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(21740) 1999RR159  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.66706 1.114e-08 au
e 0.197125 6.93e-08
i 11.924 6.471e-06 deg
Ω 357.76 1.88e-05 deg
ω 14.079 2.221e-05 deg
M 212.214 9.239e-06 deg

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Other useful info
Absolute Magnitude (H)    14.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1413 au
Aphelion 3.1928 au
Asc. node-Earth separation 1.14843 au
Desc. node-Earth separation 2.17418 au
Earth MOID 1.14265 au
Orbital period 1590.92 days
Date of orbit computation  feb 22 01:54
Observational summary
Optical observations (Discarded) 1217 (5)
Radar observations (Discarded) 0 (0)
Arc length 18099.4 days
Unobserved 374 days

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Ephemeris at epoch 60419 MJD
Right Ascension 213.95 deg
Declination -25.307 deg
V Magnitude 19.34 mag
Solar Elongation 164.41 deg
Galactic Latitude 33.76 deg
Rate 0.221 deg/day
Direction -84.763 deg

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