NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021AC4 ∴ Orbital info ∴ Epoch 60400 MJD
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2021AC4  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2021AC4.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.72985 0.0005407 au
e 0.44454 0.0001785
i 3.077 0.0009792 deg
Ω 110.136 7.813e-05 deg
ω 335.268 0.001026 deg
M 158.113 0.243 deg
Other useful info
Absolute Magnitude (H)    28.9 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.9609 au
Aphelion distance 2.4988 au
Asc. node-Earth separation 0.00579 au
Desc. node-Earth separation 1.31236 au
Earth MOID 0.00229 au
Orbital period 831.021 days
Date of orbit computation   feb 26 12:23

Covariance matrix
2.92366985E-079.65310557E-085.29259470E-07-4.21110869E-08-5.45727068E-07-1.31409550E-04
9.65310557E-083.18718286E-081.74741096E-07-1.39038037E-08-1.80237402E-07-4.33875857E-05
5.29259470E-071.74741096E-079.58765898E-07-7.61562885E-08-9.85045286E-07-2.37886021E-04
-4.21110869E-08-1.39038037E-08-7.61562885E-086.10385854E-097.85329888E-081.89275888E-05
-5.45727068E-07-1.80237402E-07-9.85045286E-077.85329888E-081.05231504E-062.45276077E-04
-1.31409550E-04-4.33875857E-05-2.37886021E-041.89275888E-052.45276077E-045.90643671E-02

Correlation matrix
1.000000000.999998620.99965049-0.99685056-0.98387164-0.99999997
0.999998621.000000000.99962078-0.99684563-0.98416641-0.99999820
0.999650490.999620781.00000000-0.99551372-0.98067932-0.99965434
-0.99685056-0.99684563-0.995513721.000000000.979889280.99685108
-0.98387164-0.98416641-0.980679320.979889281.000000000.98382878
-0.99999997-0.99999820-0.999654340.996851080.983828781.00000000