NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 2008HD2 ∴ Orbital info ∴ Epoch 60400 MJD

2008HD2 ▹

ORBITAL INFORMATION

◲

(ASCII data file 2008HD2.eq1)

Keplerian elements
(Epoch 60400.0 MJD)
	Value	1-σ variation	Units
a	1.46943	0.00591	au
e	0.446346	0.00192
i	2.971	0.03264	deg
Ω	40.187	0.5785	deg
ω	255.817	0.3422	deg
M	306.163	14.05	deg

Other useful info
Absolute Magnitude (H)	25.1	mag
Slope parameter (G)	0.15	mag
Perihelion distance	0.8136	au
Aphelion distance	2.1253	au
Asc. node-Earth separation	0.32915	au
Desc. node-Earth separation	0.0536	au
Earth MOID	0.00692	au
Orbital period	650.611	days
Date of orbit computation	feb 26 10:36

Covariance matrix
3.49250799E-05	1.13482226E-05	-1.92918745E-04	3.41865097E-03	-2.02236045E-03	-8.30346720E-02
1.13482226E-05	3.68739653E-06	-6.26845982E-05	1.11082355E-03	-6.57122553E-04	-2.69804975E-02
-1.92918745E-04	-6.26845982E-05	1.06567158E-03	-1.88839184E-02	1.11712685E-02	4.58665825E-01
3.41865097E-03	1.11082355E-03	-1.88839184E-02	3.34635593E-01	-1.97959404E-01	-8.12787146E+00
-2.02236045E-03	-6.57122553E-04	1.11712685E-02	-1.97959404E-01	1.17107361E-01	4.80817824E+00
-8.30346720E-02	-2.69804975E-02	4.58665825E-01	-8.12787146E+00	4.80817824E+00	1.97415633E+02

Correlation matrix
1.00000000	0.99999821	-0.99998626	0.99999999	-0.99999485	-1.00000000
0.99999821	1.00000000	-0.99997521	0.99999790	-0.99998700	-0.99999830
-0.99998626	-0.99997521	1.00000000	-0.99998701	0.99999701	0.99998600
0.99999999	0.99999790	-0.99998701	1.00000000	-0.99999534	-0.99999998
-0.99999485	-0.99998700	0.99999701	-0.99999534	1.00000000	0.99999468
-1.00000000	-0.99999830	0.99998600	-0.99999998	0.99999468	1.00000000