메타데이터
| 항목 |
값 |
| Designation |
C/2003 W1 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2003-11-09T11:06:46.327680Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:35Z |
| Obs used |
95 |
| NEO |
- |
| M1 |
16.400 |
| K1 |
4.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2003-12-06.0000000 |
| e |
0.93434870 |
| q (au) |
1.652421 |
| a (au) |
25.169668 |
| i (deg) |
78.075971 |
| Ω (om, deg) |
256.742634 |
| ω (w, deg) |
113.288697 |
| M (ma, deg) |
0.207128 |
밝기
산란 + 전체 선형
$$
M_a = (15.601 + 4.976\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
15.601 |
| n |
4.976 |
| 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) |
| 2026-06-01 00:00 |
08:26:18.68 |
-67:32:26.2 |
HIP 41301 |
19.37 |
| 2026-06-01 12:00 |
08:26:24.09 |
-67:31:47.2 |
HIP 41301 |
18.85 |
| 2026-06-02 00:00 |
08:26:29.55 |
-67:31:08.4 |
HIP 41301 |
18.37 |
| 2026-06-02 12:00 |
08:26:35.06 |
-67:30:29.9 |
HIP 41301 |
17.91 |
| 2026-06-03 00:00 |
08:26:40.63 |
-67:29:51.6 |
HIP 41301 |
17.49 |
| 2026-06-03 12:00 |
08:26:46.24 |
-67:29:13.6 |
HIP 41301 |
17.11 |
| 2026-06-04 00:00 |
08:26:51.91 |
-67:28:35.8 |
HIP 41301 |
16.76 |
| 2026-06-04 12:00 |
08:26:57.63 |
-67:27:58.3 |
HIP 41301 |
16.46 |
| 2026-06-05 00:00 |
08:27:03.40 |
-67:27:21.1 |
HIP 41301 |
16.20 |
| 2026-06-05 12:00 |
08:27:09.22 |
-67:26:44.2 |
HIP 41301 |
15.98 |
| 2026-06-06 00:00 |
08:27:15.09 |
-67:26:07.5 |
HIP 41301 |
15.82 |
| 2026-06-06 12:00 |
08:27:21.01 |
-67:25:31.1 |
HIP 41301 |
15.70 |
| 2026-06-07 00:00 |
08:27:26.97 |
-67:24:54.9 |
HIP 41301 |
15.63 |
| 2026-06-07 12:00 |
08:27:32.99 |
-67:24:19.1 |
HIP 41301 |
15.62 |
| 2026-06-08 00:00 |
08:27:39.06 |
-67:23:43.5 |
HIP 41301 |
15.65 |
| 2026-06-08 12:00 |
08:27:45.17 |
-67:23:08.3 |
HIP 41301 |
15.74 |
| 2026-06-09 00:00 |
08:27:51.33 |
-67:22:33.3 |
HIP 41301 |
15.88 |
| 2026-06-09 12:00 |
08:27:57.54 |
-67:21:58.6 |
HIP 41301 |
16.06 |
| 2026-06-10 00:00 |
08:28:03.80 |
-67:21:24.2 |
HIP 41667 |
16.16 |
| 2026-06-10 12:00 |
08:28:10.10 |
-67:20:50.0 |
HIP 41667 |
15.34 |
| 2026-06-11 00:00 |
08:28:16.44 |
-67:20:16.2 |
HIP 41667 |
14.53 |
| 2026-06-11 12:00 |
08:28:22.84 |
-67:19:42.7 |
HIP 41667 |
13.72 |
| 2026-06-12 00:00 |
08:28:29.28 |
-67:19:09.5 |
HIP 41667 |
12.91 |
| 2026-06-12 12:00 |
08:28:35.76 |
-67:18:36.5 |
HIP 41667 |
12.11 |
| 2026-06-13 00:00 |
08:28:42.29 |
-67:18:03.9 |
HIP 41667 |
11.32 |
| 2026-06-13 12:00 |
08:28:48.86 |
-67:17:31.6 |
HIP 41667 |
10.53 |
| 2026-06-14 00:00 |
08:28:55.47 |
-67:16:59.6 |
HIP 41667 |
9.75 |
| 2026-06-14 12:00 |
08:29:02.13 |
-67:16:27.9 |
HIP 41667 |
8.99 |
| 2026-06-15 00:00 |
08:29:08.83 |
-67:15:56.6 |
HIP 41667 |
8.24 |
| 2026-06-15 12:00 |
08:29:15.57 |
-67:15:25.5 |
HIP 41667 |
7.52 |
| 2026-06-16 00:00 |
08:29:22.36 |
-67:14:54.8 |
HIP 41667 |
6.82 |
| 2026-06-16 12:00 |
08:29:29.18 |
-67:14:24.4 |
HIP 41667 |
6.16 |
| 2026-06-17 00:00 |
08:29:36.05 |
-67:13:54.3 |
HIP 41667 |
5.55 |
| 2026-06-17 12:00 |
08:29:42.95 |
-67:13:24.5 |
HIP 41667 |
5.02 |
| 2026-06-18 00:00 |
08:29:49.90 |
-67:12:55.1 |
HIP 41667 |
4.58 |
| 2026-06-18 12:00 |
08:29:56.88 |
-67:12:25.9 |
HIP 41667 |
4.26 |
| 2026-06-19 00:00 |
08:30:03.90 |
-67:11:57.2 |
HIP 41667 |
4.10 |
| 2026-06-19 12:00 |
08:30:10.96 |
-67:11:28.7 |
HIP 41667 |
4.11 |
| 2026-06-20 00:00 |
08:30:18.06 |
-67:11:00.6 |
HIP 41667 |
4.30 |
| 2026-06-20 12:00 |
08:30:25.19 |
-67:10:32.8 |
HIP 41667 |
4.63 |
| 2026-06-21 00:00 |
08:30:32.36 |
-67:10:05.4 |
HIP 41667 |
5.09 |
| 2026-06-21 12:00 |
08:30:39.57 |
-67:09:38.3 |
HIP 41667 |
5.64 |
| 2026-06-22 00:00 |
08:30:46.81 |
-67:09:11.5 |
HIP 41667 |
6.25 |