NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021SP4 ∴ Orbital info ∴ Epoch 60400 MJD
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2021SP4  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2021SP4.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.46758 4.733e-09 au
e 0.404962 1.959e-08
i 9.914 4.097e-06 deg
Ω 161.325 2.822e-05 deg
ω 324.972 2.97e-05 deg
M 80.902 7.926e-06 deg
Other useful info
Absolute Magnitude (H)    21.0 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.8733 au
Aphelion distance 2.0619 au
Asc. node-Earth separation -0.06946 au
Desc. node-Earth separation 0.82759 au
Earth MOID 0.04762 au
Orbital period 649.383 days
Date of orbit computation   feb 26 12:40

Covariance matrix
2.24047139E-173.23428948E-171.23066785E-152.22572880E-15-1.33870224E-14-1.80897948E-15
3.23428948E-173.83695677E-161.20543610E-141.94825096E-14-6.14660883E-141.71803823E-14
1.23066785E-151.20543610E-141.67820469E-117.99640280E-11-8.65221756E-116.86597863E-12
2.22572880E-151.94825096E-147.99640280E-117.96518789E-10-8.02751423E-101.40590678E-11
-1.33870224E-14-6.14660883E-14-8.65221756E-11-8.02751423E-108.81991317E-10-7.56249005E-11
-1.80897948E-151.71803823E-146.86597863E-121.40590678E-11-7.56249005E-116.28224349E-11

Correlation matrix
1.000000000.348831530.063467100.01666113-0.09523183-0.04821771
0.348831531.000000000.150220180.03524142-0.105659840.11065779
0.063467100.150220181.000000000.69163058-0.711168990.21145726
0.016661130.035241420.691630581.00000000-0.957747260.06284940
-0.09523183-0.10565984-0.71116899-0.957747261.00000000-0.32127378
-0.048217710.110657790.211457260.06284940-0.321273781.00000000