NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021AB4 ∴ Orbital info ∴ Epoch 60400 MJD
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2021AB4  ▹ 
ORBITAL INFORMATION
(ASCII data file 2021AB4.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.32003 0.0001435 au
e 0.290298 8.952e-05
i 2.992 0.00088 deg
Ω 287.617 0.0003806 deg
ω 140.996 0.001885 deg
M 67.402 0.1372 deg
Other useful info
Absolute Magnitude (H)    26.8 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.9368 au
Aphelion distance 1.7032 au
Asc. node-Earth separation 0.54385 au
Desc. node-Earth separation 0.00374 au
Earth MOID 0.00126 au
Orbital period 553.955 days
Date of orbit computation   feb 26 11:59

Covariance matrix
2.06006409E-081.28482730E-081.26299864E-075.45808486E-08-2.70233785E-07-1.96878684E-05
1.28482730E-088.01327448E-097.87721636E-083.40404474E-08-1.68552324E-07-1.22789856E-05
1.26299864E-077.87721636E-087.74469488E-073.34661490E-07-1.65747188E-06-1.20703415E-04
5.45808486E-083.40404474E-083.34661490E-071.44851688E-07-7.15711247E-07-5.21627647E-05
-2.70233785E-07-1.68552324E-07-1.65747188E-06-7.15711247E-073.55152731E-062.58256666E-04
-1.96878684E-05-1.22789856E-05-1.20703415E-04-5.21627647E-052.58256666E-041.88155411E-02

Correlation matrix
1.000000000.999998580.999908730.99916713-0.99906029-0.99999995
0.999998581.000000000.999920810.99914489-0.99913036-0.99999799
0.999908730.999920811.000000000.99917556-0.99939330-0.99990570
0.999167130.999144890.999175561.00000000-0.99785740-0.99917248
-0.99906029-0.99913036-0.99939330-0.997857401.000000000.99904627
-0.99999995-0.99999799-0.99990570-0.999172480.999046271.00000000