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(16639) 1993QD4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.29559 5.393e-09 au
e 0.117617 4.41e-08
i 2.692 4.033e-06 deg
Ω 348.05 6.572e-05 deg
ω 8.412 6.685e-05 deg
M 276.092 1.297e-05 deg

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Other useful info
Absolute Magnitude (H)    14.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0256 au
Aphelion 2.5656 au
Asc. node-Earth separation 1.0216 au
Desc. node-Earth separation 1.56937 au
Earth MOID 1.02099 au
Orbital period 1270.4 days
Date of orbit computation  apr 23 19:49
Observational summary
Optical observations (Discarded) 3061 (17)
Radar observations (Discarded) 0 (0)
Arc length 19353.7 days
Unobserved 35 days

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Ephemeris at epoch 60425 MJD
Right Ascension 294.194 deg
Declination -24.9505 deg
V Magnitude 18.58 mag
Solar Elongation 103.07 deg
Galactic Latitude -20.54 deg
Rate 0.23 deg/day
Direction 85.445 deg

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