AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1998EW9 ∴ Orbital info ∴ Epoch epochXXX

(312965) 1998EW9 ▹

ORBITAL INFORMATION

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(ASCII data file 312965.eq0)

Keplerian elements at epoch
57601.0 MJD
	Value	1-σ variation	Units
a	2.30798	9.316e-09	au
e	0.237519	6.268e-08
i	4.823	6.084e-06	deg
Ω	156.436	5.874e-05	deg
ω	346.982	6.168e-05	deg
M	108.365	1.541e-05	deg

Other useful info
Absolute Magnitude (H)	17.5	mag
Slope parameter (G)	0.15	mag
Perihelion	1.7598	au
Aphelion	2.8562	au
Asc. node-Earth separation	0.77719	au
Desc. node-Earth separation	1.82354	au
Earth MOID	0.77117	au
Orbital period	1280.7	days
Date of orbit computation	feb 22 02:56

Correlation matrix
1.00000000	-0.13275314	0.00861144	0.00730073	0.01212288	-0.10900379
-0.13275314	1.00000000	0.01486896	0.01254834	0.23081526	-0.71120594
0.00861144	0.01486896	1.00000000	0.42128645	-0.39042847	-0.02859169
0.00730073	0.01254834	0.42128645	1.00000000	-0.94341636	-0.01771193
0.01212288	0.23081526	-0.39042847	-0.94341636	1.00000000	-0.30895432
-0.10900379	-0.71120594	-0.02859169	-0.01771193	-0.30895432	1.00000000

Covariance matrix
8.67915078E-17	-7.75200977E-17	4.88108993E-16	3.99491142E-15	6.96611304E-15	-1.56511009E-14
-7.75200977E-17	3.92881659E-15	5.67040139E-15	4.61976057E-14	8.92362693E-13	-6.87054081E-13
4.88108993E-16	5.67040139E-15	3.70172905E-11	1.50550430E-10	-1.46517603E-10	-2.68106145E-12
3.99491142E-15	4.61976057E-14	1.50550430E-10	3.44988321E-09	-3.41783911E-09	-1.60336650E-11
6.96611304E-15	8.92362693E-13	-1.46517603E-10	-3.41783911E-09	3.80445132E-09	-2.93700683E-10
-1.56511009E-14	-6.87054081E-13	-2.68106145E-12	-1.60336650E-11	-2.93700683E-10	2.37535946E-10