AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009HN21 ∴ Orbital info ∴ Epoch epochXXX
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2009HN21  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2009HN21.eq0)
Keplerian elements at epoch
58273.8 MJD
Value 1-σ variation Units
a 1.90428 1.298e-08 au
e 0.019191 1.769e-07
i 21.972 1.549e-05 deg
Ω 23.831 1.781e-05 deg
ω 165.336 0.0001719 deg
M 184.673 0.0001696 deg
Other useful info
Absolute Magnitude (H)    18.2 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8677 au
Aphelion 1.9408 au
Asc. node-Earth separation 0.94319 au
Desc. node-Earth separation 0.86638 au
Earth MOID 0.86625 au
Orbital period 959.828 days
Date of orbit computation  Jul 26 18:07
Correlation matrix
1.00000000-0.564921760.023678620.03453804-0.018304490.00176207
-0.564921761.00000000-0.06319657-0.091238100.15524256-0.12513590
0.02367862-0.063196571.00000000-0.333288560.016243110.01430024
0.03453804-0.09123810-0.333288561.00000000-0.08146011-0.01434073
-0.018304490.155242560.01624311-0.081460111.00000000-0.99457037
0.00176207-0.125135900.01430024-0.01434073-0.994570371.00000000
Covariance matrix
1.68526860E-16-1.29741883E-154.76177589E-157.98469035E-15-4.08521911E-143.87889922E-15
-1.29741883E-153.12978611E-14-1.73192406E-13-2.87448038E-134.72162150E-12-3.75396698E-12
4.76177589E-15-1.73192406E-132.39969446E-10-9.19441653E-114.32583687E-113.75640693E-11
7.98469035E-15-2.87448038E-13-9.19441653E-113.17140410E-10-2.49398493E-10-4.33060119E-11
-4.08521911E-144.72162150E-124.32583687E-11-2.49398493E-102.95560312E-08-2.89941103E-08
3.87889922E-15-3.75396698E-123.75640693E-11-4.33060119E-11-2.89941103E-082.87542754E-08