메타데이터
| 항목 |
값 |
| Designation |
C/2003 S3 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2003-04-10T12:54:00.440640Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:31Z |
| Obs used |
122 |
| NEO |
- |
| M1 |
6.700 |
| K1 |
9.250 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2003-10-21.0000000 |
| e |
1.00180553 |
| q (au) |
8.129525 |
| a (au) |
-4502.566031 |
| i (deg) |
151.497754 |
| Ω (om, deg) |
226.388802 |
| ω (w, deg) |
154.570171 |
| M (ma, deg) |
0.000631 |
밝기
산란 + 전체 선형
$$
M_a = (0.591 + 5.968\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
0.591 |
| n |
5.968 |
| gf |
1.000 |
| gb |
-1.000 |
| 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) |
| 2026-03-26 00:00 |
21:13:03.21 |
-45:12:50.4 |
HIP 104613 |
18.45 |
| 2026-03-26 12:00 |
21:13:05.47 |
-45:13:00.4 |
HIP 104613 |
18.88 |
| 2026-03-27 00:00 |
21:13:07.70 |
-45:13:10.7 |
HIP 104613 |
19.31 |
| 2026-03-27 12:00 |
21:13:09.91 |
-45:13:21.1 |
HIP 104613 |
19.74 |
| 2026-03-28 00:00 |
21:13:12.09 |
-45:13:31.7 |
HIP 104613 |
20.16 |
| 2026-03-28 12:00 |
21:13:14.25 |
-45:13:42.5 |
HIP 104613 |
20.58 |
| 2026-03-29 00:00 |
21:13:16.37 |
-45:13:53.5 |
HIP 104613 |
21.00 |
| 2026-03-29 12:00 |
21:13:18.47 |
-45:14:04.8 |
HIP 104613 |
21.41 |
| 2026-03-30 00:00 |
21:13:20.55 |
-45:14:16.2 |
HIP 104613 |
21.82 |
| 2026-03-30 12:00 |
21:13:22.59 |
-45:14:27.8 |
HIP 104613 |
22.23 |
| 2026-03-31 00:00 |
21:13:24.61 |
-45:14:39.5 |
HIP 104613 |
22.64 |
| 2026-03-31 12:00 |
21:13:26.60 |
-45:14:51.5 |
HIP 104613 |
23.04 |
| 2026-04-01 00:00 |
21:13:28.57 |
-45:15:03.7 |
HIP 104613 |
23.44 |
| 2026-04-01 12:00 |
21:13:30.50 |
-45:15:16.1 |
HIP 104761 |
23.40 |
| 2026-04-02 00:00 |
21:13:32.41 |
-45:15:28.6 |
HIP 104761 |
23.21 |
| 2026-04-02 12:00 |
21:13:34.29 |
-45:15:41.4 |
HIP 104761 |
23.03 |
| 2026-04-03 00:00 |
21:13:36.14 |
-45:15:54.3 |
HIP 104761 |
22.84 |
| 2026-04-03 12:00 |
21:13:37.96 |
-45:16:07.4 |
HIP 104761 |
22.66 |
| 2026-04-04 00:00 |
21:13:39.76 |
-45:16:20.7 |
HIP 104761 |
22.48 |
| 2026-04-04 12:00 |
21:13:41.52 |
-45:16:34.2 |
HIP 104761 |
22.30 |
| 2026-04-05 00:00 |
21:13:43.26 |
-45:16:47.9 |
HIP 104761 |
22.12 |
| 2026-04-05 12:00 |
21:13:44.96 |
-45:17:01.8 |
HIP 104761 |
21.95 |
| 2026-04-06 00:00 |
21:13:46.64 |
-45:17:15.9 |
HIP 104761 |
21.77 |
| 2026-04-06 12:00 |
21:13:48.29 |
-45:17:30.1 |
HIP 104761 |
21.60 |
| 2026-04-07 00:00 |
21:13:49.91 |
-45:17:44.5 |
HIP 104761 |
21.42 |
| 2026-04-07 12:00 |
21:13:51.50 |
-45:17:59.1 |
HIP 104761 |
21.25 |
| 2026-04-08 00:00 |
21:13:53.05 |
-45:18:13.9 |
HIP 104761 |
21.08 |
| 2026-04-08 12:00 |
21:13:54.58 |
-45:18:28.9 |
HIP 104761 |
20.91 |
| 2026-04-09 00:00 |
21:13:56.08 |
-45:18:44.0 |
HIP 104761 |
20.74 |
| 2026-04-09 12:00 |
21:13:57.55 |
-45:18:59.4 |
HIP 104761 |
20.57 |
| 2026-04-10 00:00 |
21:13:58.98 |
-45:19:14.9 |
HIP 104761 |
20.40 |
| 2026-04-10 12:00 |
21:14:00.39 |
-45:19:30.6 |
HIP 104761 |
20.23 |
| 2026-04-11 00:00 |
21:14:01.76 |
-45:19:46.4 |
HIP 104761 |
20.06 |
| 2026-04-11 12:00 |
21:14:03.11 |
-45:20:02.5 |
HIP 104761 |
19.89 |
| 2026-04-12 00:00 |
21:14:04.42 |
-45:20:18.7 |
HIP 104761 |
19.72 |
| 2026-04-12 12:00 |
21:14:05.70 |
-45:20:35.1 |
HIP 104761 |
19.56 |
| 2026-04-13 00:00 |
21:14:06.95 |
-45:20:51.6 |
HIP 104761 |
19.39 |
| 2026-04-13 12:00 |
21:14:08.17 |
-45:21:08.4 |
HIP 104761 |
19.22 |
| 2026-04-14 00:00 |
21:14:09.35 |
-45:21:25.3 |
HIP 104761 |
19.05 |
| 2026-04-14 12:00 |
21:14:10.51 |
-45:21:42.4 |
HIP 104761 |
18.89 |
| 2026-04-15 00:00 |
21:14:11.63 |
-45:21:59.6 |
HIP 104761 |
18.72 |
| 2026-04-15 12:00 |
21:14:12.72 |
-45:22:17.0 |
HIP 104761 |
18.55 |
| 2026-04-16 00:00 |
21:14:13.78 |
-45:22:34.6 |
HIP 104761 |
18.38 |