AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1999LZ21 ∴ Orbital info ∴ Epoch epochXXX

(20458) 1999LZ21 ▹

ORBITAL INFORMATION

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(ASCII data file 20458.eq0)

Keplerian elements at epoch
57553.2 MJD
	Value	1-σ variation	Units
a	2.34362	4.905e-09	au
e	0.222888	3.72e-08
i	5.854	4.356e-06	deg
Ω	212.678	2.934e-05	deg
ω	126.151	3.07e-05	deg
M	210.77	8.085e-06	deg

Other useful info
Absolute Magnitude (H)	15.5	mag
Slope parameter (G)	0.15	mag
Perihelion	1.8213	au
Aphelion	2.866	au
Asc. node-Earth separation	1.55857	au
Desc. node-Earth separation	0.97519	au
Earth MOID	0.82028	au
Orbital period	1310.47	days
Date of orbit computation	Jun 5 00:41

Correlation matrix
1.00000000	0.27233563	-0.01040928	-0.00293454	0.02557951	-0.11318950
0.27233563	1.00000000	-0.01392054	-0.00904978	0.11098963	-0.44580899
-0.01040928	-0.01392054	1.00000000	-0.22806040	0.21250416	0.01342495
-0.00293454	-0.00904978	-0.22806040	1.00000000	-0.95319553	0.00855380
0.02557951	0.11098963	0.21250416	-0.95319553	1.00000000	-0.29759141
-0.11318950	-0.44580899	0.01342495	0.00855380	-0.29759141	1.00000000

Covariance matrix
2.40592388E-17	4.96934918E-17	-2.22393220E-16	-4.22367645E-16	3.85227353E-15	-4.48902617E-15
4.96934918E-17	1.38391121E-15	-2.25564125E-15	-9.87875032E-15	1.26771191E-13	-1.34093581E-13
-2.22393220E-16	-2.25564125E-15	1.89722864E-11	-2.91487276E-11	2.84191644E-11	4.72799938E-13
-4.22367645E-16	-9.87875032E-15	-2.91487276E-11	8.61032943E-10	-8.58768126E-10	2.02943007E-12
3.85227353E-15	1.26771191E-13	2.84191644E-11	-8.58768126E-10	9.42688207E-10	-7.38770374E-11
-4.48902617E-15	-1.34093581E-13	4.72799938E-13	2.02943007E-12	-7.38770374E-11	6.53747583E-11