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AstDyS ∴ Objects ∴ 1998HU57 ∴ Summary
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(31329) 1998HU57  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.17989 1.586e-08 au
e 0.071832 3.279e-08
i 6.225 4.426e-06 deg
Ω 20.939 3.115e-05 deg
ω 45.381 4.409e-05 deg
M 347.43 3.184e-05 deg

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Other useful info
Absolute Magnitude (H)    13.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.9515 au
Aphelion 3.4083 au
Asc. node-Earth separation 2.01488 au
Desc. node-Earth separation 2.32946 au
Earth MOID 1.96919 au
Orbital period 2071.17 days
Date of orbit computation  apr 23 19:52
Observational summary
Optical observations (Discarded) 2133 (6)
Radar observations (Discarded) 0 (0)
Arc length 14290.1 days
Unobserved 102 days

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Ephemeris at epoch 60426 MJD
Right Ascension 48.3667 deg
Declination 20.8206 deg
V Magnitude 19.47 mag
Solar Elongation -15.87 deg
Galactic Latitude -31 deg
Rate 0.391 deg/day
Direction 73.115 deg

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