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(56311) 1999RA221  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.17914 6.565e-09 au
e 0.168262 3.493e-08
i 5.558 4.319e-06 deg
Ω 57.051 4.022e-05 deg
ω 268.014 4.249e-05 deg
M 250.483 1.557e-05 deg

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Other useful info
Absolute Magnitude (H)    16.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8125 au
Aphelion 2.5458 au
Asc. node-Earth separation 1.14216 au
Desc. node-Earth separation 1.09382 au
Earth MOID 0.8109 au
Orbital period 1174.97 days
Date of orbit computation  feb 22 02:02
Observational summary
Optical observations (Discarded) 755 (5)
Radar observations (Discarded) 0 (0)
Arc length 10486.4 days
Unobserved 122 days

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Ephemeris at epoch 60419 MJD
Right Ascension 200.47 deg
Declination -2.87425 deg
V Magnitude 19.43 mag
Solar Elongation -169.46 deg
Galactic Latitude 59.11 deg
Rate 0.277 deg/day
Direction -76.697 deg

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