NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021ER1 ∴ Orbital info ∴ Epoch 59289 MJD
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2021ER1  ▹ 
ORBITAL INFORMATION
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(ASCII data file 2021ER1.eq0)
Keplerian elements
(Epoch 59289.3 MJD)
Value 1-σ variation Units
a 1.74825 0.0003018 au
e 0.360394 9.505e-05
i 8.792 0.001928 deg
Ω 349.098 8.543e-05 deg
ω 219.829 0.0004629 deg
M 344.376 0.003734 deg
Other useful info
Absolute Magnitude (H)    24.4 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.1182 au
Aphelion distance 2.3783 au
Asc. node-Earth separation 1.09535 au
Desc. node-Earth separation 0.19838 au
Earth MOID 0.14516 au
Orbital period 844.313 days
Date of orbit computation   Jul 29 13:19

Covariance matrix
9.10879175E-082.86856118E-085.81640016E-07-2.37505678E-088.42319146E-081.12624839E-06
2.86856118E-089.03449160E-091.83116079E-07-7.47580078E-092.68351605E-083.54561117E-07
5.81640016E-071.83116079E-073.71871814E-06-1.51596410E-075.15955968E-077.19988240E-06
-2.37505678E-08-7.47580078E-09-1.51596410E-077.29880745E-09-2.15353135E-08-2.94238699E-07
8.42319146E-082.68351605E-085.15955968E-07-2.15353135E-082.14312806E-079.88179692E-07
1.12624839E-063.54561117E-077.19988240E-06-2.94238699E-079.88179692E-071.39464650E-05

Correlation matrix
1.000000000.999958260.99937219-0.921123060.602867990.99924440
0.999958261.000000000.99902876-0.920618940.609857370.99886588
0.999372190.999028761.00000000-0.920166320.577952240.99976217
-0.92112306-0.92061894-0.920166321.00000000-0.54450414-0.92223536
0.602867990.609857370.57795224-0.544504141.000000000.57158364
0.999244400.998865880.99976217-0.922235360.571583641.00000000