AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2001AL21 ∴ Orbital info ∴ Epoch epochXXX

(72240) 2001AL21 ▹

ORBITAL INFORMATION

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(ASCII data file 72240.eq0)

Keplerian elements at epoch
57663.1 MJD
	Value	1-σ variation	Units
a	2.41354	9.723e-09	au
e	0.067789	3.852e-08
i	3.746	4.901e-06	deg
Ω	339.679	5.783e-05	deg
ω	68.402	7.234e-05	deg
M	124.151	4.131e-05	deg

Other useful info
Absolute Magnitude (H)	15.9	mag
Slope parameter (G)	0.15	mag
Perihelion	2.2499	au
Aphelion	2.5772	au
Asc. node-Earth separation	1.33479	au
Desc. node-Earth separation	1.47181	au
Earth MOID	1.26183	au
Orbital period	1369.56	days
Date of orbit computation	apr 23 20:01

Correlation matrix
1.00000000	0.15957717	0.00601951	-0.00628722	-0.12310512	0.21078687
0.15957717	1.00000000	-0.00027888	0.00189922	-0.22421550	0.35701354
0.00601951	-0.00027888	1.00000000	0.03360666	-0.02559874	-0.00250807
-0.00628722	0.00189922	0.03360666	1.00000000	-0.79981779	0.00509115
-0.12310512	-0.22421550	-0.02559874	-0.79981779	1.00000000	-0.60267883
0.21078687	0.35701354	-0.00250807	0.00509115	-0.60267883	1.00000000

Covariance matrix
9.45337244E-17	5.97636270E-17	2.86824848E-16	-3.53502890E-15	-8.65857308E-14	8.46567587E-14
5.97636270E-17	1.48369827E-15	-5.26441765E-17	4.23048357E-15	-6.24762943E-13	5.68044267E-13
2.86824848E-16	-5.26441765E-17	2.40172989E-11	9.52420332E-12	-9.07522829E-12	-5.07723054E-13
-3.53502890E-15	4.23048357E-15	9.52420332E-12	3.34412475E-09	-3.34587054E-09	1.21613591E-11
-8.65857308E-14	-6.24762943E-13	-9.07522829E-12	-3.34587054E-09	5.23303549E-09	-1.80089117E-09
8.46567587E-14	5.68044267E-13	-5.07723054E-13	1.21613591E-11	-1.80089117E-09	1.70627642E-09