NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2009RB4 ∴ Summary
Contact »
(274855) 2009RB4  ▹ 
SUMMARY
Keplerian elements at epoch
57800.0 MJD
Value 1-σ variation Units
a 1.63873 1.418e-08 au
e 0.300868 3.345e-08
i 9.537 5.687e-06 deg
Ω 182.184 1.784e-05 deg
ω 75.037 2.396e-05 deg
M 266.613 1.546e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    18.4 mag
Slope parameter (G)    0.15 mag
Perihelion 1.1457 au
Aphelion 2.1318 au
Asc. node-Earth separation 0.38627 au
Desc. node-Earth separation 0.61406 au
Earth MOID 0.21071 au
Orbital period 766.228 days
Date of orbit computation   May 15 20:29
Observational summary
Optical observations (Discarded) 450 (5)
Radar observations (Discarded) 0 (0)
Arc length 9683 days
Unobserved 118 days

More info »
Ephemeris at epoch 57900 MJD
Right Ascension 138.486 deg
Declination 15.4682 deg
V Magnitude 21.48 mag
Solar Elongation -70.52 deg
Galactic Latitude 38.41 deg
Rate 0.576 deg/day
Direction 96.674 deg

More info »





This Web Site has been visited 801986 times since

and this Page has been visited 3351 times since 2011/05/26