AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2011HW21 ∴ Orbital info ∴ Epoch epochXXX
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(389607) 2011HW21  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 389607.eq1)
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.35831 1.845e-08 au
e 0.102501 6.139e-08
i 10.843 7.42e-06 deg
Ω 61.152 3.212e-05 deg
ω 202.667 4.714e-05 deg
M 167.18 3.527e-05 deg
Other useful info
Absolute Magnitude (H)    17.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1166 au
Aphelion 2.6 au
Asc. node-Earth separation 1.59062 au
Desc. node-Earth separation 1.11949 au
Earth MOID 1.10524 au
Orbital period 1322.82 days
Date of orbit computation  Jun 5 02:00
Correlation matrix
1.000000000.22236704-0.00846037-0.01133451-0.00156558-0.24243879
0.222367041.00000000-0.01651360-0.01281282-0.166078220.14465692
-0.00846037-0.016513601.00000000-0.198119860.129399170.00945982
-0.01133451-0.01281282-0.198119861.00000000-0.65306964-0.01498970
-0.00156558-0.166078220.12939917-0.653069641.00000000-0.71602160
-0.242438790.144656920.00945982-0.01498970-0.716021601.00000000
Covariance matrix
3.40563714E-162.51934784E-16-1.15856546E-15-6.71822448E-15-1.36198800E-15-1.57804046E-13
2.51934784E-163.76909488E-15-7.52301959E-15-2.52647931E-14-4.80651641E-133.13238105E-13
-1.15856546E-15-7.52301959E-155.50635129E-11-4.72185335E-114.52650146E-112.47589115E-12
-6.71822448E-15-2.52647931E-14-4.72185335E-111.03158503E-09-9.88806283E-10-1.69809634E-11
-1.36198800E-15-4.80651641E-134.52650146E-11-9.88806283E-102.22227814E-09-1.19053502E-09
-1.57804046E-133.13238105E-132.47589115E-12-1.69809634E-11-1.19053502E-091.24403811E-09