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AstDyS ∴ Objects ∴ 1999AR4 ∴ Orbital info ∴ Epoch epochXXX
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(27161) 1999AR4  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 27161.eq0)
Keplerian elements at epoch
57568.5 MJD
Value 1-σ variation Units
a 2.71388 9.006e-09 au
e 0.197037 3.366e-08
i 9.304 3.465e-06 deg
Ω 109.594 2.27e-05 deg
ω 330.173 2.488e-05 deg
M 359.401 9.129e-06 deg
Other useful info
Absolute Magnitude (H)    14.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1791 au
Aphelion 3.2486 au
Asc. node-Earth separation 1.24366 au
Desc. node-Earth separation 2.12973 au
Earth MOID 1.19934 au
Orbital period 1633 days
Date of orbit computation  apr 23 19:51
Correlation matrix
1.000000000.109790440.00347540-0.00742658-0.049599860.13185889
0.109790441.00000000-0.00412387-0.01197145-0.102320190.20025359
0.00347540-0.004123871.00000000-0.064682820.06007777-0.00070222
-0.00742658-0.01197145-0.064682821.00000000-0.89661972-0.00743623
-0.04959986-0.102320190.06007777-0.896619721.00000000-0.42254341
0.131858890.20025359-0.00070222-0.00743623-0.422543411.00000000
Covariance matrix
8.11105155E-173.32862444E-171.08451752E-16-1.51845082E-15-1.11124846E-141.08411557E-14
3.32862444E-171.13324397E-15-4.81016433E-16-9.14917025E-15-8.56870480E-146.15417168E-14
1.08451752E-16-4.81016433E-161.20056982E-11-5.08810398E-125.17844842E-12-2.22122916E-14
-1.51845082E-15-9.14917025E-15-5.08810398E-125.15402691E-10-5.06376740E-10-1.54118217E-12
-1.11124846E-14-8.56870480E-145.17844842E-12-5.06376740E-106.18848353E-10-9.59601764E-11
1.08411557E-146.15417168E-14-2.22122916E-14-1.54118217E-12-9.59601764E-118.33403194E-11