NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2012US18 ∴ Orbital info ∴ Epoch 60600 MJD
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2012US18  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2012US18.eq1)
Keplerian elements
(Epoch 60600.0 MJD)
Value 1-σ variation Units
a 1.19522 0.0001708 au
e 0.355658 0.000905
i 3.548 0.001894 deg
Ω 205.356 0.05349 deg
ω 266.247 0.2148 deg
M 21.062 3.16 deg
Other useful info
Absolute Magnitude (H)    28.6 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.7701 au
Aphelion distance 1.6203 au
Asc. node-Earth separation 0.06768 au
Desc. node-Earth separation 0.02398 au
Earth MOID 0.00441 au
Orbital period 477.278 days
Date of orbit computation   Jul 29 11:26

Covariance matrix
2.91731445E-081.54574967E-073.20597024E-079.13642177E-06-3.66858196E-05-5.39761477E-04
1.54574967E-078.19022724E-071.69892689E-064.84096140E-05-1.94380333E-04-2.85994187E-03
3.20597024E-071.69892689E-063.58821341E-061.00402327E-04-4.03037242E-04-5.93115424E-03
9.13642177E-064.84096140E-051.00402327E-042.86133966E-03-1.14892596E-02-1.69042186E-01
-3.66858196E-05-1.94380333E-04-4.03037242E-04-1.14892596E-024.61335707E-026.78762957E-01
-5.39761477E-04-2.85994187E-03-5.93115424E-03-1.69042186E-016.78762957E-019.98667568E+00

Correlation matrix
1.000000000.999999000.990897500.99999957-0.99999556-0.99999952
0.999999001.000000000.991031780.99999755-0.99999035-0.99999714
0.990897500.991031781.000000000.99087744-0.99059815-0.99080825
0.999999570.999997550.990877441.00000000-0.99999724-0.99999982
-0.99999556-0.99999035-0.99059815-0.999997241.000000000.99999798
-0.99999952-0.99999714-0.99080825-0.999999820.999997981.00000000