NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2009HD21 ∴ Summary
Contact »
2009HD21  ▹ 
SUMMARY
Keplerian elements at epoch
58000.0 MJD
Value 1-σ variation Units
a 2.77001 2.618e-07 au
e 0.688155 3.716e-08
i 18.644 1.195e-05 deg
Ω 179.288 1.234e-05 deg
ω 134.225 1.28e-05 deg
M 267.982 9.119e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    18.2 mag
Slope parameter (G)    0.15 mag
Perihelion 0.8638 au
Aphelion 4.6762 au
Asc. node-Earth separation 1.80992 au
Desc. node-Earth separation -0.01823 au
Earth MOID 0.01225 au
Orbital period 1683.92 days
Date of orbit computation   Oct 9 19:27
Observational summary
Optical observations (Discarded) 137 (5)
Radar observations (Discarded) 0 (0)
Arc length 2093 days
Unobserved 1096 days

More info »
Ephemeris at epoch 58103 MJD
Right Ascension 183.947 deg
Declination -5.40004 deg
V Magnitude 24.41 mag
Solar Elongation 78.22 deg
Galactic Latitude 56.35 deg
Rate 0.181 deg/day
Direction 107.769 deg

More info »





This Web Site has been visited 22146 times since

and this Page has been visited 2497 times since 2011/05/26