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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.eq1)
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.5686 1.276e-08 au
e 0.203257 5.186e-08
i 13.315 4.188e-06 deg
Ω 78.615 3.877e-05 deg
ω 12.802 4.534e-05 deg
M 311.476 2.41e-05 deg
Other useful info
Absolute Magnitude (H)    16.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0465 au
Aphelion 3.0907 au
Asc. node-Earth separation 1.07118 au
Desc. node-Earth separation 2.05591 au
Earth MOID 1.06531 au
Orbital period 1503.64 days
Date of orbit computation  apr 23 20:24
Correlation matrix
1.000000000.44515724-0.020463510.035376630.03009903-0.30772616
0.445157241.00000000-0.061044000.036058890.13101936-0.43762397
-0.02046351-0.061044001.000000000.22263701-0.247038470.10687002
0.035376630.036058890.222637011.00000000-0.79833191-0.06250220
0.030099030.13101936-0.24703847-0.798331911.00000000-0.52829865
-0.30772616-0.437623970.10687002-0.06250220-0.528298651.00000000
Covariance matrix
1.62888112E-162.94640367E-16-1.09371166E-151.75052641E-141.74168942E-14-9.46526202E-14
2.94640367E-162.68947939E-15-1.32573033E-147.25026647E-143.08065496E-13-5.46963991E-13
-1.09371166E-15-1.32573033E-141.75370375E-113.61478965E-11-4.69046815E-111.07859287E-11
1.75052641E-147.25026647E-143.61478965E-111.50319419E-09-1.40334521E-09-5.84018210E-11
1.74168942E-143.08065496E-13-4.69046815E-11-1.40334521E-092.05563954E-09-5.77266699E-10
-9.46526202E-14-5.46963991E-131.07859287E-11-5.84018210E-11-5.77266699E-105.80827331E-10