NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 2009ER ∴ Orbital info ∴ Epoch 54893 MJD

2009ER ▹

ORBITAL INFORMATION

◲

(ASCII data file 2009ER.eq0)

Keplerian elements
(Epoch 54893.9 MJD)
	Value	1-σ variation	Units
a	1.89278	0.004155	au
e	0.469219	0.001143
i	4.447	0.008467	deg
Ω	350.134	0.000432	deg
ω	154.049	0.0005478	deg
M	5.973	0.02223	deg

Other useful info
Absolute Magnitude (H)	25.0	mag
Slope parameter (G)	0.15	mag
Perihelion distance	1.0046	au
Aphelion distance	2.7809	au
Asc. node-Earth separation	1.54686	au
Desc. node-Earth separation	0.04484	au
Earth MOID	0.02872	au
Orbital period	951.145	days
Date of orbit computation	Jul 29 11:19

Covariance matrix
1.72663554E-05	4.75138378E-06	3.51803798E-05	1.75622997E-06	1.54759210E-06	-9.23672414E-05
4.75138378E-06	1.30749384E-06	9.68098385E-06	4.83256301E-07	4.25652001E-07	-2.54176921E-05
3.51803798E-05	9.68098385E-06	7.16824624E-05	3.57637331E-06	3.16223731E-06	-1.88201416E-04
1.75622997E-06	4.83256301E-07	3.57637331E-06	1.86607809E-07	1.69140723E-07	-9.40118029E-06
1.54759210E-06	4.25652001E-07	3.16223731E-06	1.69140723E-07	3.00098378E-07	-8.33293569E-06
-9.23672414E-05	-2.54176921E-05	-1.88201416E-04	-9.40118029E-06	-8.33293569E-06	4.94141996E-04

Correlation matrix
1.00000000	0.99999988	0.99998556	0.97839932	0.67986759	-0.99998101
0.99999988	1.00000000	0.99998437	0.97834672	0.67952123	-0.99997791
0.99998556	0.99998437	1.00000000	0.97784829	0.68179871	-0.99997823
0.97839932	0.97834672	0.97784829	1.00000000	0.71474554	-0.97902006
0.67986759	0.67952123	0.68179871	0.71474554	1.00000000	-0.68429021
-0.99998101	-0.99997791	-0.99997823	-0.97902006	-0.68429021	1.00000000