AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2008ER77 ∴ Orbital info ∴ Epoch epochXXX

(256959) 2008ER77 ▹

ORBITAL INFORMATION

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(ASCII data file 256959.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.78278	1.956e-08	au
e	0.049938	4.858e-08
i	4.519	6.58e-06	deg
Ω	58.517	8.502e-05	deg
ω	63.06	0.0001213	deg
M	223.937	8.521e-05	deg

Other useful info
Absolute Magnitude (H)	16.7	mag
Slope parameter (G)	0.15	mag
Perihelion	2.6438	au
Aphelion	2.9217	au
Asc. node-Earth separation	1.72736	au
Desc. node-Earth separation	1.8281	au
Earth MOID	1.66405	au
Orbital period	1695.58	days
Date of orbit computation	apr 23 20:44

Correlation matrix
1.00000000	0.17260553	-0.00026672	-0.00496346	0.04443150	-0.14157456
0.17260553	1.00000000	0.00382475	0.00906414	0.18210095	-0.28053130
-0.00026672	0.00382475	1.00000000	-0.41944810	0.29319599	0.00023138
-0.00496346	0.00906414	-0.41944810	1.00000000	-0.70175974	0.00550390
0.04443150	0.18210095	0.29319599	-0.70175974	1.00000000	-0.71278750
-0.14157456	-0.28053130	0.00023138	0.00550390	-0.71278750	1.00000000

Covariance matrix
3.82400239E-16	1.63967410E-16	-3.43201666E-17	-8.25179045E-15	1.05418777E-13	-2.35911247E-13
1.63967410E-16	2.35986691E-15	1.22259067E-15	3.74347564E-14	1.07330686E-12	-1.16125990E-12
-3.43201666E-17	1.22259067E-15	4.32981466E-11	-2.34648472E-10	2.34078003E-10	1.29735196E-13
-8.25179045E-15	3.74347564E-14	-2.34648472E-10	7.22785918E-09	-7.23871074E-09	3.98730568E-11
1.05418777E-13	1.07330686E-12	2.34078003E-10	-7.23871074E-09	1.47209508E-08	-7.36940380E-09
-2.35911247E-13	-1.16125990E-12	1.29735196E-13	3.98730568E-11	-7.36940380E-09	7.26120504E-09