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	0.469221	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	1.54687	au
Desc. node-Earth separation	0.04484	au
Earth MOID	0.02872	au
Orbital period	951.151	days
Date of orbit computation	feb 26 10:37

Covariance matrix
1.72661801E-05	4.75133556E-06	3.51800224E-05	1.75620013E-06	1.54755669E-06	-9.23662727E-05
4.75133556E-06	1.30748057E-06	9.68088551E-06	4.83248090E-07	4.25642258E-07	-2.54174256E-05
3.51800224E-05	9.68088551E-06	7.16817335E-05	3.57631248E-06	3.16216509E-06	-1.88199441E-04
1.75620013E-06	4.83248090E-07	3.57631248E-06	1.86603499E-07	1.69135948E-07	-9.40101736E-06
1.54755669E-06	4.25642258E-07	3.16216509E-06	1.69135948E-07	3.00092068E-07	-8.33274251E-06
-9.23662727E-05	-2.54174256E-05	-1.88199441E-04	-9.40101736E-06	-8.33274251E-06	4.94136646E-04

Correlation matrix
1.00000000	0.99999988	0.99998556	0.97839895	0.67986264	-0.99998101
0.99999988	1.00000000	0.99998437	0.97834636	0.67951627	-0.99997791
0.99998556	0.99998437	1.00000000	0.97784792	0.68179378	-0.99997823
0.97839895	0.97834636	0.97784792	1.00000000	0.71474113	-0.97901970
0.67986264	0.67951627	0.68179378	0.71474113	1.00000000	-0.68428524
-0.99998101	-0.99997791	-0.99997823	-0.97901970	-0.68428524	1.00000000