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AstDyS ∴ Objects ∴ 1999RG121 ∴ Summary
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(20563) 1999RG121  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.59897 9.82e-09 au
e 0.145737 2.748e-08
i 13.57 3.713e-06 deg
Ω 198.261 1.328e-05 deg
ω 239.488 1.918e-05 deg
M 221.081 1.477e-05 deg

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Other useful info
Absolute Magnitude (H)    14.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2202 au
Aphelion 2.9777 au
Asc. node-Earth separation 1.7458 au
Desc. node-Earth separation 1.37101 au
Earth MOID 1.26677 au
Orbital period 1530.38 days
Date of orbit computation  apr 23 19:50
Observational summary
Optical observations (Discarded) 2637 (11)
Radar observations (Discarded) 0 (0)
Arc length 13074.8 days
Unobserved 282 days

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Ephemeris at epoch 60426 MJD
Right Ascension 313.541 deg
Declination -3.29154 deg
V Magnitude 19.54 mag
Solar Elongation 81.14 deg
Galactic Latitude -28.66 deg
Rate 0.251 deg/day
Direction 60.145 deg

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