NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021AL4 ∴ Orbital info ∴ Epoch 59244 MJD
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2021AL4  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2021AL4.eq0)
Keplerian elements
(Epoch 59244.0 MJD)
Value 1-σ variation Units
a 1.63449 7.92e-05 au
e 0.349628 2.802e-05
i 4.91 0.0003108 deg
Ω 325.901 0.000171 deg
ω 171.821 9.039e-05 deg
M 357.579 0.0001515 deg
Other useful info
Absolute Magnitude (H)    25.0 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.063 au
Aphelion distance 2.2059 au
Asc. node-Earth separation 1.18351 au
Desc. node-Earth separation 0.07825 au
Earth MOID 0.07713 au
Orbital period 763.256 days
Date of orbit computation   feb 26 12:22

Covariance matrix
6.27258930E-092.21910642E-092.46080887E-081.33925371E-084.66984045E-091.16901522E-08
2.21910642E-097.85073345E-108.70560314E-094.73772814E-091.65072044E-094.13646204E-09
2.46080887E-088.70560314E-099.66158251E-085.25606214E-081.87608380E-084.56499501E-08
1.33925371E-084.73772814E-095.25606214E-082.92428073E-081.00025859E-082.46465103E-08
4.66984045E-091.65072044E-091.87608380E-081.00025859E-088.16958611E-096.51573905E-09
1.16901522E-084.13646204E-094.56499501E-082.46465103E-086.51573905E-092.29444247E-08

Correlation matrix
1.000000000.999999050.999609380.988848820.652346880.97444685
0.999999051.000000000.999584740.988793240.651806050.97462005
0.999609380.999584741.000000000.988841820.667771800.96956647
0.988848820.988793240.988841821.000000000.647146690.95149677
0.652346880.651806050.667771800.647146691.000000000.47591026
0.974446850.974620050.969566470.951496770.475910261.00000000