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NEODyS ∴ Objects ∴ 1991OA ∴ Summary
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(6491) 1991OA  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.49943 3.058e-08 au
e 0.591143 4.456e-08
i 5.949 1.174e-05 deg
Ω 301.897 8.414e-05 deg
ω 323.62 8.692e-05 deg
M 314.774 9.117e-06 deg

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Other useful info
Absolute Magnitude (H)    18.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.0219 au
Aphelion 3.9769 au
Asc. node-Earth separation 0.08537 au
Desc. node-Earth separation 2.11633 au
Earth MOID 0.04081 au
Orbital period 1443.31 days
Date of orbit computation   Feb 5 15:50
Observational summary
Optical observations (Discarded) 188 (1)
Radar observations (Discarded) 0 (0)
Arc length 10185 days
Unobserved 16 days

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Ephemeris at epoch 58535 MJD
Right Ascension 264.864 deg
Declination -29.4443 deg
V Magnitude 21.06 mag
Solar Elongation 66.44 deg
Galactic Latitude 0.88 deg
Rate 1.179 deg/day
Direction 91.654 deg

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