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AstDyS ∴ Objects ∴ 1990UR4 ∴ Summary
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(16511) 1990UR4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.31801 6.479e-09 au
e 0.072482 3.169e-08
i 6.324 2.537e-06 deg
Ω 80.534 3.09e-05 deg
ω 78.048 3.595e-05 deg
M 56.299 1.795e-05 deg

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Other useful info
Absolute Magnitude (H)    15.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.15 au
Aphelion 2.486 au
Asc. node-Earth separation 1.28806 au
Desc. node-Earth separation 1.32539 au
Earth MOID 1.1701 au
Orbital period 1289.06 days
Date of orbit computation  feb 22 01:53
Observational summary
Optical observations (Discarded) 3325 (649)
Radar observations (Discarded) 0 (0)
Arc length 14835.6 days
Unobserved 388 days

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Ephemeris at epoch 60397 MJD
Right Ascension 242.271 deg
Declination -14.9847 deg
V Magnitude 18.75 mag
Solar Elongation 124.13 deg
Galactic Latitude 26.2 deg
Rate 0.04 deg/day
Direction 99.831 deg

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