NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2009HD ∴ Orbital info ∴ Epoch 58347 MJD
Contact »
2009HD  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2009HD.eq0)
Keplerian elements
(Epoch 58347.8 MJD)
Value 1-σ variation Units
a 2.41038 5.828e-09 au
e 0.561381 3.54e-08
i 12.477 1.72e-05 deg
Ω 34.768 1.235e-05 deg
ω 173.046 4.846e-05 deg
M 175.187 8.627e-06 deg
Other useful info
Absolute Magnitude (H)    22.7 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.0572 au
Aphelion distance 3.7635 au
Asc. node-Earth separation 2.73516 au
Desc. node-Earth separation 0.05354 au
Earth MOID 0.05317 au
Orbital period 1366.87 days
Date of orbit computation   apr 30 14:18

Covariance matrix
3.39604202E-171.11382733E-162.31884116E-14-1.49800167E-142.72631164E-13-4.96349912E-14
1.11382733E-161.25288772E-15-1.95959127E-13-1.21815140E-139.70634530E-13-1.73231955E-13
2.31884116E-14-1.95959127E-132.95868968E-10-9.59275655E-112.65904786E-10-2.82055931E-11
-1.49800167E-14-1.21815140E-13-9.59275655E-111.52486556E-10-2.47883496E-101.96277088E-11
2.72631164E-139.70634530E-132.65904786E-10-2.47883496E-102.34865619E-09-4.05152511E-10
-4.96349912E-14-1.73231955E-13-2.82055931E-111.96277088E-11-4.05152511E-107.44297653E-11

Correlation matrix
1.000000000.539977000.23133149-0.208166090.96533765-0.98725217
0.539977001.00000000-0.32185459-0.278695150.56583517-0.56728148
0.23133149-0.321854591.00000000-0.451624960.31898240-0.19006940
-0.20816609-0.27869515-0.451624961.00000000-0.414211460.18423855
0.965337650.565835170.31898240-0.414211461.00000000-0.96902613
-0.98725217-0.56728148-0.190069400.18423855-0.969026131.00000000