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AstDyS ∴ Objects ∴ 1999HW3 ∴ Summary
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(121122) 1999HW3  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.36919 9.794e-09 au
e 0.195917 4.102e-08
i 2.419 4.659e-06 deg
Ω 261.584 0.0001108 deg
ω 295.755 0.0001116 deg
M 316.426 1.458e-05 deg

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Other useful info
Absolute Magnitude (H)    16.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.905 au
Aphelion 2.8334 au
Asc. node-Earth separation 1.08452 au
Desc. node-Earth separation 1.50574 au
Earth MOID 0.90493 au
Orbital period 1331.98 days
Date of orbit computation  apr 23 20:13
Observational summary
Optical observations (Discarded) 645 (1)
Radar observations (Discarded) 0 (0)
Arc length 9058.68 days
Unobserved 77 days

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Ephemeris at epoch 60427 MJD
Right Ascension 117.264 deg
Declination 18.8118 deg
V Magnitude 20.91 mag
Solar Elongation -78.83 deg
Galactic Latitude 20.89 deg
Rate 0.387 deg/day
Direction 99.754 deg

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