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) |
| 2026-06-01 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 |
| 2026-06-02 12:00 |
17:57:18.43 |
-18:58:54.8 |
HIP 87881 |
3.36 |
| 2026-06-03 00:00 |
17:57:15.09 |
-18:58:58.0 |
HIP 87881 |
2.76 |
| 2026-06-03 12:00 |
17:57:11.75 |
-18:59:01.3 |
HIP 87881 |
2.28 |
| 2026-06-04 00:00 |
17:57:08.40 |
-18:59:04.5 |
HIP 87881 |
2.00 |
| 2026-06-04 12:00 |
17:57:05.04 |
-18:59:07.8 |
HIP 87881 |
2.02 |
| 2026-06-05 00:00 |
17:57:01.67 |
-18:59:11.1 |
HIP 87873 |
2.22 |
| 2026-06-05 12:00 |
17:56:58.29 |
-18:59:14.4 |
HIP 87873 |
2.39 |
| 2026-06-06 00:00 |
17:56:54.91 |
-18:59:17.8 |
HIP 87873 |
2.80 |
| 2026-06-06 12:00 |
17:56:51.51 |
-18:59:21.1 |
HIP 87873 |
3.35 |
| 2026-06-07 00:00 |
17:56:48.12 |
-18:59:24.5 |
HIP 87832 |
3.55 |
| 2026-06-07 12:00 |
17:56:44.71 |
-18:59:28.0 |
HIP 87832 |
2.83 |
| 2026-06-08 00:00 |
17:56:41.30 |
-18:59:31.4 |
HIP 87832 |
2.18 |
| 2026-06-08 12:00 |
17:56:37.88 |
-18:59:34.9 |
HIP 87832 |
1.67 |
| 2026-06-09 00:00 |
17:56:34.45 |
-18:59:38.4 |
HIP 87832 |
1.46 |
| 2026-06-09 12:00 |
17:56:31.02 |
-18:59:42.0 |
HIP 87832 |
1.67 |
| 2026-06-10 00:00 |
17:56:27.59 |
-18:59:45.5 |
HIP 87832 |
2.19 |
| 2026-06-10 12:00 |
17:56:24.14 |
-18:59:49.1 |
HIP 87832 |
2.85 |
| 2026-06-11 00:00 |
17:56:20.70 |
-18:59:52.7 |
HIP 87832 |
3.58 |
| 2026-06-11 12:00 |
17:56:17.24 |
-18:59:56.4 |
HIP 87832 |
4.34 |
| 2026-06-12 00:00 |
17:56:13.79 |
-19:00:00.0 |
HIP 87832 |
5.11 |
| 2026-06-12 12:00 |
17:56:10.33 |
-19:00:03.7 |
HIP 87832 |
5.90 |
| 2026-06-13 00:00 |
17:56:06.86 |
-19:00:07.5 |
HIP 87832 |
6.70 |
| 2026-06-13 12:00 |
17:56:03.39 |
-19:00:11.2 |
HIP 87832 |
7.51 |
| 2026-06-14 00:00 |
17:55:59.92 |
-19:00:15.0 |
HIP 87832 |
8.32 |
| 2026-06-14 12:00 |
17:55:56.45 |
-19:00:18.8 |
HIP 87832 |
9.13 |
| 2026-06-15 00:00 |
17:55:52.97 |
-19:00:22.6 |
HIP 87832 |
9.94 |
| 2026-06-15 12:00 |
17:55:49.49 |
-19:00:26.5 |
HIP 87832 |
10.76 |
| 2026-06-16 00:00 |
17:55:46.00 |
-19:00:30.4 |
HIP 87832 |
11.58 |
| 2026-06-16 12:00 |
17:55:42.52 |
-19:00:34.3 |
HIP 87832 |
12.40 |
| 2026-06-17 00:00 |
17:55:39.03 |
-19:00:38.2 |
HIP 87782 |
13.07 |
| 2026-06-17 12:00 |
17:55:35.54 |
-19:00:42.2 |
HIP 87782 |
13.39 |
| 2026-06-18 00:00 |
17:55:32.05 |
-19:00:46.2 |
HIP 87782 |
13.76 |
| 2026-06-18 12:00 |
17:55:28.56 |
-19:00:50.2 |
HIP 87782 |
14.16 |
| 2026-06-19 00:00 |
17:55:25.07 |
-19:00:54.3 |
HIP 87782 |
14.60 |
| 2026-06-19 12:00 |
17:55:21.58 |
-19:00:58.4 |
HIP 87782 |
15.08 |
| 2026-06-20 00:00 |
17:55:18.09 |
-19:01:02.5 |
HIP 87782 |
15.58 |
| 2026-06-20 12:00 |
17:55:14.60 |
-19:01:06.6 |
HIP 87782 |
16.12 |
| 2026-06-21 00:00 |
17:55:11.10 |
-19:01:10.7 |
HIP 87782 |
16.67 |
| 2026-06-21 12:00 |
17:55:07.61 |
-19:01:14.9 |
HIP 87782 |
17.25 |
| 2026-06-22 00:00 |
17:55:04.12 |
-19:01:19.1 |
HIP 87782 |
17.85 |