NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021AR4 ∴ Orbital info ∴ Epoch 60400 MJD
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ORBITAL INFORMATION
◲
(ASCII data file 2021AR4.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 2.28133 0.001001 au
e 0.487085 0.0002059
i 36.348 0.002211 deg
Ω 244.842 0.003133 deg
ω 170.288 0.004114 deg
M 342.795 0.2279 deg
Other useful info
Absolute Magnitude (H)    19.6 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.1701 au
Aphelion distance 3.3925 au
Asc. node-Earth separation 2.33378 au
Desc. node-Earth separation 0.18968 au
Earth MOID 0.18861 au
Orbital period 1258.58 days
Date of orbit computation   feb 26 13:13

Covariance matrix
1.00159763E-062.06105342E-072.19577445E-06-3.13335022E-063.92253554E-06-2.28099756E-04
2.06105342E-074.24135905E-084.52185029E-07-6.44618659E-078.05478957E-07-4.69371359E-05
2.19577445E-064.52185029E-074.89010893E-06-6.84121140E-068.27005781E-06-4.99967959E-04
-3.13335022E-06-6.44618659E-07-6.84121140E-069.81714163E-06-1.23965019E-057.13609403E-04
3.92253554E-068.05478957E-078.27005781E-06-1.23965019E-051.69221784E-05-8.93724682E-04
-2.28099756E-04-4.69371359E-05-4.99967959E-047.13609403E-04-8.93724682E-045.19466221E-02

Correlation matrix
1.000000000.999977170.99216023-0.999239900.95277885-0.99999890
0.999977171.000000000.99289745-0.998982370.95076579-0.99996640
0.992160230.992897451.00000000-0.987372930.90911986-0.99198305
-0.99923990-0.99898237-0.987372931.00000000-0.961786080.99928503
0.952778850.950765790.90911986-0.961786081.00000000-0.95322837
-0.99999890-0.99996640-0.991983050.99928503-0.953228371.00000000