AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2001XA221 ∴ Orbital info ∴ Epoch epochXXX

(228570) 2001XA221 ▹

ORBITAL INFORMATION

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(ASCII data file 228570.eq0)

Keplerian elements at epoch
57755.1 MJD
	Value	1-σ variation	Units
a	2.52093	1.392e-08	au
e	0.2096	4.303e-08
i	5.54	1.299e-05	deg
Ω	63.652	4.057e-05	deg
ω	275.411	5.67e-05	deg
M	339.102	3.831e-05	deg

Other useful info
Absolute Magnitude (H)	16.9	mag
Slope parameter (G)	0.15	mag
Perihelion	1.9925	au
Aphelion	3.0493	au
Asc. node-Earth separation	1.3759	au
Desc. node-Earth separation	1.44536	au
Earth MOID	0.99142	au
Orbital period	1461.97	days
Date of orbit computation	apr 23 20:37

Correlation matrix
1.00000000	-0.22046431	0.00958510	-0.00141392	-0.05091557	0.07436927
-0.22046431	1.00000000	0.00657864	-0.00470580	0.38380096	-0.56802145
0.00958510	0.00657864	1.00000000	-0.17607116	0.13438781	-0.01184867
-0.00141392	-0.00470580	-0.17607116	1.00000000	-0.72002337	0.01401272
-0.05091557	0.38380096	0.13438781	-0.72002337	1.00000000	-0.70041789
0.07436927	-0.56802145	-0.01184867	0.01401272	-0.70041789	1.00000000

Covariance matrix
1.93808910E-16	-1.32075206E-16	1.73273744E-15	-7.98485004E-16	-4.01875356E-14	3.96636929E-14
-1.32075206E-16	1.85179219E-15	3.67604947E-15	-8.21454220E-15	9.36388498E-13	-9.36426322E-13
1.73273744E-15	3.67604947E-15	1.68615740E-10	-9.27452144E-11	9.89379310E-11	-5.89428957E-12
-7.98485004E-16	-8.21454220E-15	-9.27452144E-11	1.64554003E-09	-1.65597854E-09	2.17765696E-11
-4.01875356E-14	9.36388498E-13	9.89379310E-11	-1.65597854E-09	3.21445815E-09	-1.52133154E-09
3.96636929E-14	-9.36426322E-13	-5.89428957E-12	2.17765696E-11	-1.52133154E-09	1.46766013E-09