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(257594) 1999RA31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.30378 5.459e-09 au
e 0.307203 5.363e-08
i 23.117 7.114e-06 deg
Ω 349.973 9.495e-06 deg
ω 74.037 2.182e-05 deg
M 332.387 1.376e-05 deg

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Other useful info
Absolute Magnitude (H)    15.7 mag
Slope parameter (G)    0.15 mag
Perihelion 1.5961 au
Aphelion 3.0115 au
Asc. node-Earth separation 0.91807 au
Desc. node-Earth separation 1.28584 au
Earth MOID 0.74322 au
Orbital period 1277.21 days
Date of orbit computation  feb 22 02:45
Observational summary
Optical observations (Discarded) 1291 (0)
Radar observations (Discarded) 0 (0)
Arc length 8209.17 days
Unobserved 783 days

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Ephemeris at epoch 60423 MJD
Right Ascension 20.9713 deg
Declination 17.3759 deg
V Magnitude 19.47 mag
Solar Elongation 10.66 deg
Galactic Latitude -44.81 deg
Rate 0.675 deg/day
Direction 59.16 deg

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