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	ott 4 10:45

Covariance matrix
4.52424355E-04	1.46351260E-04	1.10611565E-03	9.46825659E-04	-5.90382993E-04	1.07667264E-02
1.46351260E-04	4.73420579E-05	3.57811304E-04	3.06294220E-04	-1.90986161E-04	3.48284415E-03
1.10611565E-03	3.57811304E-04	2.70467630E-03	2.31684853E-03	-1.44472154E-03	2.63230404E-02
9.46825659E-04	3.06294220E-04	2.31684853E-03	1.99220370E-03	-1.24276670E-03	2.25317284E-02
-5.90382993E-04	-1.90986161E-04	-1.44472154E-03	-1.24276670E-03	7.75542948E-04	-1.40494292E-02
1.07667264E-02	3.48284415E-03	2.63230404E-02	2.25317284E-02	-1.40494292E-02	2.56224978E-01

Correlation matrix
1.00000000	0.99999980	0.99993070	0.99730997	-0.99668500	0.99999990
0.99999980	1.00000000	0.99993747	0.99735177	-0.99672513	0.99999941
0.99993070	0.99993747	1.00000000	0.99809786	-0.99752451	0.99992556
0.99730997	0.99735177	0.99809786	1.00000000	-0.99981537	0.99727953
-0.99668500	-0.99672513	-0.99752451	-0.99981537	1.00000000	-0.99665540
0.99999990	0.99999941	0.99992556	0.99727953	-0.99665540	1.00000000