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AstDyS ∴ Objects ∴ 1991RL18 ∴ Summary
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(42489) 1991RL18  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.5997 1.216e-08 au
e 0.183767 3.364e-08
i 12.746 4.182e-06 deg
Ω 179.504 1.51e-05 deg
ω 223.428 1.977e-05 deg
M 240.126 1.558e-05 deg

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Other useful info
Absolute Magnitude (H)    14.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.122 au
Aphelion 3.0774 au
Asc. node-Earth separation 1.90303 au
Desc. node-Earth separation 1.21311 au
Earth MOID 1.14716 au
Orbital period 1531.02 days
Date of orbit computation  feb 22 01:59
Observational summary
Optical observations (Discarded) 1771 (10)
Radar observations (Discarded) 0 (0)
Arc length 12028 days
Unobserved 310 days

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Ephemeris at epoch 60398 MJD
Right Ascension 286.696 deg
Declination -9.59789 deg
V Magnitude 20.18 mag
Solar Elongation 81.78 deg
Galactic Latitude -7.74 deg
Rate 0.25 deg/day
Direction 68.701 deg

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