NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021ER3 ∴ Orbital info ∴ Epoch 60600 MJD
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2021ER3  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2021ER3.eq1)
Keplerian elements
(Epoch 60600.0 MJD)
Value 1-σ variation Units
a 1.94611 0.0008222 au
e 0.559783 0.0002031
i 2.702 0.0007575 deg
Ω 163.018 0.0003711 deg
ω 313.463 0.0001904 deg
M 131.964 0.3133 deg
Other useful info
Absolute Magnitude (H)    26.0 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.8567 au
Aphelion distance 3.0355 au
Asc. node-Earth separation -0.02522 au
Desc. node-Earth separation 1.16625 au
Earth MOID 0.00403 au
Orbital period 991.63 days
Date of orbit computation   Jul 29 13:01

Covariance matrix
6.75982086E-071.66971226E-076.22445537E-07-2.93521329E-07-5.94549146E-08-2.57549990E-04
1.66971226E-074.12428794E-081.53752086E-07-7.24822645E-08-1.47324276E-08-6.36162338E-05
6.22445537E-071.53752086E-075.73840339E-07-2.67707120E-07-5.87736482E-08-2.37152259E-04
-2.93521329E-07-7.24822645E-08-2.67707120E-071.37696361E-079.72211271E-091.11832930E-04
-5.94549146E-08-1.47324276E-08-5.87736482E-089.72211271E-093.62384427E-082.26498873E-05
-2.57549990E-04-6.36162338E-05-2.37152259E-041.11832930E-042.26498873E-059.81268572E-02

Correlation matrix
1.000000000.999998970.99939743-0.96207923-0.37987036-1.00000000
0.999998971.000000000.99942680-0.96182494-0.38107904-0.99999890
0.999397430.999426801.00000000-0.95236440-0.40757013-0.99939641
-0.96207923-0.96182494-0.952364401.000000000.137630490.96208740
-0.37987036-0.38107904-0.407570130.137630491.000000000.37982832
-1.00000000-0.99999890-0.999396410.962087400.379828321.00000000