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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2002ER18 ∴ Orbital info ∴ Epoch epochXXX
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(660557) 2002ER18  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 660557.eq1)
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.15322 1.602e-08 au
e 0.178482 6.84e-08
i 2.228 7.043e-06 deg
Ω 327.846 0.0002226 deg
ω 308.164 0.0002234 deg
M 261.903 3.559e-05 deg
Other useful info
Absolute Magnitude (H)    18.4 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7689 au
Aphelion 2.5375 au
Asc. node-Earth separation 0.86645 au
Desc. node-Earth separation 1.355 au
Earth MOID 0.75342 au
Orbital period 1154.07 days
Date of orbit computation  apr 23 22:07
Correlation matrix
1.00000000-0.323986670.024044640.043966090.02388868-0.68672821
-0.323986671.00000000-0.01647786-0.02878852-0.029936770.46734385
0.02404464-0.016477861.000000000.30344819-0.30061125-0.01916353
0.04396609-0.028788520.303448191.00000000-0.98977843-0.04144619
0.02388868-0.02993677-0.30061125-0.989778431.00000000-0.09454773
-0.686728210.46734385-0.01916353-0.04144619-0.094547731.00000000
Covariance matrix
2.56648439E-16-3.55002291E-162.71302000E-151.56804413E-138.54896830E-14-3.91507902E-13
-3.55002291E-164.67809901E-15-7.93781204E-15-4.38354179E-13-4.57395592E-131.13751614E-12
2.71302000E-15-7.93781204E-154.96055953E-114.75796219E-10-4.72958292E-10-4.80316173E-12
1.56804413E-13-4.38354179E-134.75796219E-104.95612432E-08-4.92222382E-08-3.28353805E-10
8.54896830E-14-4.57395592E-13-4.72958292E-10-4.92222382E-084.99004605E-08-7.51605070E-10
-3.91507902E-131.13751614E-12-4.80316173E-12-3.28353805E-10-7.51605070E-101.26640512E-09