NEODyS-2

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(54509) YORP  ▹ 
SUMMARY
Keplerian elements at epoch
57800.0 MJD
Value 1-σ variation Units
a 1.00626 1.675e-09 au
e 0.230216 1.198e-07
i 1.599 3.782e-06 deg
Ω 278.283 6.45e-05 deg
ω 278.862 6.211e-05 deg
M 244.37 4.161e-06 deg

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Other useful info
Absolute Magnitude (H)    22.6 mag
Slope parameter (G)    0.15 mag
Perihelion 0.7746 au
Aphelion 1.2379 au
Asc. node-Earth separation -0.09567 au
Desc. node-Earth separation 0.00482 au
Earth MOID 0.00057 au
Orbital period 368.689 days
Date of orbit computation   Nov 18 15:10
Observational summary
Optical observations (Discarded) 548 (5)
Radar observations (Discarded) 5 (0)
Arc length 1827 days
Unobserved 4288 days

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Ephemeris at epoch 57874 MJD
Right Ascension 81.099 deg
Declination 22.6073 deg
V Magnitude 24.72 mag
Solar Elongation -41.21 deg
Galactic Latitude -7.43 deg
Rate 0.969 deg/day
Direction 87.629 deg

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