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AstDyS ∴ Objects ∴ 1991OL1 ∴ Summary
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(9858) 1991OL1  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.22456 1.456e-08 au
e 0.179121 3.083e-08
i 2.783 3.482e-06 deg
Ω 113.26 6.72e-05 deg
ω 246.05 6.798e-05 deg
M 204.654 9.415e-06 deg

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Other useful info
Absolute Magnitude (H)    13.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.647 au
Aphelion 3.8021 au
Asc. node-Earth separation 2.38206 au
Desc. node-Earth separation 1.89381 au
Earth MOID 1.64497 au
Orbital period 2114.97 days
Date of orbit computation  apr 23 19:48
Observational summary
Optical observations (Discarded) 2719 (38)
Radar observations (Discarded) 0 (0)
Arc length 17196.4 days
Unobserved 36 days

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Ephemeris at epoch 60426 MJD
Right Ascension 194.722 deg
Declination -2.24988 deg
V Magnitude 18.9 mag
Solar Elongation -158.2 deg
Galactic Latitude 60.57 deg
Rate 0.164 deg/day
Direction -69.532 deg

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