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(16816) 1997UF9  ▹ 
SUMMARY
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.44247 3.32e-09 au
e 0.603812 6.263e-08
i 25.921 7.548e-06 deg
Ω 37.146 5.592e-06 deg
ω 158.013 6.925e-06 deg
M 341.669 1.223e-05 deg

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Other useful info
Absolute Magnitude (H)    16.2 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.5715 au
Aphelion distance 2.3135 au
Asc. node-Earth separation 1.09057 au
Desc. node-Earth separation -0.41912 au
Earth MOID 0.37997 au
Orbital period 632.792 days
Date of orbit computation   mar 31 16:35
Observational summary
Optical observations (Discarded) 1446 (6)
Radar observations (Discarded) 0 (0)
Arc length 9631 days
Unobserved 39 days

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Ephemeris
(Epoch 60420 MJD)
Right Ascension 58.0526 deg
Declination 37.3531 deg
V Magnitude 17.9 mag
Solar Elongation -37.34 deg
Galactic Latitude -12.82 deg
Rate 0.566 deg/day
Direction 109.534 deg

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