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AstDyS ∴ Objects ∴ 1999AR4 ∴ Summary
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(27161) 1999AR4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.71073 8.96e-09 au
e 0.200815 3.388e-08
i 9.326 3.474e-06 deg
Ω 109.386 2.264e-05 deg
ω 331.005 2.469e-05 deg
M 263.088 8.854e-06 deg

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Other useful info
Absolute Magnitude (H)    14.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1664 au
Aphelion 3.2551 au
Asc. node-Earth separation 1.22988 au
Desc. node-Earth separation 2.13933 au
Earth MOID 1.18788 au
Orbital period 1630.15 days
Date of orbit computation  feb 22 01:55
Observational summary
Optical observations (Discarded) 1798 (9)
Radar observations (Discarded) 0 (0)
Arc length 11873.5 days
Unobserved 632 days

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Ephemeris at epoch 60397 MJD
Right Ascension 335.831 deg
Declination -14.2362 deg
V Magnitude 20.28 mag
Solar Elongation 35.24 deg
Galactic Latitude -53.21 deg
Rate 0.379 deg/day
Direction 73.006 deg

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