NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2017AB21 ∴ Orbital info ∴ Epoch 60400 MJD
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2017AB21  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2017AB21.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.64772 2.427 au
e 0.522995 1.158
i 10.957 4.926 deg
Ω 20.199 111.4 deg
ω 309.354 18.46 deg
M 233.346 3084 deg
Other useful info
Absolute Magnitude (H)    20.4 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.786 au
Aphelion distance 2.5095 au
Asc. node-Earth separation -0.09804 au
Desc. node-Earth separation 0.78931 au
Earth MOID 0.04736 au
Orbital period 772.547 days
Date of orbit computation   feb 26 11:56

Covariance matrix
5.89125621E+002.80527764E+001.17855791E+012.69999030E+02-4.34598031E+01-7.48616197E+03
2.80527764E+001.34165194E+005.67522799E+001.28159265E+02-2.10379703E+01-3.56430777E+03
1.17855791E+015.67522799E+002.42609566E+015.35726797E+02-9.06565821E+01-1.49716083E+04
2.69999030E+021.28159265E+025.35726797E+021.24026529E+04-1.96781436E+03-3.43124073E+05
-4.34598031E+01-2.10379703E+01-9.06565821E+01-1.96781436E+033.40783724E+025.52003648E+04
-7.48616197E+03-3.56430777E+03-1.49716083E+04-3.43124073E+055.52003648E+049.51287847E+06

Correlation matrix
1.000000000.997819440.985809530.99885156-0.96993890-0.99999836
0.997819441.000000000.994739630.99351124-0.98388533-0.99769843
0.985809530.994739631.000000000.97663462-0.99702480-0.98550429
0.998851560.993511240.976634621.00000000-0.95716632-0.99893659
-0.96993890-0.98388533-0.99702480-0.957166321.000000000.96949718
-0.99999836-0.99769843-0.98550429-0.998936590.969497181.00000000