NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021AC4 ∴ Orbital info ∴ Epoch 59225 MJD
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2021AC4  ▹ 
ORBITAL INFORMATION
(ASCII data file 2021AC4.eq0)
Keplerian elements
(Epoch 59225.4 MJD)
Value 1-σ variation Units
a 1.73566 0.0005412 au
e 0.446598 0.0001771
i 3.087 0.0009741 deg
Ω 110.18 4.24e-05 deg
ω 335.231 0.0009043 deg
M 9.104 0.004523 deg
Other useful info
Absolute Magnitude (H)    28.9 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.9605 au
Aphelion distance 2.5108 au
Asc. node-Earth separation 0.00506 au
Desc. node-Earth separation 1.31958 au
Earth MOID 0.00199 au
Orbital period 835.207 days
Date of orbit computation   feb 26 12:23

Covariance matrix
2.92930381E-079.58557515E-085.27051963E-072.27001288E-08-4.79285320E-07-2.44764794E-06
9.58557515E-083.13670103E-081.72462555E-077.42821200E-09-1.56890332E-07-8.00928171E-07
5.27051963E-071.72462555E-079.48966565E-074.09192225E-08-8.59479532E-07-4.40482351E-06
2.27001288E-087.42821200E-094.09192225E-081.79738054E-09-3.72044737E-08-1.89668262E-07
-4.79285320E-07-1.56890332E-07-8.59479532E-07-3.72044737E-088.17819378E-073.99419429E-06
-2.44764794E-06-8.00928171E-07-4.40482351E-06-1.89668262E-073.99419429E-062.04552292E-05

Correlation matrix
1.000000000.999998630.999644940.98929564-0.97922664-0.99991842
0.999998631.000000000.999615080.98929932-0.97955973-0.99989600
0.999644940.999615081.000000000.99079065-0.97562155-0.99977180
0.989295640.989299320.990790651.00000000-0.97039030-0.98917350
-0.97922664-0.97955973-0.97562155-0.970390301.000000000.97655861
-0.99991842-0.99989600-0.99977180-0.989173500.976558611.00000000