NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 2009DA1 ∴ Orbital info ∴ Epoch 60400 MJD

2009DA1 ▹

ORBITAL INFORMATION

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(ASCII data file 2009DA1.eq1)

Keplerian elements
(Epoch 60400.0 MJD)
	Value	1-σ variation	Units
a	2.56374	0.04224	au
e	0.699651	0.001935
i	5.94	0.008705	deg
Ω	150.513	0.281	deg
ω	279.076	0.3909	deg
M	259.609	27.12	deg

Other useful info
Absolute Magnitude (H)	22.4	mag
Slope parameter (G)	0.15	mag
Perihelion distance	0.77	au
Aphelion distance	4.3575	au
Asc. node-Earth separation	0.19019	au
Desc. node-Earth separation	0.46073	au
Earth MOID	0.03246	au
Orbital period	1499.37	days
Date of orbit computation	feb 26 10:41

Covariance matrix
1.78404290E-03	-8.17400849E-05	3.66692680E-04	1.18673805E-02	-1.65115475E-02	-1.14550886E+00
-8.17400849E-05	3.74513824E-06	-1.68039611E-05	-5.43734109E-04	7.56519044E-04	5.24841563E-02
3.66692680E-04	-1.68039611E-05	7.57803316E-05	2.43953846E-03	-3.39436498E-03	-2.35447779E-01
1.18673805E-02	-5.43734109E-04	2.43953846E-03	7.89415798E-02	-1.09834608E-01	-7.61987780E+00
-1.65115475E-02	7.56519044E-04	-3.39436498E-03	-1.09834608E-01	1.52817519E-01	1.06018317E+01
-1.14550886E+00	5.24841563E-02	-2.35447779E-01	-7.61987780E+00	1.06018317E+01	7.35515134E+02

Correlation matrix
1.00000000	-0.99999657	0.99728972	0.99999842	-0.99999669	-1.00000000
-0.99999657	1.00000000	-0.99746919	-0.99999941	0.99999854	0.99999652
0.99728972	-0.99746919	1.00000000	0.99741642	-0.99745593	-0.99728788
0.99999842	-0.99999941	0.99741642	1.00000000	-0.99999936	-0.99999837
-0.99999669	0.99999854	-0.99745593	-0.99999936	1.00000000	0.99999661
-1.00000000	0.99999652	-0.99728788	-0.99999837	0.99999661	1.00000000