NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1991OA ∴ Summary
Contact »
(6491) 1991OA  ▹ 
SUMMARY
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 2.50438 1.211e-08 au
e 0.590768 3.298e-08
i 5.95 7.207e-06 deg
Ω 301.676 7.015e-05 deg
ω 323.935 6.999e-05 deg
M 92.96 7.485e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    18.6 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.0249 au
Aphelion distance 3.9839 au
Asc. node-Earth separation 0.08793 au
Desc. node-Earth separation 2.13572 au
Earth MOID 0.0429 au
Orbital period 1447.6 days
Date of orbit computation   feb 26 13:20
Observational summary
Optical observations (Discarded) 204 (2)
Radar observations (Discarded) 0 (0)
Arc length 11898 days
Unobserved 196 days

More info »
Ephemeris
(Epoch 60427 MJD)
Right Ascension 49.031 deg
Declination 22.4652 deg
V Magnitude 24.83 mag
Solar Elongation -16.23 deg
Galactic Latitude -29.32 deg
Rate 0.305 deg/day
Direction 76.153 deg

More info »