NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2012QA18 ∴ Orbital info ∴ Epoch 56164 MJD
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2012QA18  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2012QA18.eq0)
Keplerian elements
(Epoch 56164.9 MJD)
Value 1-σ variation Units
a 1.66442 0.004549 au
e 0.365151 0.00165
i 22.642 0.05425 deg
Ω 151.447 0.0004507 deg
ω 154.087 0.0272 deg
M 12.033 0.06204 deg
Other useful info
Absolute Magnitude (H)    23.8 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.0567 au
Aphelion distance 2.2722 au
Asc. node-Earth separation 1.15975 au
Desc. node-Earth separation 0.07493 au
Earth MOID 0.07107 au
Orbital period 784.318 days
Date of orbit computation   Jul 29 11:56

Covariance matrix
2.06955777E-057.50264310E-062.46802065E-04-2.02903712E-068.23457886E-05-2.79709219E-04
7.50264310E-062.72094265E-068.94641672E-05-7.33554636E-072.91933044E-05-1.01133206E-04
2.46802065E-048.94641672E-052.94348157E-03-2.42081141E-059.86437772E-04-3.33742354E-03
-2.02903712E-06-7.33554636E-07-2.42081141E-052.03141473E-07-9.33375220E-062.79357649E-05
8.23457886E-052.91933044E-059.86437772E-04-9.33375220E-067.39860081E-04-1.28064997E-03
-2.79709219E-04-1.01133206E-04-3.33742354E-032.79357649E-05-1.28064997E-033.84862156E-03

Correlation matrix
1.000000000.999806180.99995246-0.989582290.66546898-0.99109526
0.999806181.000000000.99967486-0.986673520.65065199-0.98828335
0.999952460.999674861.00000000-0.989990430.66844278-0.99158069
-0.98958229-0.98667352-0.989990431.00000000-0.761346170.99909932
0.665468980.650651990.66844278-0.761346171.00000000-0.75893231
-0.99109526-0.98828335-0.991580690.99909932-0.758932311.00000000