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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001KW21 ∴ Orbital info ∴ Epoch epochXXX
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(171843) 2001KW21  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 171843.eq0)
Keplerian elements at epoch
58006.1 MJD
Value 1-σ variation Units
a 2.56935 1.491e-08 au
e 0.080615 7.232e-08
i 12.247 4.535e-06 deg
Ω 57.531 2.538e-05 deg
ω 143.657 3.767e-05 deg
M 15.613 2.829e-05 deg
Other useful info
Absolute Magnitude (H)    15.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3622 au
Aphelion 2.7765 au
Asc. node-Earth separation 1.74192 au
Desc. node-Earth separation 1.38651 au
Earth MOID 1.36807 au
Orbital period 1504.3 days
Date of orbit computation  apr 23 20:25
Correlation matrix
1.00000000-0.323356650.025477490.003928400.00404832-0.05521914
-0.323356651.00000000-0.082979910.00248199-0.064108760.21190594
0.02547749-0.082979911.00000000-0.293645580.21190755-0.03292889
0.003928400.00248199-0.293645581.00000000-0.63449791-0.02744536
0.00404832-0.064108760.21190755-0.634497911.00000000-0.74317307
-0.055219140.21190594-0.03292889-0.02744536-0.743173071.00000000
Covariance matrix
2.22254491E-16-3.48639165E-161.72254041E-151.48624942E-152.27355977E-15-2.32877262E-14
-3.48639165E-165.23043995E-15-2.72163281E-144.55533318E-15-1.74659537E-134.33535227E-13
1.72254041E-15-2.72163281E-142.05671879E-11-3.37956864E-113.62025941E-11-4.22451291E-12
1.48624942E-154.55533318E-15-3.37956864E-116.44021979E-10-6.06577563E-10-1.97029563E-11
2.27355977E-15-1.74659537E-133.62025941E-11-6.06577563E-101.41909542E-09-7.91968492E-10
-2.32877262E-144.33535227E-13-4.22451291E-12-1.97029563E-11-7.91968492E-108.00247423E-10