NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1991RB ∴ Summary
Contact »
(152561) 1991RB  ▹ 
SUMMARY
Keplerian elements at epoch
57800.0 MJD
Value 1-σ variation Units
a 1.45449 1.006e-08 au
e 0.485646 1.126e-07
i 19.582 3.347e-05 deg
Ω 359.373 3.674e-05 deg
ω 68.87 4.937e-05 deg
M 146.546 5.209e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    19.0 mag
Slope parameter (G)    0.15 mag
Perihelion 0.7481 au
Aphelion 2.1609 au
Asc. node-Earth separation -0.05679 au
Desc. node-Earth separation 0.35144 au
Earth MOID 0.03805 au
Orbital period 640.717 days
Date of orbit computation   May 15 15:30
Observational summary
Optical observations (Discarded) 73 (4)
Radar observations (Discarded) 0 (0)
Arc length 13022 days
Unobserved 1537 days

More info »
Ephemeris at epoch 57933 MJD
Right Ascension 242.424 deg
Declination -56.7692 deg
V Magnitude 21.99 mag
Solar Elongation -137.76 deg
Galactic Latitude -3.73 deg
Rate 0.362 deg/day
Direction -60.089 deg

More info »





This Web Site has been visited 235288 times since

and this Page has been visited 3614 times since 2011/06/24