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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999XW57 ∴ Orbital info ∴ Epoch epochXXX
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(164921) 1999XW57  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 164921.eq0)
Keplerian elements at epoch
58173.1 MJD
Value 1-σ variation Units
a 2.57065 1.336e-08 au
e 0.201238 5.19e-08
i 13.307 4.182e-06 deg
Ω 78.635 3.879e-05 deg
ω 13.089 4.554e-05 deg
M 137.94 2.367e-05 deg
Other useful info
Absolute Magnitude (H)    16.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0533 au
Aphelion 3.088 au
Asc. node-Earth separation 1.07735 au
Desc. node-Earth separation 2.05336 au
Earth MOID 1.07127 au
Orbital period 1505.44 days
Date of orbit computation  apr 23 20:24
Correlation matrix
1.000000000.46335440-0.013638850.01889220-0.02385980-0.04075054
0.463354401.00000000-0.062132110.039036680.13827686-0.38150612
-0.01363885-0.062132111.000000000.22075953-0.244607820.10678619
0.018892200.039036680.220759531.00000000-0.79466847-0.05909265
-0.023859800.13827686-0.24460782-0.794668471.00000000-0.54996757
-0.04075054-0.381506120.10678619-0.05909265-0.549967571.00000000
Covariance matrix
1.78515358E-163.21320965E-16-7.62153249E-169.79102882E-15-1.45187518E-14-1.28884370E-14
3.21320965E-162.69386574E-15-1.34874862E-147.85902874E-143.26860351E-13-4.68725545E-13
-7.62153249E-16-1.34874862E-141.74925780E-113.58141256E-11-4.65931426E-111.05723404E-11
9.79102882E-157.85902874E-143.58141256E-111.50458239E-09-1.40384361E-09-5.42588546E-11
-1.45187518E-143.26860351E-13-4.65931426E-11-1.40384361E-092.07419471E-09-5.92913020E-10
-1.28884370E-14-4.68725545E-131.05723404E-11-5.42588546E-11-5.92913020E-105.60348591E-10