NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021EC4 ∴ Orbital info ∴ Epoch 59600 MJD
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2021EC4  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2021EC4.eq1)
Keplerian elements
(Epoch 59600.0 MJD)
Value 1-σ variation Units
a 0.950111 0.0003337 au
e 0.502521 0.001238
i 7.328 0.02475 deg
Ω 1.646 0.01966 deg
ω 303.968 0.03372 deg
M 250.775 0.04033 deg
Other useful info
Absolute Magnitude (H)    24.2 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.4727 au
Aphelion distance 1.4276 au
Asc. node-Earth separation -0.44735 au
Desc. node-Earth separation -0.00875 au
Earth MOID 0.00184 au
Orbital period 338.267 days
Date of orbit computation   apr 29 11:42

Covariance matrix
1.11334724E-074.12786421E-078.25384304E-06-6.55599801E-061.12330180E-05-1.34352891E-05
4.12786421E-071.53177884E-063.06265922E-05-2.43255765E-054.17198721E-05-4.97287182E-05
8.25384304E-063.06265922E-056.12362332E-04-4.86382868E-048.34108951E-04-9.94474183E-04
-6.55599801E-06-2.43255765E-05-4.86382868E-043.86325034E-04-6.62481334E-047.89971697E-04
1.12330180E-054.17198721E-058.34108951E-04-6.62481334E-041.13728918E-03-1.35095951E-03
-1.34352891E-05-4.97287182E-05-9.94474183E-047.89971697E-04-1.35095951E-031.62664842E-03

Correlation matrix
1.000000000.999567330.99962395-0.999647930.99826463-0.99835466
0.999567331.000000000.99999173-0.999973940.99956141-0.99623635
0.999623950.999991731.00000000-0.999994500.99950068-0.99641999
-0.99964793-0.99997394-0.999994501.00000000-0.999451600.99652514
0.998264630.999561410.99950068-0.999451601.00000000-0.99325333
-0.99835466-0.99623635-0.996419990.99652514-0.993253331.00000000