NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2018HD ∴ Orbital info ∴ Epoch 60400 MJD
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2018HD  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2018HD.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.93891 0.007298 au
e 0.478649 0.001956
i 4.643 0.01466 deg
Ω 205.859 0.002841 deg
ω 341.543 0.01487 deg
M 79.388 4.535 deg
Other useful info
Absolute Magnitude (H)    27.3 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.0109 au
Aphelion distance 2.867 au
Asc. node-Earth separation 0.0245 au
Desc. node-Earth separation 1.74206 au
Earth MOID 0.01882 au
Orbital period 986.128 days
Date of orbit computation   feb 26 11:43

Covariance matrix
5.32655752E-051.42780840E-051.07011146E-04-2.07330574E-051.08465271E-04-3.30956793E-02
1.42780840E-053.82730683E-062.86848270E-05-5.55759113E-062.90743766E-05-8.87144995E-03
1.07011146E-042.86848270E-052.14987987E-04-4.16524743E-052.17911203E-04-6.64895968E-02
-2.07330574E-05-5.55759113E-06-4.16524743E-058.07048118E-06-4.22199465E-051.28821406E-02
1.08465271E-042.90743766E-052.17911203E-04-4.22199465E-052.21045894E-04-6.73931418E-02
-3.30956793E-02-8.87144995E-03-6.64895968E-021.28821406E-02-6.73931418E-022.05634499E+01

Correlation matrix
1.000000000.999999960.99999679-0.999977720.99959982-1.00000000
0.999999961.000000000.99999654-0.999977520.99959148-0.99999995
0.999996790.999996541.00000000-0.999963140.99961148-0.99999681
-0.99997772-0.99997752-0.999963141.00000000-0.999601130.99997774
0.999599820.999591480.99961148-0.999601131.00000000-0.99960055
-1.00000000-0.99999995-0.999996810.99997774-0.999600551.00000000