NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2009HA21 ∴ Orbital info ∴ Epoch 60400 MJD
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2009HA21  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2009HA21.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.46069 2.926e-08 au
e 0.729134 2.587e-07
i 6.407 3.362e-05 deg
Ω 205.403 6.094e-05 deg
ω 219.898 8.376e-05 deg
M 228.007 2.618e-05 deg
Other useful info
Absolute Magnitude (H)    20.9 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.3957 au
Aphelion distance 2.5257 au
Asc. node-Earth separation 0.54983 au
Desc. node-Earth separation -0.55672 au
Earth MOID 0.04624 au
Orbital period 644.818 days
Date of orbit computation   feb 26 10:57

Covariance matrix
8.55910963E-16-3.44756110E-152.51271492E-134.90560330E-13-1.63946309E-124.12574591E-13
-3.44756110E-156.69022569E-14-3.64333641E-13-3.32442372E-123.35070346E-12-5.03793449E-12
2.51271492E-13-3.64333641E-131.13037617E-09-1.27525303E-098.32334379E-101.20951489E-10
4.90560330E-13-3.32442372E-12-1.27525303E-093.71424289E-09-4.28723046E-093.93120517E-10
-1.63946309E-123.35070346E-128.32334379E-10-4.28723046E-097.01566996E-09-8.83519636E-10
4.12574591E-13-5.03793449E-121.20951489E-103.93120517E-10-8.83519636E-106.85227745E-10

Correlation matrix
1.00000000-0.455593260.255456780.27513319-0.669041060.53872945
-0.455593261.00000000-0.04189550-0.210892360.15466108-0.74407149
0.25545678-0.041895501.00000000-0.622371530.295564150.13743022
0.27513319-0.21089236-0.622371531.00000000-0.839860400.24641838
-0.669041060.154661080.29556415-0.839860401.00000000-0.40296206
0.53872945-0.744071490.137430220.24641838-0.402962061.00000000