NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1990UN ∴ Orbital info ∴ Epoch 60200 MJD
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1990UN  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 1990UN.eq1)
Keplerian elements
(Epoch 60200.0 MJD)
Value 1-σ variation Units
a 1.70962 0.006289 au
e 0.527809 0.002535
i 3.669 0.02265 deg
Ω 7.748 0.5173 deg
ω 97.821 0.2363 deg
M 228.681 93.63 deg
Other useful info
Absolute Magnitude (H)    23.5 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.8073 au
Aphelion distance 2.612 au
Asc. node-Earth separation 0.32752 au
Desc. node-Earth separation 0.15096 au
Earth MOID 0.02075 au
Orbital period 816.482 days
Date of orbit computation   ott 4 10:45

Covariance matrix
3.95454788E-051.59404907E-051.42379811E-04-3.25290909E-03-1.48560859E-03-5.88787463E-01
1.59404907E-056.42551329E-065.73947388E-05-1.31121056E-03-5.98845696E-04-2.37335877E-01
1.42379811E-045.73947388E-055.12999806E-04-1.17097743E-02-5.35013054E-03-2.11987374E+00
-3.25290909E-03-1.31121056E-03-1.17097743E-022.67586971E-011.22194883E-014.84321416E+01
-1.48560859E-03-5.98845696E-04-5.35013054E-031.22194883E-015.58152732E-022.21190301E+01
-5.88787463E-01-2.37335877E-01-2.11987374E+004.84321416E+012.21190301E+018.76637956E+03

Correlation matrix
1.000000000.999998510.99963486-0.99997934-0.99995270-1.00000000
0.999998511.000000000.99967670-0.99996787-0.99996429-0.99999849
0.999634860.999676701.00000000-0.99944165-0.99983711-0.99963455
-0.99997934-0.99996787-0.999441651.000000000.999871090.99997941
-0.99995270-0.99996429-0.999837110.999871091.000000000.99995261
-1.00000000-0.99999849-0.999634550.999979410.999952611.00000000