AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998UK21 ∴ Summary
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(52987) 1998UK21  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.29103 1.304e-08 au
e 0.183754 4.913e-08
i 4.804 4.723e-06 deg
Ω 280.509 6.414e-05 deg
ω 50.238 6.574e-05 deg
M 309.39 1.664e-05 deg

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Other useful info
Absolute Magnitude (H)    15.1 mag
Slope parameter (G)    0.15 mag
Perihelion 1.87 au
Aphelion 2.712 au
Asc. node-Earth separation 0.96301 au
Desc. node-Earth separation 1.52461 au
Earth MOID 0.86248 au
Orbital period 1266.62 days
Date of orbit computation  Oct 31 05:30
Observational summary
Optical observations (Discarded) 819 (4)
Radar observations (Discarded) 0 (0)
Arc length 23624 days
Unobserved 276 days

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Ephemeris at epoch 58563 MJD
Right Ascension 337.409 deg
Declination -7.0132 deg
V Magnitude 19.39 mag
Solar Elongation 23.43 deg
Galactic Latitude -50.83 deg
Rate 0.614 deg/day
Direction 66.548 deg

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