C/2005 YW (LINEAR)
메타데이터
| 항목 |
값 |
| Designation |
C/2005 YW (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2006-12-07T20:22:51.346560Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:56Z |
| Obs used |
226 |
| NEO |
- |
| M1 |
8.600 |
| K1 |
11.500 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2006-11-26.0000000 |
| e |
0.98953342 |
| q (au) |
1.993011 |
| a (au) |
190.416587 |
| i (deg) |
40.543605 |
| Ω (om, deg) |
302.214425 |
| ω (w, deg) |
234.634030 |
| M (ma, deg) |
359.995555 |
밝기
산란 + 전체 선형
$$
M_a = (11.687 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
11.687 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-1.000 |
| k |
0.800 |
| 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) |
| 2026-02-03 00:00 |
21:24:50.93 |
+04:12:16.1 |
HIP 105634 |
19.36 |
| 2026-02-03 12:00 |
21:24:54.00 |
+04:12:30.5 |
HIP 105634 |
19.91 |
| 2026-02-04 00:00 |
21:24:57.08 |
+04:12:45.1 |
HIP 105634 |
20.48 |
| 2026-02-04 12:00 |
21:25:00.16 |
+04:12:59.9 |
HIP 105634 |
21.07 |
| 2026-02-05 00:00 |
21:25:03.24 |
+04:13:14.7 |
HIP 105634 |
21.67 |
| 2026-02-05 12:00 |
21:25:06.32 |
+04:13:29.7 |
HIP 105634 |
22.28 |
| 2026-02-06 00:00 |
21:25:09.41 |
+04:13:44.9 |
HIP 105634 |
22.90 |
| 2026-02-06 12:00 |
21:25:12.49 |
+04:14:00.2 |
HIP 105634 |
23.53 |
| 2026-02-07 00:00 |
21:25:15.57 |
+04:14:15.6 |
HIP 105634 |
24.17 |
| 2026-02-07 12:00 |
21:25:18.66 |
+04:14:31.2 |
HIP 105634 |
24.83 |
| 2026-02-08 00:00 |
21:25:21.74 |
+04:14:46.9 |
HIP 105634 |
25.49 |
| 2026-02-08 12:00 |
21:25:24.83 |
+04:15:02.7 |
HIP 105634 |
26.16 |
| 2026-02-09 00:00 |
21:25:27.91 |
+04:15:18.7 |
HIP 105634 |
26.83 |
| 2026-02-09 12:00 |
21:25:30.99 |
+04:15:34.8 |
HIP 105634 |
27.51 |
| 2026-02-10 00:00 |
21:25:34.07 |
+04:15:51.0 |
HIP 105634 |
28.20 |
| 2026-02-10 12:00 |
21:25:37.15 |
+04:16:07.4 |
HIP 105634 |
28.90 |
| 2026-02-11 00:00 |
21:25:40.23 |
+04:16:23.9 |
HIP 105634 |
29.60 |
| 2026-02-11 12:00 |
21:25:43.31 |
+04:16:40.5 |
HIP 105634 |
30.30 |
| 2026-02-12 00:00 |
21:25:46.38 |
+04:16:57.2 |
HIP 105634 |
31.01 |
| 2026-02-12 12:00 |
21:25:49.46 |
+04:17:14.1 |
HIP 105634 |
31.73 |
| 2026-02-13 00:00 |
21:25:52.53 |
+04:17:31.1 |
HIP 105634 |
32.44 |
| 2026-02-13 12:00 |
21:25:55.60 |
+04:17:48.2 |
HIP 105634 |
33.17 |
| 2026-02-14 00:00 |
21:25:58.66 |
+04:18:05.5 |
HIP 105634 |
33.89 |
| 2026-02-14 12:00 |
21:26:01.73 |
+04:18:22.8 |
HIP 105634 |
34.62 |
| 2026-02-15 00:00 |
21:26:04.79 |
+04:18:40.3 |
HIP 105634 |
35.35 |
| 2026-02-15 12:00 |
21:26:07.85 |
+04:18:57.9 |
HIP 105996 |
35.70 |
| 2026-02-16 00:00 |
21:26:10.90 |
+04:19:15.6 |
HIP 105996 |
34.92 |
| 2026-02-16 12:00 |
21:26:13.95 |
+04:19:33.5 |
HIP 105996 |
34.13 |
| 2026-02-17 00:00 |
21:26:16.99 |
+04:19:51.4 |
HIP 105996 |
33.34 |
| 2026-02-17 12:00 |
21:26:20.04 |
+04:20:09.5 |
HIP 105996 |
32.56 |
| 2026-02-18 00:00 |
21:26:23.07 |
+04:20:27.7 |
HIP 105996 |
31.77 |
| 2026-02-18 12:00 |
21:26:26.11 |
+04:20:46.0 |
HIP 105996 |
30.99 |
| 2026-02-19 00:00 |
21:26:29.13 |
+04:21:04.4 |
HIP 105996 |
30.21 |
| 2026-02-19 12:00 |
21:26:32.16 |
+04:21:22.9 |
HIP 105996 |
29.43 |
| 2026-02-20 00:00 |
21:26:35.17 |
+04:21:41.5 |
HIP 105996 |
28.65 |
| 2026-02-20 12:00 |
21:26:38.19 |
+04:22:00.2 |
HIP 105996 |
27.88 |
| 2026-02-21 00:00 |
21:26:41.19 |
+04:22:19.1 |
HIP 105996 |
27.11 |
| 2026-02-21 12:00 |
21:26:44.19 |
+04:22:38.0 |
HIP 105996 |
26.33 |
| 2026-02-22 00:00 |
21:26:47.19 |
+04:22:57.0 |
HIP 105996 |
25.57 |
| 2026-02-22 12:00 |
21:26:50.17 |
+04:23:16.2 |
HIP 105996 |
24.80 |
| 2026-02-23 00:00 |
21:26:53.15 |
+04:23:35.4 |
HIP 105996 |
24.04 |
| 2026-02-23 12:00 |
21:26:56.13 |
+04:23:54.8 |
HIP 105996 |
23.28 |
| 2026-02-24 00:00 |
21:26:59.10 |
+04:24:14.2 |
HIP 105996 |
22.52 |