NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021AP4 ∴ Orbital info ∴ Epoch 59228 MJD
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2021AP4  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2021AP4.eq0)
Keplerian elements
(Epoch 59228.0 MJD)
Value 1-σ variation Units
a 1.17309 5.498e-05 au
e 0.448417 4.468e-05
i 21.493 0.002777 deg
Ω 310.498 0.0007162 deg
ω 291.674 0.0003513 deg
M 282.524 0.007172 deg
Other useful info
Absolute Magnitude (H)    22.5 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.6471 au
Aphelion distance 1.6991 au
Asc. node-Earth separation -0.2125 au
Desc. node-Earth separation 0.13803 au
Earth MOID 0.07788 au
Orbital period 464.081 days
Date of orbit computation   feb 26 12:26

Covariance matrix
3.02325366E-092.45494829E-091.52467160E-07-3.92068692E-08-1.42568319E-083.94349114E-07
2.45494829E-091.99660802E-091.24056880E-07-3.19383357E-08-1.11683888E-083.20212599E-07
1.52467160E-071.24056880E-077.71213803E-06-1.98706960E-06-6.83608390E-071.98853046E-05
-3.92068692E-08-3.19383357E-08-1.98706960E-065.12926855E-071.69967212E-07-5.11299278E-06
-1.42568319E-08-1.11683888E-08-6.83608390E-071.69967212E-071.23422874E-07-1.86256761E-06
3.94349114E-073.20212599E-071.98853046E-05-5.11299278E-06-1.86256761E-065.14399785E-05

Correlation matrix
1.000000000.999214320.99850816-0.99562811-0.738053610.99998431
0.999214321.000000000.99973996-0.99801750-0.711453130.99917514
0.998508160.999739961.00000000-0.99907470-0.700683940.99837676
-0.99562811-0.99801750-0.999074701.000000000.67552217-0.99539871
-0.73805361-0.71145313-0.700683940.675522171.00000000-0.73920319
0.999984310.999175140.99837676-0.99539871-0.739203191.00000000