-02 00:00 |
17:57:21.76 |
-18:58:51.7 |
HIP 87881 |
4.02 |