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) |
| 2026-05-12 00:00 |
21:31:31.07 |
+05:19:24.2 |
HIP 106312 |
6.23 |
| 2026-05-12 12:00 |
21:31:31.15 |
+05:19:42.1 |
HIP 106312 |
6.30 |
| 2026-05-13 00:00 |
21:31:31.21 |
+05:20:00.0 |
HIP 106312 |
6.40 |
| 2026-05-13 12:00 |
21:31:31.24 |
+05:20:17.7 |
HIP 106312 |
6.51 |
| 2026-05-14 00:00 |
21:31:31.24 |
+05:20:35.3 |
HIP 106312 |
6.63 |
| 2026-05-14 12:00 |
21:31:31.22 |
+05:20:52.8 |
HIP 106312 |
6.77 |
| 2026-05-15 00:00 |
21:31:31.17 |
+05:21:10.1 |
HIP 106312 |
6.93 |
| 2026-05-15 12:00 |
21:31:31.10 |
+05:21:27.4 |
HIP 106312 |
7.10 |
| 2026-05-16 00:00 |
21:31:31.01 |
+05:21:44.5 |
HIP 106312 |
7.27 |
| 2026-05-16 12:00 |
21:31:30.88 |
+05:22:01.5 |
HIP 106312 |
7.46 |
| 2026-05-17 00:00 |
21:31:30.74 |
+05:22:18.3 |
HIP 106312 |
7.66 |
| 2026-05-17 12:00 |
21:31:30.56 |
+05:22:35.1 |
HIP 106312 |
7.87 |
| 2026-05-18 00:00 |
21:31:30.36 |
+05:22:51.7 |
HIP 106312 |
8.09 |
| 2026-05-18 12:00 |
21:31:30.14 |
+05:23:08.2 |
HIP 106312 |
8.31 |
| 2026-05-19 00:00 |
21:31:29.89 |
+05:23:24.5 |
HIP 106312 |
8.54 |
| 2026-05-19 12:00 |
21:31:29.62 |
+05:23:40.8 |
HIP 106312 |
8.77 |
| 2026-05-20 00:00 |
21:31:29.32 |
+05:23:56.9 |
HIP 106312 |
9.02 |
| 2026-05-20 12:00 |
21:31:28.99 |
+05:24:12.8 |
HIP 106312 |
9.26 |
| 2026-05-21 00:00 |
21:31:28.64 |
+05:24:28.7 |
HIP 106312 |
9.51 |
| 2026-05-21 12:00 |
21:31:28.27 |
+05:24:44.3 |
HIP 106312 |
9.77 |
| 2026-05-22 00:00 |
21:31:27.87 |
+05:25:00.0 |
HIP 106312 |
10.02 |
| 2026-05-22 12:00 |
21:31:27.45 |
+05:25:15.3 |
HIP 106312 |
10.28 |
| 2026-05-23 00:00 |
21:31:27.00 |
+05:25:30.6 |
HIP 106242 |
10.24 |
| 2026-05-23 12:00 |
21:31:26.52 |
+05:25:45.8 |
HIP 106242 |
9.97 |
| 2026-05-24 00:00 |
21:31:26.02 |
+05:26:00.8 |
HIP 106242 |
9.69 |
| 2026-05-24 12:00 |
21:31:25.50 |
+05:26:15.7 |
HIP 106242 |
9.41 |
| 2026-05-25 00:00 |
21:31:24.95 |
+05:26:30.4 |
HIP 106242 |
9.13 |
| 2026-05-25 12:00 |
21:31:24.38 |
+05:26:45.0 |
HIP 106242 |
8.85 |
| 2026-05-26 00:00 |
21:31:23.78 |
+05:26:59.4 |
HIP 106242 |
8.56 |
| 2026-05-26 12:00 |
21:31:23.16 |
+05:27:13.7 |
HIP 106242 |
8.28 |
| 2026-05-27 00:00 |
21:31:22.51 |
+05:27:27.9 |
HIP 106242 |
8.00 |
| 2026-05-27 12:00 |
21:31:21.84 |
+05:27:41.9 |
HIP 106242 |
7.72 |
| 2026-05-28 00:00 |
21:31:21.15 |
+05:27:55.8 |
HIP 106242 |
7.44 |
| 2026-05-28 12:00 |
21:31:20.43 |
+05:28:09.5 |
HIP 106242 |
7.16 |
| 2026-05-29 00:00 |
21:31:19.68 |
+05:28:23.1 |
HIP 106242 |
6.88 |
| 2026-05-29 12:00 |
21:31:18.91 |
+05:28:36.5 |
HIP 106242 |
6.60 |
| 2026-05-30 00:00 |
21:31:18.12 |
+05:28:49.8 |
HIP 106242 |
6.32 |
| 2026-05-30 12:00 |
21:31:17.30 |
+05:29:03.0 |
HIP 106242 |
6.05 |
| 2026-05-31 00:00 |
21:31:16.46 |
+05:29:15.9 |
HIP 106242 |
5.77 |
| 2026-05-31 12:00 |
21:31:15.60 |
+05:29:28.8 |
HIP 106242 |
5.50 |
| 2026-06-01 00:00 |
21:31:14.71 |
+05:29:41.5 |
HIP 106242 |
5.24 |
| 2026-06-01 12:00 |
21:31:13.80 |
+05:29:54.0 |
HIP 106242 |
4.98 |
| 2026-06-02 00:00 |
21:31:12.86 |
+05:30:06.4 |
HIP 106242 |
4.73 |