NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2009HB21 ∴ Summary
Contact »
2009HB21  ▹ 
SUMMARY
Keplerian elements at epoch
58000.0 MJD
Value 1-σ variation Units
a 1.73297 0.009018 au
e 0.419961 0.002807
i 39.645 0.1018 deg
Ω 206.822 0.00625 deg
ω 317.3 0.1373 deg
M 258.879 10.56 deg

More info »
Other useful info
Absolute Magnitude (H)    22.9 mag
Slope parameter (G)    0.15 mag
Perihelion 1.0052 au
Aphelion 2.4607 au
Asc. node-Earth separation 0.08818 au
Desc. node-Earth separation 1.06917 au
Earth MOID 0.08379 au
Orbital period 833.266 days
Date of orbit computation   Oct 9 18:56
Observational summary
Optical observations (Discarded) 36 (2)
Radar observations (Discarded) 0 (0)
Arc length 6 days
Unobserved 3099 days

More info »
Ephemeris at epoch 58046 MJD
Right Ascension 44.4185 deg
Declination 3.53144 deg
V Magnitude 24.84 mag
Solar Elongation 159.25 deg
Galactic Latitude -46.79 deg
Rate 0.666 deg/day
Direction -153.441 deg

More info »





This Web Site has been visited 186395 times since 34

and this Page has been visited 1427 times since 2011/05/26