NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021AL4 ∴ Orbital info ∴ Epoch 60400 MJD
Contact »
2021AL4  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2021AL4.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.63389 7.881e-05 au
e 0.348877 2.767e-05
i 4.906 0.0003099 deg
Ω 325.864 0.000178 deg
ω 171.941 8.062e-05 deg
M 182.985 0.03949 deg
Other useful info
Absolute Magnitude (H)    25.0 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.0639 au
Aphelion distance 2.2039 au
Asc. node-Earth separation 1.18049 au
Desc. node-Earth separation 0.07931 au
Earth MOID 0.07826 au
Orbital period 762.836 days
Date of orbit computation   feb 26 12:22

Covariance matrix
6.21047675E-092.18025248E-092.44100966E-081.38866315E-083.30588869E-09-3.11188677E-06
2.18025248E-097.65401777E-108.56921655E-094.87479078E-091.15923222E-09-1.09245950E-06
2.44100966E-088.56921655E-099.60185073E-085.46010095E-081.34359529E-08-1.22313945E-05
1.38866315E-084.87479078E-095.46010095E-083.16995235E-087.42350674E-09-6.95849789E-06
3.30588869E-091.15923222E-091.34359529E-087.42350674E-096.50028021E-09-1.65871595E-06
-3.11188677E-06-1.09245950E-06-1.22313945E-05-6.95849789E-06-1.65871595E-061.55927590E-03

Correlation matrix
1.000000000.999999050.999607610.989710260.52030706-0.99999962
0.999999051.000000000.999583110.989657410.51970832-0.99999800
0.999607610.999583111.000000000.989684640.53780515-0.99962479
0.989710260.989657410.989684641.000000000.51715021-0.98975488
0.520307060.519708320.537805150.517150211.00000000-0.52100813
-0.99999962-0.99999800-0.99962479-0.98975488-0.521008131.00000000