NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1991OA ∴ Summary
Contact »
(6491) 1991OA  ▹ 
SUMMARY
Keplerian elements at epoch
58600.0 MJD
Value 1-σ variation Units
a 2.49992 3.045e-08 au
e 0.591218 4.456e-08
i 5.949 1.174e-05 deg
Ω 301.895 8.414e-05 deg
ω 323.617 8.692e-05 deg
M 4.66 9.472e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    18.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.0219 au
Aphelion 3.9779 au
Asc. node-Earth separation 0.08575 au
Desc. node-Earth separation 2.11784 au
Earth MOID 0.04119 au
Orbital period 1443.74 days
Date of orbit computation   May 25 11:26
Observational summary
Optical observations (Discarded) 188 (1)
Radar observations (Discarded) 0 (0)
Arc length 10185 days
Unobserved 165 days

More info »
Ephemeris at epoch 58684 MJD
Right Ascension 28.8643 deg
Declination 17.7389 deg
V Magnitude 21.75 mag
Solar Elongation 83.73 deg
Galactic Latitude -42.52 deg
Rate 0.322 deg/day
Direction 56.432 deg

More info »





This Web Site has been visited 1442549 times since

and this Page has been visited 7016 times since 2011/06/24