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(39818) 1997YR4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.27144 6.523e-09 au
e 0.143723 3.529e-08
i 4.073 3.425e-06 deg
Ω 109.28 5.814e-05 deg
ω 293.043 6.005e-05 deg
M 298.497 1.466e-05 deg

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Other useful info
Absolute Magnitude (H)    15.4 mag
Slope parameter (G)    0.15 mag
Perihelion 1.945 au
Aphelion 2.5979 au
Asc. node-Earth separation 1.123 au
Desc. node-Earth separation 1.34091 au
Earth MOID 0.95817 au
Orbital period 1250.4 days
Date of orbit computation  feb 22 01:58
Observational summary
Optical observations (Discarded) 1762 (11)
Radar observations (Discarded) 0 (0)
Arc length 9311.84 days
Unobserved 278 days

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Ephemeris at epoch 60397 MJD
Right Ascension 339.852 deg
Declination -10.325 deg
V Magnitude 20.22 mag
Solar Elongation 29.99 deg
Galactic Latitude -54.68 deg
Rate 0.521 deg/day
Direction 69.846 deg

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