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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009FR31 ∴ Orbital info ∴ Epoch epochXXX
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(389246) 2009FR31  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 389246.eq0)
Keplerian elements at epoch
58030.5 MJD
Value 1-σ variation Units
a 1.91868 1.265e-08 au
e 0.136914 5.875e-08
i 22.542 6.374e-06 deg
Ω 162.386 1.608e-05 deg
ω 284.118 2.885e-05 deg
M 165.124 2.491e-05 deg
Other useful info
Absolute Magnitude (H)    17.9 mag
Slope parameter (G)    0.15 mag
Perihelion 1.656 au
Aphelion 2.1814 au
Asc. node-Earth separation 0.83221 au
Desc. node-Earth separation 0.93958 au
Earth MOID 0.77611 au
Orbital period 970.741 days
Date of orbit computation  apr 23 21:12
Correlation matrix
1.00000000-0.18996220-0.002035580.003253760.26484190-0.34156262
-0.189962201.000000000.03521321-0.03451361-0.076454150.09909948
-0.002035580.035213211.000000000.03593544-0.046598730.03498791
0.00325376-0.034513610.035935441.00000000-0.51447078-0.00039209
0.26484190-0.07645415-0.04659873-0.514470781.00000000-0.84167370
-0.341562620.099099480.03498791-0.00039209-0.841673701.00000000
Covariance matrix
1.60054740E-16-1.41191872E-16-1.64156741E-166.62025349E-169.66485199E-14-1.07662122E-13
-1.41191872E-163.45156838E-151.31871051E-14-3.26102109E-14-1.29563754E-131.45056761E-13
-1.64156741E-161.31871051E-144.06322813E-113.68394873E-12-8.56808897E-125.55663630E-12
6.62025349E-16-3.26102109E-143.68394873E-122.58648505E-10-2.38665666E-10-1.57106433E-13
9.66485199E-14-1.29563754E-13-8.56808897E-12-2.38665666E-108.32048203E-10-6.04889903E-10
-1.07662122E-131.45056761E-135.55663630E-12-1.57106433E-13-6.04889903E-106.20749921E-10