AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999UU21 ∴ Summary
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(155548) 1999UU21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.87303 2.415e-08 au
e 0.017321 5.949e-08
i 2.507 7.973e-06 deg
Ω 41.906 0.0001903 deg
ω 204.189 0.0003702 deg
M 154.165 0.0003214 deg

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Other useful info
Absolute Magnitude (H)    16.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.8233 au
Aphelion 2.9228 au
Asc. node-Earth separation 1.92731 au
Desc. node-Earth separation 1.81958 au
Earth MOID 1.8095 au
Orbital period 1778.73 days
Date of orbit computation  apr 23 20:21
Observational summary
Optical observations (Discarded) 260 (2)
Radar observations (Discarded) 0 (0)
Arc length 8761.05 days
Unobserved 191 days

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Ephemeris at epoch 60425 MJD
Right Ascension 40.6815 deg
Declination 15.9206 deg
V Magnitude 22.22 mag
Solar Elongation -8.23 deg
Galactic Latitude -39.19 deg
Rate 0.393 deg/day
Direction 71.527 deg

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