NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2018ER4 ∴ Orbital info ∴ Epoch 58219 MJD
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2018ER4  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2018ER4.eq0)
Keplerian elements
(Epoch 58219.1 MJD)
Value 1-σ variation Units
a 1.9004 0.000111 au
e 0.464514 3.089e-05
i 2.33 0.0001204 deg
Ω 0.251 0.0005516 deg
ω 220.318 0.0004682 deg
M 350.08 0.0007881 deg
Other useful info
Absolute Magnitude (H)    22.2 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.0176 au
Aphelion distance 2.7832 au
Asc. node-Earth separation 1.30345 au
Desc. node-Earth separation 0.10449 au
Earth MOID 0.02681 au
Orbital period 956.895 days
Date of orbit computation   Jul 29 12:09

Covariance matrix
1.23202096E-083.42816736E-091.33403974E-08-5.94398289E-084.97353433E-088.74669135E-08
3.42816736E-099.53908029E-103.71196147E-09-1.65394680E-081.38394204E-082.43380801E-08
1.33403974E-083.71196147E-091.44912977E-08-6.40419575E-085.35115119E-089.47119263E-08
-5.94398289E-08-1.65394680E-08-6.40419575E-083.04227257E-07-2.57640494E-07-4.21861031E-07
4.97353433E-081.38394204E-085.35115119E-08-2.57640494E-072.19207584E-073.52781804E-07
8.74669135E-082.43380801E-089.47119263E-08-4.21861031E-073.52781804E-076.21039114E-07

Correlation matrix
1.000000000.999999340.99840346-0.970888690.957036020.99994307
0.999999341.000000000.99838160-0.970888200.957054930.99993919
0.998403460.998381601.00000000-0.964521470.949436220.99837007
-0.97088869-0.97088820-0.964521471.00000000-0.99767083-0.97053426
0.957036020.957054930.94943622-0.997670831.000000000.95613433
0.999943070.999939190.99837007-0.970534260.956134331.00000000