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AstDyS ∴ Objects ∴ 1990QH4 ∴ Summary
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(100020) 1990QH4  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.225 1.213e-08 au
e 0.189861 7.191e-08
i 4.481 7.253e-06 deg
Ω 346.728 7.046e-05 deg
ω 358.654 7.241e-05 deg
M 163.184 2.059e-05 deg

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Other useful info
Absolute Magnitude (H)    15.9 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8026 au
Aphelion 2.6474 au
Asc. node-Earth separation 0.79535 au
Desc. node-Earth separation 1.65319 au
Earth MOID 0.79449 au
Orbital period 1212.25 days
Date of orbit computation  Dec 20 14:24
Observational summary
Optical observations (Discarded) 637 (6)
Radar observations (Discarded) 0 (0)
Arc length 10039.9 days
Unobserved 436 days

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Ephemeris at epoch 58580 MJD
Right Ascension 185.838 deg
Declination -5.80173 deg
V Magnitude 19.37 mag
Solar Elongation -170.54 deg
Galactic Latitude 56.38 deg
Rate 0.266 deg/day
Direction -71.432 deg

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