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AstDyS ∴ Objects ∴ 1999AA21 ∴ Summary
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(56086) 1999AA21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.43667 6.676e-09 au
e 0.206814 3.959e-08
i 23.713 4.665e-06 deg
Ω 333.082 6.766e-06 deg
ω 35.316 1.11e-05 deg
M 320.66 7.744e-06 deg

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Other useful info
Absolute Magnitude (H)    13.4 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9327 au
Aphelion 2.9406 au
Asc. node-Earth separation 0.98552 au
Desc. node-Earth separation 1.81716 au
Earth MOID 0.9578 au
Orbital period 1389.29 days
Date of orbit computation  apr 23 19:58
Observational summary
Optical observations (Discarded) 3224 (110)
Radar observations (Discarded) 0 (0)
Arc length 15958 days
Unobserved 204 days

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Ephemeris at epoch 60426 MJD
Right Ascension 346.707 deg
Declination -10.423 deg
V Magnitude 18.06 mag
Solar Elongation 52.33 deg
Galactic Latitude -60.25 deg
Rate 0.513 deg/day
Direction 55.856 deg

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