AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ Alekhin ∴ Orbital info ∴ Epoch epochXXX

(1909) Alekhin ▹

ORBITAL INFORMATION

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(ASCII data file 1909.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.4215	4.111e-09	au
e	0.22748	1.796e-08
i	1.799	1.843e-06	deg
Ω	227.289	9.174e-05	deg
ω	5.802	9.207e-05	deg
M	321.154	7.678e-06	deg

Other useful info
Absolute Magnitude (H)	13.0	mag
Slope parameter (G)	0.15	mag
Perihelion	1.8707	au
Aphelion	2.9723	au
Asc. node-Earth separation	0.86301	au
Desc. node-Earth separation	1.97844	au
Earth MOID	0.85969	au
Orbital period	1376.34	days
Date of orbit computation	apr 23 19:46

Correlation matrix
1.00000000	0.17642016	0.00548384	-0.00050729	0.01809614	-0.43888519
0.17642016	1.00000000	0.00589408	-0.00553596	0.00488090	-0.16074104
0.00548384	0.00589408	1.00000000	-0.24958364	0.24783497	0.00656890
-0.00050729	-0.00553596	-0.24958364	1.00000000	-0.99691950	0.01224806
0.01809614	0.00488090	0.24783497	-0.99691950	1.00000000	-0.08615932
-0.43888519	-0.16074104	0.00656890	0.01224806	-0.08615932	1.00000000

Covariance matrix
1.69039036E-17	1.30251811E-17	4.15611914E-17	-1.91353455E-16	6.85013607E-15	-1.38537765E-14
1.30251811E-17	3.22466139E-16	1.95104829E-16	-9.12046616E-15	8.06978116E-15	-2.21611644E-14
4.15611914E-17	1.95104829E-16	3.39797432E-12	-4.22093276E-11	4.20622466E-11	9.29664582E-14
-1.91353455E-16	-9.12046616E-15	-4.22093276E-11	8.41714012E-09	-8.42097159E-09	8.62726687E-12
6.85013607E-15	8.06978116E-15	4.20622466E-11	-8.42097159E-09	8.47695085E-09	-6.09040068E-11
-1.38537765E-14	-2.21611644E-14	9.29664582E-14	8.62726687E-12	-6.09040068E-11	5.89450721E-11