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AstDyS ∴ Objects ∴ 1990HW1 ∴ Summary
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(16468) 1990HW1  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.55752 8.994e-09 au
e 0.059203 3.119e-08
i 15.297 3.878e-06 deg
Ω 135.483 1.244e-05 deg
ω 308.12 3.816e-05 deg
M 207.58 3.75e-05 deg

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Other useful info
Absolute Magnitude (H)    13.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4061 au
Aphelion 2.7089 au
Asc. node-Earth separation 1.47327 au
Desc. node-Earth separation 1.63152 au
Earth MOID 1.44752 au
Orbital period 1493.92 days
Date of orbit computation  apr 23 19:49
Observational summary
Optical observations (Discarded) 2827 (15)
Radar observations (Discarded) 0 (0)
Arc length 12155.3 days
Unobserved 261 days

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Ephemeris at epoch 60426 MJD
Right Ascension 317.075 deg
Declination -10.6073 deg
V Magnitude 19.08 mag
Solar Elongation 79.65 deg
Galactic Latitude -35.16 deg
Rate 0.27 deg/day
Direction 78.644 deg

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