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AstDyS ∴ Objects ∴ 1999AU9 ∴ Summary
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(31411) 1999AU9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.19371 5.177e-09 au
e 0.128627 3.513e-08
i 5.391 3.062e-06 deg
Ω 76.121 3.569e-05 deg
ω 308.886 3.751e-05 deg
M 16.662 1.094e-05 deg

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Other useful info
Absolute Magnitude (H)    15.0 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9115 au
Aphelion 2.4759 au
Asc. node-Earth separation 1.01179 au
Desc. node-Earth separation 1.33219 au
Earth MOID 0.9214 au
Orbital period 1186.77 days
Date of orbit computation  feb 22 01:56
Observational summary
Optical observations (Discarded) 2591 (13)
Radar observations (Discarded) 0 (0)
Arc length 16447.8 days
Unobserved 130 days

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Ephemeris at epoch 60420 MJD
Right Ascension 44.1374 deg
Declination 15.4006 deg
V Magnitude 19.35 mag
Solar Elongation -16.18 deg
Galactic Latitude -37.75 deg
Rate 0.583 deg/day
Direction 71.062 deg

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