AstDyS

AstDyS-2

Asteroids - Dynamic Site

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

(72240) 2001AL21 ▹

ORBITAL INFORMATION

◲

(ASCII data file 72240.eq0)

Keplerian elements at epoch
57680.8 MJD
	Value	1-σ variation	Units
a	2.41357	9.667e-09	au
e	0.067811	3.851e-08
i	3.746	4.895e-06	deg
Ω	339.678	5.757e-05	deg
ω	68.429	7.19e-05	deg
M	128.772	4.103e-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	1.33549	au
Desc. node-Earth separation	1.47406	au
Earth MOID	1.2619	au
Orbital period	1369.58	days
Date of orbit computation	Jun 5 00:52

Correlation matrix
1.00000000	0.16213343	0.00638159	-0.00742023	-0.11754360	0.20283804
0.16213343	1.00000000	-0.00025888	0.00187933	-0.22620919	0.36033441
0.00638159	-0.00025888	1.00000000	0.03829748	-0.02976743	-0.00189527
-0.00742023	0.00187933	0.03829748	1.00000000	-0.80025894	0.00382913
-0.11754360	-0.22620919	-0.02976743	-0.80025894	1.00000000	-0.60107050
0.20283804	0.36033441	-0.00189527	0.00382913	-0.60107050	1.00000000

Covariance matrix
9.34418036E-17	6.03526697E-17	3.01974367E-16	-4.12927307E-15	-8.17001976E-14	8.04529362E-14
6.03526697E-17	1.48288206E-15	-4.88004126E-17	4.16620840E-15	-6.26349966E-13	5.69352109E-13
3.01974367E-16	-4.88004126E-17	2.39630139E-11	1.07926131E-11	-1.04776923E-11	-3.80683063E-13
-4.12927307E-15	4.16620840E-15	1.07926131E-11	3.31414369E-09	-3.31260544E-09	9.04497530E-12
-8.17001976E-14	-6.26349966E-13	-1.04776923E-11	-3.31260544E-09	5.17019612E-09	-1.77337595E-09
8.04529362E-14	5.69352109E-13	-3.80683063E-13	9.04497530E-12	-1.77337595E-09	1.68361886E-09