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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1981EW12 ∴ Orbital info ∴ Epoch epochXXX
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(73656) 1981EW12  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 73656.eq1)
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.27708 7.2e-09 au
e 0.043099 3.128e-08
i 5.888 4.444e-06 deg
Ω 323.691 3.675e-05 deg
ω 322.297 6.986e-05 deg
M 88.391 6.03e-05 deg
Other useful info
Absolute Magnitude (H)    15.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1789 au
Aphelion 2.3752 au
Asc. node-Earth separation 1.18572 au
Desc. node-Earth separation 1.3662 au
Earth MOID 1.16575 au
Orbital period 1255.06 days
Date of orbit computation  apr 23 20:01
Correlation matrix
1.000000000.007510320.011205730.00676149-0.00074902-0.07025632
0.007510321.00000000-0.006687930.001879500.24564832-0.29084263
0.01120573-0.006687931.000000000.35768570-0.18720163-0.00118007
0.006761490.001879500.357685701.00000000-0.52046445-0.00260270
-0.000749020.24564832-0.18720163-0.520464451.00000000-0.84963125
-0.07025632-0.29084263-0.00118007-0.00260270-0.849631251.00000000
Covariance matrix
5.18391844E-171.69166591E-183.58558644E-161.78896286E-15-3.76740754E-16-3.05020282E-14
1.69166591E-189.78711072E-16-9.29843117E-162.16073037E-155.36859970E-13-5.48655230E-13
3.58558644E-16-9.29843117E-161.97506598E-115.84147281E-11-5.81193054E-11-3.16235976E-13
1.78896286E-152.16073037E-155.84147281E-111.35039234E-09-1.33610635E-09-5.76724512E-12
-3.76740754E-165.36859970E-13-5.81193054E-11-1.33610635E-094.88022624E-09-3.57902445E-09
-3.05020282E-14-5.48655230E-13-3.16235976E-13-5.76724512E-12-3.57902445E-093.63603808E-09