AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1981ED4 ∴ Orbital info ∴ Epoch epochXXX

(363011) 1981ED4 ▹

ORBITAL INFORMATION

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(ASCII data file 363011.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.73631	1.521e-08	au
e	0.303707	7.287e-08
i	5.897	8.461e-06	deg
Ω	280.743	8.164e-05	deg
ω	276.568	8.446e-05	deg
M	165.185	1.504e-05	deg

Other useful info
Absolute Magnitude (H)	17.1	mag
Slope parameter (G)	0.15	mag
Perihelion	1.9053	au
Aphelion	3.5674	au
Asc. node-Earth separation	1.38435	au
Desc. node-Earth separation	1.5901	au
Earth MOID	0.91472	au
Orbital period	1653.28	days
Date of orbit computation	apr 23 21:06

Correlation matrix
1.00000000	0.19861763	0.03503636	0.00205875	0.02233699	-0.40149255
0.19861763	1.00000000	-0.04588366	-0.03254486	0.10447643	-0.37599417
0.03503636	-0.04588366	1.00000000	-0.27223381	0.25194259	0.02513244
0.00205875	-0.03254486	-0.27223381	1.00000000	-0.96624563	0.02174339
0.02233699	0.10447643	0.25194259	-0.96624563	1.00000000	-0.25527312
-0.40149255	-0.37599417	0.02513244	0.02174339	-0.25527312	1.00000000

Covariance matrix
2.31414723E-16	2.20169940E-16	4.50973320E-15	2.55692305E-15	2.86979047E-14	-9.18637824E-14
2.20169940E-16	5.30993846E-15	-2.82904079E-14	-1.93618267E-13	6.42973499E-13	-4.12094855E-13
4.50973320E-15	-2.82904079E-14	7.15933622E-11	-1.88060526E-10	1.80039576E-10	3.19847097E-12
2.55692305E-15	-1.93618267E-13	-1.88060526E-10	6.66558706E-09	-6.66249298E-09	2.67003979E-11
2.86979047E-14	6.42973499E-13	1.80039576E-10	-6.66249298E-09	7.13279981E-09	-3.24269746E-10
-9.18637824E-14	-4.12094855E-13	3.19847097E-12	2.67003979E-11	-3.24269746E-10	2.26226081E-10