NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021AR4 ∴ Orbital info ∴ Epoch 59230 MJD
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ORBITAL INFORMATION
◲
(ASCII data file 2021AR4.eq0)
Keplerian elements
(Epoch 59230.9 MJD)
Value 1-σ variation Units
a 2.28224 0.001006 au
e 0.486506 0.0002061
i 36.327 0.002182 deg
Ω 244.857 0.003118 deg
ω 170.262 0.003979 deg
M 8.53 0.006788 deg
Other useful info
Absolute Magnitude (H)    19.6 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.1719 au
Aphelion distance 3.3926 au
Asc. node-Earth separation 2.33294 au
Desc. node-Earth separation 0.19028 au
Earth MOID 0.18919 au
Orbital period 1259.33 days
Date of orbit computation   feb 26 13:13

Covariance matrix
1.01107663E-062.07211129E-072.17595191E-06-3.13284096E-063.79822523E-06-6.81659723E-06
2.07211129E-074.24680302E-084.46290009E-07-6.41894495E-077.76711732E-07-1.39653797E-06
2.17595191E-064.46290009E-074.75915772E-06-6.71411913E-067.84469170E-06-1.45802081E-05
-3.13284096E-06-6.41894495E-07-6.71411913E-069.72223224E-06-1.18954142E-052.11550626E-05
3.79822523E-067.76711732E-077.84469170E-06-1.18954142E-051.58343356E-05-2.60362869E-05
-6.81659723E-06-1.39653797E-06-1.45802081E-052.11550626E-05-2.60362869E-054.60746748E-05

Correlation matrix
1.000000000.999976930.99195554-0.999225060.94926781-0.99872164
0.999976931.000000000.99270694-0.998963450.94717207-0.99836777
0.991955540.992706941.00000000-0.987054190.90367217-0.98461746
-0.99922506-0.99896345-0.987054191.00000000-0.958730740.99954000
0.949267810.947172070.90367217-0.958730741.00000000-0.96393552
-0.99872164-0.99836777-0.984617460.99954000-0.963935521.00000000