NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021ET4 ∴ Orbital info ∴ Epoch 59290 MJD
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2021ET4  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2021ET4.eq0)
Keplerian elements
(Epoch 59290.5 MJD)
Value 1-σ variation Units
a 2.02454 0.0006435 au
e 0.515621 0.0001544
i 11.004 0.002348 deg
Ω 359.513 8.15e-05 deg
ω 153.224 0.0004038 deg
M 6.721 0.003677 deg
Other useful info
Absolute Magnitude (H)    24.2 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.9806 au
Aphelion distance 3.0684 au
Asc. node-Earth separation 1.74929 au
Desc. node-Earth separation 0.02191 au
Earth MOID 0.01783 au
Orbital period 1052.17 days
Date of orbit computation   feb 26 12:15

Covariance matrix
4.14139604E-079.93481098E-081.51073841E-065.24116545E-082.58209588E-07-2.36623167E-06
9.93481098E-082.38326595E-083.62411354E-071.25730617E-086.19395359E-08-5.67635585E-07
1.51073841E-063.62411354E-075.51117999E-061.91171692E-079.42121549E-07-8.63181498E-06
5.24116545E-081.25730617E-081.91171692E-076.64154124E-093.26593151E-08-2.99456975E-07
2.58209588E-076.19395359E-089.42121549E-073.26593151E-081.63025475E-07-1.47584048E-06
-2.36623167E-06-5.67635585E-07-8.63181498E-06-2.99456975E-07-1.47584048E-061.35198616E-05

Correlation matrix
1.000000000.999999940.999985240.999355600.99373651-0.99999484
0.999999941.000000000.999984440.999356300.99369695-0.99999364
0.999985240.999984441.000000000.999233190.99393253-0.99998550
0.999355600.999356300.999233191.000000000.99253287-0.99934139
0.993736510.993696950.993932530.992532871.00000000-0.99408966
-0.99999484-0.99999364-0.99998550-0.99934139-0.994089661.00000000