NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 1990UN ∴ Orbital info ∴ Epoch 48191 MJD

1990UN ▹

ORBITAL INFORMATION

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(ASCII data file 1990UN.eq0)

Keplerian elements
(Epoch 48191.1 MJD)
	Value	1-σ variation	Units
a	1.70987	0.02127	au
e	0.528065	0.006881
i	3.684	0.05201	deg
Ω	8.468	0.04463	deg
ω	97.002	0.02785	deg
M	336.343	0.5062	deg

Other useful info
Absolute Magnitude (H)	23.5	mag
Slope parameter (G)	0.15	mag
Perihelion distance	0.8069	au
Aphelion distance	2.6128	au
Asc. node-Earth separation	0.31649	au
Desc. node-Earth separation	0.16061	au
Earth MOID	0.02194	au
Orbital period	816.664	days
Date of orbit computation	feb 26 10:21

Covariance matrix
4.52429641E-04	1.46352970E-04	1.10612857E-03	9.46836723E-04	-5.90389891E-04	1.07668522E-02
1.46352970E-04	4.73426110E-05	3.57815485E-04	3.06297799E-04	-1.90988393E-04	3.48288484E-03
1.10612857E-03	3.57815485E-04	2.70470789E-03	2.31687558E-03	-1.44473841E-03	2.63233479E-02
9.46836723E-04	3.06297799E-04	2.31687558E-03	1.99222686E-03	-1.24278114E-03	2.25319917E-02
-5.90389891E-04	-1.90988393E-04	-1.44473841E-03	-1.24278114E-03	7.75551952E-04	-1.40495934E-02
1.07668522E-02	3.48288484E-03	2.63233479E-02	2.25319917E-02	-1.40495934E-02	2.56227972E-01

Correlation matrix
1.00000000	0.99999980	0.99993070	0.99731000	-0.99668504	0.99999990
0.99999980	1.00000000	0.99993747	0.99735180	-0.99672516	0.99999941
0.99993070	0.99993747	1.00000000	0.99809788	-0.99752454	0.99992556
0.99731000	0.99735180	0.99809788	1.00000000	-0.99981537	0.99727956
-0.99668504	-0.99672516	-0.99752454	-0.99981537	1.00000000	-0.99665544
0.99999990	0.99999941	0.99992556	0.99727956	-0.99665544	1.00000000