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AstDyS ∴ Objects ∴ 1989RD1 ∴ Summary
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(13511) 1989RD1  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.66738 1.014e-08 au
e 0.190131 3.103e-08
i 13.302 3.629e-06 deg
Ω 86.7 1.439e-05 deg
ω 261.593 1.797e-05 deg
M 326.18 1.171e-05 deg

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Other useful info
Absolute Magnitude (H)    13.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1602 au
Aphelion 3.1745 au
Asc. node-Earth separation 1.66107 au
Desc. node-Earth separation 1.48551 au
Earth MOID 1.20067 au
Orbital period 1591.2 days
Date of orbit computation  apr 23 19:48
Observational summary
Optical observations (Discarded) 2982 (255)
Radar observations (Discarded) 0 (0)
Arc length 12429.6 days
Unobserved 256 days

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Ephemeris at epoch 60427 MJD
Right Ascension 336.461 deg
Declination -18.3522 deg
V Magnitude 18.49 mag
Solar Elongation 65.67 deg
Galactic Latitude -55.44 deg
Rate 0.45 deg/day
Direction 78.975 deg

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