AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1997EA31 ∴ Orbital info ∴ Epoch epochXXX

(39758) 1997EA31 ▹

ORBITAL INFORMATION

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(ASCII data file 39758.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.93021	1.544e-08	au
e	0.091045	4.89e-08
i	5.023	5.79e-06	deg
Ω	359.76	4.293e-05	deg
ω	307.551	6.376e-05	deg
M	23.648	5.206e-05	deg

Other useful info
Absolute Magnitude (H)	14.7	mag
Slope parameter (G)	0.15	mag
Perihelion	2.6634	au
Aphelion	3.197	au
Asc. node-Earth separation	1.75019	au
Desc. node-Earth separation	2.08083	au
Earth MOID	1.65241	au
Orbital period	1832.09	days
Date of orbit computation	apr 23 19:54

Correlation matrix
1.00000000	0.19591777	0.00626999	-0.00203925	0.20131550	-0.35692828
0.19591777	1.00000000	0.00545084	-0.01080915	0.49533044	-0.66729505
0.00626999	0.00545084	1.00000000	0.14765557	-0.09452926	-0.00587670
-0.00203925	-0.01080915	0.14765557	1.00000000	-0.67003328	0.00126810
0.20131550	0.49533044	-0.09452926	-0.67003328	1.00000000	-0.73829870
-0.35692828	-0.66729505	-0.00587670	0.00126810	-0.73829870	1.00000000

Covariance matrix
2.38392846E-16	1.47933389E-16	5.60496551E-16	-1.35160922E-15	1.98197860E-13	-2.86881509E-13
1.47933389E-16	2.39161653E-15	1.54336326E-15	-2.26918744E-14	1.54459967E-12	-1.69878596E-12
5.60496551E-16	1.54336326E-15	3.35211322E-11	3.66979894E-11	-3.48980179E-11	-1.77120154E-12
-1.35160922E-15	-2.26918744E-14	3.66979894E-11	1.84274913E-09	-1.83402234E-09	2.83375519E-12
1.98197860E-13	1.54459967E-12	-3.48980179E-11	-1.83402234E-09	4.06584002E-09	-2.45065533E-09
-2.86881509E-13	-1.69878596E-12	-1.77120154E-12	2.83375519E-12	-2.45065533E-09	2.70987946E-09