AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2005ER221 ∴ Orbital info ∴ Epoch epochXXX

(299133) 2005ER221 ▹

ORBITAL INFORMATION

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(ASCII data file 299133.eq0)

Keplerian elements at epoch
57959.1 MJD
	Value	1-σ variation	Units
a	2.621	2.044e-08	au
e	0.04257	5.552e-08
i	13.651	5.601e-06	deg
Ω	224.346	2.049e-05	deg
ω	334.612	6.251e-05	deg
M	300.75	5.978e-05	deg

Other useful info
Absolute Magnitude (H)	16.0	mag
Slope parameter (G)	0.15	mag
Perihelion	2.5094	au
Aphelion	2.7326	au
Asc. node-Earth separation	1.51002	au
Desc. node-Earth separation	1.72887	au
Earth MOID	1.5075	au
Orbital period	1549.88	days
Date of orbit computation	apr 23 20:52

Correlation matrix
1.00000000	-0.34397179	0.01599582	0.00207397	-0.00781104	0.00469685
-0.34397179	1.00000000	0.01625566	-0.00054979	0.08286516	-0.09235249
0.01599582	0.01625566	1.00000000	-0.03770656	0.00836471	0.00326104
0.00207397	-0.00054979	-0.03770656	1.00000000	-0.31497789	-0.00372327
-0.00781104	0.08286516	0.00836471	-0.31497789	1.00000000	-0.94590746
0.00469685	-0.09235249	0.00326104	-0.00372327	-0.94590746	1.00000000

Covariance matrix
4.17609172E-16	-3.90294330E-16	1.83087865E-15	8.68301821E-16	-9.97798950E-15	5.73764593E-15
-3.90294330E-16	3.08296650E-15	5.05541505E-15	-6.25404171E-16	2.87610858E-13	-3.06531372E-13
1.83087865E-15	5.05541505E-15	3.13715391E-11	-4.32680177E-12	2.92865271E-12	1.09185612E-12
8.68301821E-16	-6.25404171E-16	-4.32680177E-12	4.19724585E-10	-4.03377046E-10	-4.55983382E-12
-9.97798950E-15	2.87610858E-13	2.92865271E-12	-4.03377046E-10	3.90748954E-09	-3.53459360E-09
5.73764593E-15	-3.06531372E-13	1.09185612E-12	-4.55983382E-12	-3.53459360E-09	3.57341819E-09