NEODyS-2

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NEODyS ∴ Objects ∴ 1991OA ∴ Summary
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(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

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Other useful info
Absolute Magnitude (H)    18.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.0219 au
Aphelion 3.9779 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 167 days

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Ephemeris at epoch 58686 MJD
Right Ascension 29.4124 deg
Declination 18.0889 deg
V Magnitude 21.76 mag
Solar Elongation 85.02 deg
Galactic Latitude -42.02 deg
Rate 0.306 deg/day
Direction 55.802 deg

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