AstDyS

AstDyS-2

Asteroids - Dynamic Site

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

(491559) 2012QA4 ▹

ORBITAL INFORMATION

◲

(ASCII data file 491559.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.62753	2.774e-08	au
e	0.160666	1.214e-07
i	8.415	8.636e-06	deg
Ω	330.821	6.707e-05	deg
ω	53.636	7.375e-05	deg
M	218.321	2.418e-05	deg

Other useful info
Absolute Magnitude (H)	17.8	mag
Slope parameter (G)	0.15	mag
Perihelion	2.2054	au
Aphelion	3.0497	au
Asc. node-Earth separation	1.32636	au
Desc. node-Earth separation	1.84097	au
Earth MOID	1.22006	au
Orbital period	1555.68	days
Date of orbit computation	apr 23 21:35

Correlation matrix
1.00000000	0.60941611	-0.03900836	0.00819200	-0.17904869	0.05011276
0.60941611	1.00000000	-0.07394599	-0.01495735	-0.15569329	0.13903581
-0.03900836	-0.07394599	1.00000000	0.40046486	-0.35134727	-0.00802294
0.00819200	-0.01495735	0.40046486	1.00000000	-0.90073425	0.00271464
-0.17904869	-0.15569329	-0.35134727	-0.90073425	1.00000000	-0.39978845
0.05011276	0.13903581	-0.00802294	0.00271464	-0.39978845	1.00000000

Covariance matrix
7.69262803E-16	2.05182862E-15	-9.34292439E-15	1.52397090E-14	-3.66231136E-13	3.36097932E-14
2.05182862E-15	1.47359983E-14	-7.75161507E-14	-1.21785031E-13	-1.39381914E-12	4.08128163E-13
-9.34292439E-15	-7.75161507E-14	7.45719624E-11	2.31953960E-10	-2.23754157E-10	-1.67533462E-12
1.52397090E-14	-1.21785031E-13	2.31953960E-10	4.49882590E-09	-4.45546480E-09	4.40293235E-12
-3.66231136E-13	-1.39381914E-12	-2.23754157E-10	-4.45546480E-09	5.43867982E-09	-7.12946786E-10
3.36097932E-14	4.08128163E-13	-1.67533462E-12	4.40293235E-12	-7.12946786E-10	5.84736563E-10