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.eq0)

Keplerian elements at epoch
57990.6 MJD
	Value	1-σ variation	Units
a	2.42257	4.164e-09	au
e	0.225693	1.795e-08
i	1.795	1.84e-06	deg
Ω	227.455	9.199e-05	deg
ω	5.641	9.232e-05	deg
M	51.421	7.224e-06	deg

Other useful info
Absolute Magnitude (H)	13.0	mag
Slope parameter (G)	0.15	mag
Perihelion	1.8758	au
Aphelion	2.9693	au
Asc. node-Earth separation	0.86706	au
Desc. node-Earth separation	1.97475	au
Earth MOID	0.86395	au
Orbital period	1377.25	days
Date of orbit computation	apr 23 19:46

Correlation matrix
1.00000000	0.21018449	0.00575409	-0.00412498	0.01936768	-0.22032856
0.21018449	1.00000000	0.00618942	-0.00498232	0.00531753	-0.13722134
0.00575409	0.00618942	1.00000000	-0.24768465	0.24593845	0.00822075
-0.00412498	-0.00498232	-0.24768465	1.00000000	-0.99689055	0.01231752
0.01936768	0.00531753	0.24593845	-0.99689055	1.00000000	-0.08859321
-0.22032856	-0.13722134	0.00822075	0.01231752	-0.08859321	1.00000000

Covariance matrix
1.73383539E-17	1.57074050E-17	4.40922360E-17	-1.58003816E-15	7.44521687E-15	-6.62749656E-15
1.57074050E-17	3.22106636E-16	2.04423673E-16	-8.22569016E-15	8.81060928E-15	-1.77908325E-14
4.40922360E-17	2.04423673E-16	3.38659531E-12	-4.19297302E-11	4.17834079E-11	1.09286892E-13
-1.58003816E-15	-8.22569016E-15	-4.19297302E-11	8.46218739E-09	-8.46612317E-09	8.18539295E-12
7.44521687E-15	8.81060928E-15	4.17834079E-11	-8.46612317E-09	8.52298196E-09	-5.90841485E-11
-6.62749656E-15	-1.77908325E-14	1.09286892E-13	8.18539295E-12	-5.90841485E-11	5.21854652E-11