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AstDyS ∴ Objects ∴ 1999RQ21 ∴ Summary
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(333899) 1999RQ21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.71545 1.59e-08 au
e 0.225635 4.745e-08
i 2.65 5.46e-06 deg
Ω 54.889 0.0001189 deg
ω 348.506 0.0001198 deg
M 145.49 1.408e-05 deg

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Other useful info
Absolute Magnitude (H)    16.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1027 au
Aphelion 3.3281 au
Asc. node-Earth separation 1.12252 au
Desc. node-Earth separation 2.29798 au
Earth MOID 1.11198 au
Orbital period 1634.41 days
Date of orbit computation  apr 23 21:00
Observational summary
Optical observations (Discarded) 487 (6)
Radar observations (Discarded) 0 (0)
Arc length 8920.24 days
Unobserved 75 days

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Ephemeris at epoch 60425 MJD
Right Ascension 199.018 deg
Declination -5.97031 deg
V Magnitude 21.01 mag
Solar Elongation -164.74 deg
Galactic Latitude 56.37 deg
Rate 0.203 deg/day
Direction -71.166 deg

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