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.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.52203	1.39e-08	au
e	0.209207	4.289e-08
i	5.538	1.298e-05	deg
Ω	63.604	4.059e-05	deg
ω	275.226	5.673e-05	deg
M	270.533	3.845e-05	deg

Other useful info
Absolute Magnitude (H)	16.9	mag
Slope parameter (G)	0.15	mag
Perihelion	1.9944	au
Aphelion	3.0497	au
Asc. node-Earth separation	1.38001	au
Desc. node-Earth separation	1.44595	au
Earth MOID	0.9948	au
Orbital period	1462.93	days
Date of orbit computation	apr 23 20:37

Correlation matrix
1.00000000	-0.19660459	0.01266291	-0.00262592	-0.02294292	-0.10467782
-0.19660459	1.00000000	0.00685547	-0.00477252	0.37908509	-0.53068722
0.01266291	0.00685547	1.00000000	-0.17666157	0.13502442	-0.01353577
-0.00262592	-0.00477252	-0.17666157	1.00000000	-0.72020668	0.01440736
-0.02294292	0.37908509	0.13502442	-0.72020668	1.00000000	-0.69369471
-0.10467782	-0.53068722	-0.01353577	0.01440736	-0.69369471	1.00000000

Covariance matrix
1.93263328E-16	-1.17213490E-16	2.28505276E-15	-1.48170093E-15	-1.80927637E-14	-5.59553512E-14
-1.17213490E-16	1.83915544E-15	3.81623161E-15	-8.30732621E-15	9.22204916E-13	-8.75104845E-13
2.28505276E-15	3.81623161E-15	1.68490760E-10	-9.30752166E-11	9.94218610E-11	-6.75590255E-12
-1.48170093E-15	-8.30732621E-15	-9.30752166E-11	1.64743337E-09	-1.65822168E-09	2.24853944E-11
-1.80927637E-14	9.22204916E-13	9.94218610E-11	-1.65822168E-09	3.21782946E-09	-1.51308084E-09
-5.59553512E-14	-8.75104845E-13	-6.75590255E-12	2.24853944E-11	-1.51308084E-09	1.47851072E-09