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AstDyS ∴ Objects ∴ 2001AR4 ∴ Summary
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(98831) 2001AR4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.59786 1.038e-08 au
e 0.272584 4.155e-08
i 5.612 5.919e-06 deg
Ω 152.419 3.866e-05 deg
ω 308.008 4.029e-05 deg
M 199.994 8.771e-06 deg

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Other useful info
Absolute Magnitude (H)    16.3 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8897 au
Aphelion 3.306 au
Asc. node-Earth separation 1.07041 au
Desc. node-Earth separation 1.87983 au
Earth MOID 0.91301 au
Orbital period 1529.41 days
Date of orbit computation  apr 23 20:08
Observational summary
Optical observations (Discarded) 898 (5)
Radar observations (Discarded) 0 (0)
Arc length 11069.9 days
Unobserved 289 days

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Ephemeris at epoch 60426 MJD
Right Ascension 315.51 deg
Declination -13.4214 deg
V Magnitude 22.32 mag
Solar Elongation 81.9 deg
Galactic Latitude -34.95 deg
Rate 0.188 deg/day
Direction 72.477 deg

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