NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2009HB21 ∴ Summary
Contact »
2009HB21  ▹ 
SUMMARY
Keplerian elements at epoch
58200.0 MJD
Value 1-σ variation Units
a 1.74383 0.01607 au
e 0.42332 0.004925
i 39.767 0.1784 deg
Ω 206.814 0.01166 deg
ω 317.474 0.2378 deg
M 331.713 19.7 deg

More info »
Other useful info
Absolute Magnitude (H)    22.9 mag
Slope parameter (G)    0.15 mag
Perihelion 1.0056 au
Aphelion 2.482 au
Asc. node-Earth separation 0.08737 au
Desc. node-Earth separation 1.08384 au
Earth MOID 0.08301 au
Orbital period 841.114 days
Date of orbit computation   Mar 13 11:04
Observational summary
Optical observations (Discarded) 36 (1)
Radar observations (Discarded) 0 (0)
Arc length 6 days
Unobserved 3435 days

More info »
Ephemeris at epoch 58382 MJD
Right Ascension 227.134 deg
Declination 7.53077 deg
V Magnitude 26.55 mag
Solar Elongation -49.5 deg
Galactic Latitude 52.08 deg
Rate 0.703 deg/day
Direction 96.53 deg

More info »





This Web Site has been visited 30555 times since 359

and this Page has been visited 1720 times since 2011/05/26