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AstDyS ∴ Objects ∴ 1999AY21 ∴ Summary
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(16001) 1999AY21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.11664 1.647e-08 au
e 0.094336 4.09e-08
i 4.836 4.489e-06 deg
Ω 193.414 4.227e-05 deg
ω 351.738 4.748e-05 deg
M 169.134 2.044e-05 deg

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Other useful info
Absolute Magnitude (H)    14.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.8226 au
Aphelion 3.4106 au
Asc. node-Earth separation 1.82532 au
Desc. node-Earth separation 2.40804 au
Earth MOID 1.82457 au
Orbital period 2009.68 days
Date of orbit computation  feb 22 01:53
Observational summary
Optical observations (Discarded) 1528 (12)
Radar observations (Discarded) 0 (0)
Arc length 11755.8 days
Unobserved 137 days

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Ephemeris at epoch 60423 MJD
Right Ascension 6.07446 deg
Declination 3.62992 deg
V Magnitude 20.79 mag
Solar Elongation 26 deg
Galactic Latitude -58.55 deg
Rate 0.324 deg/day
Direction 68.183 deg

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