AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1999VR21 ∴ Orbital info ∴ Epoch epochXXX

(21909) 1999VR21 ▹

ORBITAL INFORMATION

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(ASCII data file 21909.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.55737	8.339e-09	au
e	0.131155	5.895e-08
i	6.413	3.906e-06	deg
Ω	194.743	3.078e-05	deg
ω	328.984	3.331e-05	deg
M	250.621	1.194e-05	deg

Other useful info
Absolute Magnitude (H)	14.7	mag
Slope parameter (G)	0.15	mag
Perihelion	2.222	au
Aphelion	2.8928	au
Asc. node-Earth separation	1.25921	au
Desc. node-Earth separation	1.8331	au
Earth MOID	1.23224	au
Orbital period	1493.79	days
Date of orbit computation	apr 23 19:50

Correlation matrix
1.00000000	-0.41401532	0.02526736	-0.00223230	-0.03199780	-0.29647803
-0.41401532	1.00000000	-0.04171669	-0.00591740	0.07667028	0.15588107
0.02526736	-0.04171669	1.00000000	-0.32259353	0.29983429	-0.02605819
-0.00223230	-0.00591740	-0.32259353	1.00000000	-0.92244970	0.00826712
-0.03199780	0.07667028	0.29983429	-0.92244970	1.00000000	-0.34930478
-0.29647803	0.15588107	-0.02605819	0.00826712	-0.34930478	1.00000000

Covariance matrix
6.95429984E-17	-2.03532303E-16	8.23049700E-16	-5.72933385E-16	-8.88779162E-15	-2.95168644E-14
-2.03532303E-16	3.47520525E-15	-9.60593394E-15	-1.07360949E-14	1.50544288E-13	1.09707068E-13
8.23049700E-16	-9.60593394E-15	1.52573483E-11	-3.87811277E-11	3.90092735E-11	-1.21516347E-12
-5.72933385E-16	-1.07360949E-14	-3.87811277E-11	9.47219196E-10	-9.45616341E-10	3.03760071E-12
-8.88779162E-15	1.50544288E-13	3.90092735E-11	-9.45616341E-10	1.10941506E-09	-1.38900096E-10
-2.95168644E-14	1.09707068E-13	-1.21516347E-12	3.03760071E-12	-1.38900096E-10	1.42528590E-10