메타데이터
| 항목 |
값 |
| Designation |
C/2005 G1 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2006-02-27T06:21:42.981120Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:48Z |
| Obs used |
287 |
| NEO |
- |
| M1 |
7.500 |
| K1 |
10.250 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2005-08-17.0000000 |
| e |
0.99973621 |
| q (au) |
4.960798 |
| a (au) |
18805.663709 |
| i (deg) |
108.413949 |
| Ω (om, deg) |
299.589019 |
| ω (w, deg) |
113.810280 |
| M (ma, deg) |
359.999926 |
밝기
산란 + 전체 선형
$$
M_a = (4.167 + 5.406\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
4.167 |
| n |
5.406 |
| gf |
0.997 |
| 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 |
05:28:03.46 |
-39:25:29.5 |
HIP 25627 |
5.74 |
| 2026-06-01 12:00 |
05:28:07.13 |
-39:25:22.5 |
HIP 25627 |
5.10 |
| 2026-06-02 00:00 |
05:28:10.80 |
-39:25:16.0 |
HIP 25627 |
4.48 |
| 2026-06-02 12:00 |
05:28:14.48 |
-39:25:09.7 |
HIP 25627 |
3.90 |
| 2026-06-03 00:00 |
05:28:18.17 |
-39:25:03.8 |
HIP 25627 |
3.39 |
| 2026-06-03 12:00 |
05:28:21.86 |
-39:24:58.2 |
HIP 25627 |
2.96 |
| 2026-06-04 00:00 |
05:28:25.56 |
-39:24:52.9 |
HIP 25627 |
2.66 |
| 2026-06-04 12:00 |
05:28:29.26 |
-39:24:48.0 |
HIP 25627 |
2.55 |
| 2026-06-05 00:00 |
05:28:32.97 |
-39:24:43.4 |
HIP 25627 |
2.64 |
| 2026-06-05 12:00 |
05:28:36.68 |
-39:24:39.1 |
HIP 25627 |
2.92 |
| 2026-06-06 00:00 |
05:28:40.40 |
-39:24:35.2 |
HIP 25627 |
3.34 |
| 2026-06-06 12:00 |
05:28:44.12 |
-39:24:31.6 |
HIP 25627 |
3.85 |
| 2026-06-07 00:00 |
05:28:47.84 |
-39:24:28.4 |
HIP 25627 |
4.42 |
| 2026-06-07 12:00 |
05:28:51.57 |
-39:24:25.4 |
HIP 25627 |
5.04 |
| 2026-06-08 00:00 |
05:28:55.30 |
-39:24:22.9 |
HIP 25627 |
5.68 |
| 2026-06-08 12:00 |
05:28:59.04 |
-39:24:20.6 |
HIP 25627 |
6.35 |
| 2026-06-09 00:00 |
05:29:02.78 |
-39:24:18.7 |
HIP 25627 |
7.02 |
| 2026-06-09 12:00 |
05:29:06.52 |
-39:24:17.1 |
HIP 25627 |
7.71 |
| 2026-06-10 00:00 |
05:29:10.26 |
-39:24:15.9 |
HIP 25627 |
8.41 |
| 2026-06-10 12:00 |
05:29:14.01 |
-39:24:15.0 |
HIP 25627 |
9.11 |
| 2026-06-11 00:00 |
05:29:17.76 |
-39:24:14.4 |
HIP 25627 |
9.81 |
| 2026-06-11 12:00 |
05:29:21.51 |
-39:24:14.2 |
HIP 25627 |
10.52 |
| 2026-06-12 00:00 |
05:29:25.26 |
-39:24:14.3 |
HIP 25627 |
11.24 |
| 2026-06-12 12:00 |
05:29:29.01 |
-39:24:14.7 |
HIP 25627 |
11.95 |
| 2026-06-13 00:00 |
05:29:32.76 |
-39:24:15.5 |
HIP 25627 |
12.67 |
| 2026-06-13 12:00 |
05:29:36.52 |
-39:24:16.7 |
HIP 25627 |
13.39 |
| 2026-06-14 00:00 |
05:29:40.27 |
-39:24:18.1 |
HIP 25627 |
14.11 |
| 2026-06-14 12:00 |
05:29:44.03 |
-39:24:20.0 |
HIP 25627 |
14.83 |
| 2026-06-15 00:00 |
05:29:47.78 |
-39:24:22.1 |
HIP 25627 |
15.56 |
| 2026-06-15 12:00 |
05:29:51.53 |
-39:24:24.6 |
HIP 25627 |
16.28 |
| 2026-06-16 00:00 |
05:29:55.29 |
-39:24:27.5 |
HIP 25627 |
17.01 |
| 2026-06-16 12:00 |
05:29:59.04 |
-39:24:30.6 |
HIP 25627 |
17.73 |
| 2026-06-17 00:00 |
05:30:02.79 |
-39:24:34.2 |
HIP 25627 |
18.46 |
| 2026-06-17 12:00 |
05:30:06.54 |
-39:24:38.0 |
HIP 25627 |
19.18 |
| 2026-06-18 00:00 |
05:30:10.28 |
-39:24:42.2 |
HIP 25627 |
19.91 |
| 2026-06-18 12:00 |
05:30:14.03 |
-39:24:46.7 |
HIP 25627 |
20.64 |
| 2026-06-19 00:00 |
05:30:17.77 |
-39:24:51.6 |
HIP 25757 |
21.31 |
| 2026-06-19 12:00 |
05:30:21.51 |
-39:24:56.8 |
HIP 25757 |
21.33 |
| 2026-06-20 00:00 |
05:30:25.25 |
-39:25:02.4 |
HIP 25757 |
21.38 |
| 2026-06-20 12:00 |
05:30:28.98 |
-39:25:08.3 |
HIP 25757 |
21.44 |
| 2026-06-21 00:00 |
05:30:32.71 |
-39:25:14.5 |
HIP 25757 |
21.52 |
| 2026-06-21 12:00 |
05:30:36.44 |
-39:25:21.1 |
HIP 25757 |
21.62 |
| 2026-06-22 00:00 |
05:30:40.16 |
-39:25:28.0 |
HIP 25757 |
21.74 |