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AstDyS ∴ Objects ∴ 1998QU4 ∴ Summary
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(257544) 1998QU4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.00739 2.994e-08 au
e 0.112827 7.005e-08
i 7.47 5.498e-06 deg
Ω 292.118 5.488e-05 deg
ω 81.411 6.038e-05 deg
M 294.242 2.521e-05 deg

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Other useful info
Absolute Magnitude (H)    15.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6681 au
Aphelion 3.3467 au
Asc. node-Earth separation 1.90335 au
Desc. node-Earth separation 2.03725 au
Earth MOID 1.6814 au
Orbital period 1904.94 days
Date of orbit computation  apr 23 20:44
Observational summary
Optical observations (Discarded) 540 (2)
Radar observations (Discarded) 0 (0)
Arc length 9068.68 days
Unobserved 308 days

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Ephemeris at epoch 60426 MJD
Right Ascension 322.451 deg
Declination -13.6692 deg
V Magnitude 20.8 mag
Solar Elongation 75.52 deg
Galactic Latitude -41.21 deg
Rate 0.283 deg/day
Direction 65.456 deg

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