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AstDyS ∴ Objects ∴ 1990RD1 ∴ Summary
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(15256) 1990RD1  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.16288 2.193e-08 au
e 0.083142 4.072e-08
i 9.596 5.042e-06 deg
Ω 169.454 2.501e-05 deg
ω 248.48 3.936e-05 deg
M 292.695 3.216e-05 deg

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Other useful info
Absolute Magnitude (H)    12.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.8999 au
Aphelion 3.4258 au
Asc. node-Earth separation 2.245 au
Desc. node-Earth separation 2.04152 au
Earth MOID 1.92778 au
Orbital period 2054.57 days
Date of orbit computation  Dec 20 14:14
Observational summary
Optical observations (Discarded) 1801 (6)
Radar observations (Discarded) 0 (0)
Arc length 12038.1 days
Unobserved 182 days

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Ephemeris at epoch 58580 MJD
Right Ascension 15.9671 deg
Declination 3.3336 deg
V Magnitude 18.23 mag
Solar Elongation 3.27 deg
Galactic Latitude -59.39 deg
Rate 0.397 deg/day
Direction 70.661 deg

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