메타데이터
| 항목 |
값 |
| Designation |
C/2010 L3 (Catalina) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2010-11-10T11:09:03.124800Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:44Z |
| Obs used |
123 |
| NEO |
- |
| M1 |
4.700 |
| K1 |
10.000 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2010-12-11.0000000 |
| e |
0.99924162 |
| q (au) |
9.882907 |
| a (au) |
13031.539959 |
| i (deg) |
102.631072 |
| Ω (om, deg) |
38.275340 |
| ω (w, deg) |
121.773967 |
| M (ma, deg) |
0.000020 |
밝기
산란 + 전체 선형
$$
M_a = (3.629 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
3.629 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.799 |
| k |
0.801 |
| δ90 |
9.456 |
| 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) |
| 2026-07-29 00:00 |
11:32:22.98 |
-50:51:41.6 |
HIP 56370 |
9.34 |
| 2026-07-29 12:00 |
11:32:26.23 |
-50:51:21.4 |
HIP 56370 |
8.98 |
| 2026-07-30 00:00 |
11:32:29.51 |
-50:51:01.6 |
HIP 56370 |
8.64 |
| 2026-07-30 12:00 |
11:32:32.83 |
-50:50:42.2 |
HIP 56370 |
8.32 |
| 2026-07-31 00:00 |
11:32:36.18 |
-50:50:23.1 |
HIP 56370 |
8.03 |
| 2026-07-31 12:00 |
11:32:39.56 |
-50:50:04.5 |
HIP 56370 |
7.77 |
| 2026-08-01 00:00 |
11:32:42.97 |
-50:49:46.2 |
HIP 56370 |
7.54 |
| 2026-08-01 12:00 |
11:32:46.42 |
-50:49:28.3 |
HIP 56370 |
7.35 |
| 2026-08-02 00:00 |
11:32:49.90 |
-50:49:10.7 |
HIP 56370 |
7.20 |
| 2026-08-02 12:00 |
11:32:53.41 |
-50:48:53.6 |
HIP 56370 |
7.10 |
| 2026-08-03 00:00 |
11:32:56.95 |
-50:48:36.8 |
HIP 56370 |
7.03 |
| 2026-08-03 12:00 |
11:33:00.52 |
-50:48:20.5 |
HIP 56370 |
7.02 |
| 2026-08-04 00:00 |
11:33:04.13 |
-50:48:04.5 |
HIP 56370 |
7.06 |
| 2026-08-04 12:00 |
11:33:07.76 |
-50:47:48.9 |
HIP 56370 |
7.14 |
| 2026-08-05 00:00 |
11:33:11.42 |
-50:47:33.7 |
HIP 56370 |
7.27 |
| 2026-08-05 12:00 |
11:33:15.12 |
-50:47:18.9 |
HIP 56370 |
7.44 |
| 2026-08-06 00:00 |
11:33:18.84 |
-50:47:04.5 |
HIP 56370 |
7.65 |
| 2026-08-06 12:00 |
11:33:22.60 |
-50:46:50.4 |
HIP 56370 |
7.91 |
| 2026-08-07 00:00 |
11:33:26.38 |
-50:46:36.8 |
HIP 56370 |
8.20 |
| 2026-08-07 12:00 |
11:33:30.19 |
-50:46:23.6 |
HIP 56370 |
8.52 |
| 2026-08-08 00:00 |
11:33:34.03 |
-50:46:10.7 |
HIP 56370 |
8.87 |
| 2026-08-08 12:00 |
11:33:37.90 |
-50:45:58.3 |
HIP 56370 |
9.25 |
| 2026-08-09 00:00 |
11:33:41.79 |
-50:45:46.3 |
HIP 56370 |
9.65 |
| 2026-08-09 12:00 |
11:33:45.72 |
-50:45:34.6 |
HIP 56370 |
10.08 |
| 2026-08-10 00:00 |
11:33:49.67 |
-50:45:23.4 |
HIP 56370 |
10.52 |
| 2026-08-10 12:00 |
11:33:53.64 |
-50:45:12.6 |
HIP 56370 |
10.98 |
| 2026-08-11 00:00 |
11:33:57.65 |
-50:45:02.1 |
HIP 56370 |
11.46 |
| 2026-08-11 12:00 |
11:34:01.68 |
-50:44:52.1 |
HIP 56370 |
11.94 |
| 2026-08-12 00:00 |
11:34:05.73 |
-50:44:42.5 |
HIP 56370 |
12.45 |
| 2026-08-12 12:00 |
11:34:09.82 |
-50:44:33.3 |
HIP 56370 |
12.96 |
| 2026-08-13 00:00 |
11:34:13.92 |
-50:44:24.5 |
HIP 56543 |
13.35 |
| 2026-08-13 12:00 |
11:34:18.05 |
-50:44:16.1 |
HIP 56543 |
12.68 |
| 2026-08-14 00:00 |
11:34:22.21 |
-50:44:08.1 |
HIP 56543 |
12.02 |
| 2026-08-14 12:00 |
11:34:26.39 |
-50:44:00.6 |
HIP 56543 |
11.35 |
| 2026-08-15 00:00 |
11:34:30.60 |
-50:43:53.4 |
HIP 56543 |
10.68 |
| 2026-08-15 12:00 |
11:34:34.82 |
-50:43:46.7 |
HIP 56543 |
10.01 |
| 2026-08-16 00:00 |
11:34:39.07 |
-50:43:40.3 |
HIP 56543 |
9.33 |
| 2026-08-16 12:00 |
11:34:43.35 |
-50:43:34.4 |
HIP 56543 |
8.66 |
| 2026-08-17 00:00 |
11:34:47.64 |
-50:43:28.9 |
HIP 56543 |
7.97 |
| 2026-08-17 12:00 |
11:34:51.96 |
-50:43:23.8 |
HIP 56543 |
7.29 |
| 2026-08-18 00:00 |
11:34:56.30 |
-50:43:19.1 |
HIP 56543 |
6.60 |
| 2026-08-18 12:00 |
11:35:00.66 |
-50:43:14.8 |
HIP 56543 |
5.92 |
| 2026-08-19 00:00 |
11:35:05.04 |
-50:43:11.0 |
HIP 56543 |
5.23 |