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AstDyS ∴ Objects ∴ 1999RR209 ∴ Summary
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(121311) 1999RR209  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.06863 1.793e-08 au
e 0.144369 5.211e-08
i 9.136 4.898e-06 deg
Ω 270.83 3.408e-05 deg
ω 91.369 4.051e-05 deg
M 215.161 2.065e-05 deg

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Other useful info
Absolute Magnitude (H)    15.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6256 au
Aphelion 3.5116 au
Asc. node-Earth separation 1.99852 au
Desc. node-Earth separation 2.01159 au
Earth MOID 1.64331 au
Orbital period 1963.43 days
Date of orbit computation  apr 23 20:13
Observational summary
Optical observations (Discarded) 645 (4)
Radar observations (Discarded) 0 (0)
Arc length 8594.03 days
Unobserved 437 days

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Ephemeris at epoch 60460 MJD
Right Ascension 200.954 deg
Declination -19.1473 deg
V Magnitude 20.69 mag
Solar Elongation -136.9 deg
Galactic Latitude 43.06 deg
Rate 0.108 deg/day
Direction -38.638 deg

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