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AstDyS ∴ Objects ∴ 1990YR ∴ Orbital info ∴ Epoch epochXXX
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(21055) 1990YR  ▹ 
ORBITAL INFORMATION
(ASCII data file 21055.eq1)
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.78538 9.642e-09 au
e 0.183566 3.435e-08
i 7.339 3.985e-06 deg
Ω 29.304 2.573e-05 deg
ω 11.038 2.761e-05 deg
M 96.266 9.631e-06 deg
Other useful info
Absolute Magnitude (H)    13.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2741 au
Aphelion 3.2967 au
Asc. node-Earth separation 1.28634 au
Desc. node-Earth separation 2.27848 au
Earth MOID 1.28264 au
Orbital period 1697.95 days
Date of orbit computation  apr 23 19:50
Correlation matrix
1.00000000-0.15685300-0.003613530.00748040-0.02410666-0.24192455
-0.156853001.000000000.00042613-0.00073760-0.115956200.31325562
-0.003613530.000426131.00000000-0.209379290.19450374-0.00053298
0.00748040-0.00073760-0.209379291.00000000-0.92139821-0.00378858
-0.02410666-0.115956200.19450374-0.921398211.00000000-0.35720910
-0.241924550.31325562-0.00053298-0.00378858-0.357209101.00000000
Covariance matrix
9.29744737E-17-5.19531657E-17-1.38862062E-161.85618481E-15-6.41812438E-15-2.24660956E-14
-5.19531657E-171.17998002E-155.83379611E-17-6.52040011E-16-1.09981720E-131.03633938E-13
-1.38862062E-165.83379611E-171.58833014E-11-2.14742811E-112.14036352E-11-2.04574227E-14
1.85618481E-15-6.52040011E-16-2.14742811E-116.62260808E-10-6.54713187E-10-9.38981424E-13
-6.41812438E-15-1.09981720E-132.14036352E-11-6.54713187E-107.62392119E-10-9.49899166E-11
-2.24660956E-141.03633938E-13-2.04574227E-14-9.38981424E-13-9.49899166E-119.27537756E-11