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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Astraea ∴ Orbital info ∴ Epoch epochXXX
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(5) Astraea  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 5.eq0)
Keplerian elements at epoch
53716.8 MJD
Value 1-σ variation Units
a 2.57321 3.159e-09 au
e 0.192895 2.929e-08
i 5.369 3.604e-06 deg
Ω 141.69 3.283e-05 deg
ω 357.53 3.362e-05 deg
M 198.453 7.648e-06 deg
Other useful info
Absolute Magnitude (H)    7.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0769 au
Aphelion 3.0696 au
Asc. node-Earth separation 1.09083 au
Desc. node-Earth separation 2.05688 au
Earth MOID 1.09077 au
Orbital period 1507.69 days
Date of orbit computation  apr 23 19:45
Correlation matrix
1.00000000-0.049169390.00269097-0.00292146-0.026841060.12182709
-0.049169391.00000000-0.011739860.020950990.02816847-0.23911760
0.00269097-0.011739861.000000000.16432075-0.15694153-0.02291989
-0.002921460.020950990.164320751.00000000-0.97042607-0.00242246
-0.026841060.02816847-0.15694153-0.970426071.00000000-0.22987481
0.12182709-0.23911760-0.02291989-0.00242246-0.229874811.00000000
Covariance matrix
9.98202510E-18-4.55055968E-183.06423453E-17-3.03046415E-16-2.85065930E-152.94378268E-15
-4.55055968E-188.58067298E-16-1.23944694E-152.01495569E-142.77370469E-14-5.35703871E-14
3.06423453E-17-1.23944694E-151.29899857E-111.94445075E-11-1.90142207E-11-6.31785215E-13
-3.03046415E-162.01495569E-141.94445075E-111.07795441E-09-1.07102339E-09-6.08287943E-13
-2.85065930E-152.77370469E-14-1.90142207E-11-1.07102339E-091.12998481E-09-5.90990168E-11
2.94378268E-15-5.35703871E-14-6.31785215E-13-6.08287943E-13-5.90990168E-115.84931660E-11