NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2017AB21 ∴ Orbital info ∴ Epoch 57757 MJD
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2017AB21  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2017AB21.eq0)
Keplerian elements
(Epoch 57757.2 MJD)
Value 1-σ variation Units
a 1.64765 2.516 au
e 0.523275 1.174
i 10.957 4.778 deg
Ω 20.231 111.3 deg
ω 309.338 17.55 deg
M 81.794 314.3 deg
Other useful info
Absolute Magnitude (H)    20.4 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.7855 au
Aphelion distance 2.5098 au
Asc. node-Earth separation -0.09981 au
Desc. node-Earth separation 0.78886 au
Earth MOID 0.04813 au
Orbital period 772.495 days
Date of orbit computation   feb 26 11:56

Covariance matrix
6.32794055E+002.94655970E+001.18385799E+012.79780746E+02-4.26645193E+01-7.90591468E+02
2.94655970E+001.37787760E+005.57570504E+001.29870719E+02-2.02103170E+01-3.67713808E+02
1.18385799E+015.57570504E+002.28318842E+015.19017538E+02-8.35417840E+01-1.47453157E+03
2.79780746E+021.29870719E+025.19017538E+021.23985209E+04-1.86234775E+03-3.49841314E+04
-4.26645193E+01-2.02103170E+01-8.35417840E+01-1.86234775E+033.07928398E+025.30563704E+03
-7.90591468E+02-3.67713808E+02-1.47453157E+03-3.49841314E+045.30563704E+039.88039726E+04

Correlation matrix
1.000000000.997880940.984912240.99885325-0.96651988-0.99984741
0.997880941.000000000.994085170.99362151-0.98116700-0.99659204
0.984912240.994085171.000000000.97549763-0.99634099-0.98173889
0.998853250.993621510.975497631.00000000-0.95312743-0.99953718
-0.96651988-0.98116700-0.99634099-0.953127431.000000000.96189012
-0.99984741-0.99659204-0.98173889-0.999537180.961890121.00000000