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AstDyS ∴ Objects ∴ 1990US4 ∴ Summary
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(14874) 1990US4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.32957 5.876e-09 au
e 0.19692 2.394e-08
i 7.07 2.445e-06 deg
Ω 76.356 2.238e-05 deg
ω 218.711 2.319e-05 deg
M 221.213 6.559e-06 deg

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Other useful info
Absolute Magnitude (H)    13.9 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8708 au
Aphelion 2.7883 au
Asc. node-Earth separation 1.6613 au
Desc. node-Earth separation 0.92615 au
Earth MOID 0.86057 au
Orbital period 1298.71 days
Date of orbit computation  apr 23 19:49
Observational summary
Optical observations (Discarded) 4295 (33)
Radar observations (Discarded) 0 (0)
Arc length 12207.1 days
Unobserved 36 days

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Ephemeris at epoch 60425 MJD
Right Ascension 131.004 deg
Declination 25.7462 deg
V Magnitude 19.07 mag
Solar Elongation -91.61 deg
Galactic Latitude 35.18 deg
Rate 0.182 deg/day
Direction 115.376 deg

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