AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1991OA ∴ Summary
Contact »
(6491) 1991OA  ▹ 
SUMMARY

Warning: This object is a Near Earth Asteroid. You can have more detailed information looking at
its home page on the NEODyS web site

Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.50438 2.519e-08 au
e 0.590768 4.249e-08
i 5.95 1.083e-05 deg
Ω 301.676 8.245e-05 deg
ω 323.935 8.397e-05 deg
M 92.96 1.254e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    18.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.0249 au
Aphelion 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 22 01:51
Observational summary
Optical observations (Discarded) 204 (1)
Radar observations (Discarded) 0 (0)
Arc length 11897.8 days
Unobserved 165 days

More info »
Ephemeris at epoch 60397 MJD
Right Ascension 39.5416 deg
Declination 20.1387 deg
V Magnitude 24.84 mag
Solar Elongation -36.2 deg
Galactic Latitude -36.13 deg
Rate 0.301 deg/day
Direction 74.509 deg

More info »