AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2012QA4 ∴ Orbital info ∴ Epoch epochXXX

(491559) 2012QA4 ▹

ORBITAL INFORMATION

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(ASCII data file 491559.eq0)

Keplerian elements at epoch
58100.2 MJD
	Value	1-σ variation	Units
a	2.62585	2.714e-08	au
e	0.162766	1.207e-07
i	8.413	8.631e-06	deg
Ω	330.899	6.716e-05	deg
ω	53.698	7.365e-05	deg
M	45.728	2.544e-05	deg

Other useful info
Absolute Magnitude (H)	17.8	mag
Slope parameter (G)	0.15	mag
Perihelion	2.1985	au
Aphelion	3.0533	au
Asc. node-Earth separation	1.32025	au
Desc. node-Earth separation	1.83971	au
Earth MOID	1.21261	au
Orbital period	1554.19	days
Date of orbit computation	apr 23 21:35

Correlation matrix
1.00000000	0.58742891	-0.02963134	0.01293281	-0.18229542	0.36835074
0.58742891	1.00000000	-0.07493352	-0.01642580	-0.14842738	0.30860435
-0.02963134	-0.07493352	1.00000000	0.40013175	-0.35253742	-0.01778275
0.01293281	-0.01642580	0.40013175	1.00000000	-0.90316573	0.00630962
-0.18229542	-0.14842738	-0.35253742	-0.90316573	1.00000000	-0.42512316
0.36835074	0.30860435	-0.01778275	0.00630962	-0.42512316	1.00000000

Covariance matrix
7.36399208E-16	1.92414221E-15	-6.93975131E-15	2.35701197E-14	-3.64354081E-13	2.54252861E-13
1.92414221E-15	1.45696928E-14	-7.80615788E-14	-1.33157000E-13	-1.31956399E-12	9.47490548E-13
-6.93975131E-15	-7.80615788E-14	7.44855369E-11	2.31926909E-10	-2.24095131E-10	-3.90375588E-12
2.35701197E-14	-1.33157000E-13	2.31926909E-10	4.51049602E-09	-4.46756446E-09	1.07786189E-11
-3.64354081E-13	-1.31956399E-12	-2.24095131E-10	-4.46756446E-09	5.42478404E-09	-7.96441058E-10
2.54252861E-13	9.47490548E-13	-3.90375588E-12	1.07786189E-11	-7.96441058E-10	6.46986623E-10