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AstDyS ∴ Objects ∴ 1999RR209 ∴ Summary
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(121311) 1999RR209  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.06515 3.476e-08 au
e 0.148337 9.629e-08
i 9.138 7.491e-06 deg
Ω 270.913 5.16e-05 deg
ω 91.202 6.195e-05 deg
M 208.511 3.184e-05 deg

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Other useful info
Absolute Magnitude (H)    15.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6105 au
Aphelion 3.5198 au
Asc. node-Earth separation 1.98942 au
Desc. node-Earth separation 2.00421 au
Earth MOID 1.6276 au
Orbital period 1960.09 days
Date of orbit computation  Oct 31 06:12
Observational summary
Optical observations (Discarded) 362 (3)
Radar observations (Discarded) 0 (0)
Arc length 6770.93 days
Unobserved 366 days

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Ephemeris at epoch 58565 MJD
Right Ascension 239.785 deg
Declination -28.2618 deg
V Magnitude 20.73 mag
Solar Elongation 118.1 deg
Galactic Latitude 18.63 deg
Rate 0.022 deg/day
Direction 141.328 deg

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