AstDyS-2

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AstDyS ∴ Objects ∴ 1998HW99 ∴ Summary
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(22588) 1998HW99  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.69521 1.169e-08 au
e 0.127747 4.529e-08
i 13.978 4.915e-06 deg
Ω 55.544 1.628e-05 deg
ω 187.204 2.348e-05 deg
M 289.828 1.78e-05 deg

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Other useful info
Absolute Magnitude (H)    14.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3509 au
Aphelion 3.0395 au
Asc. node-Earth separation 2.04823 au
Desc. node-Earth separation 1.34176 au
Earth MOID 1.33898 au
Orbital period 1616.18 days
Date of orbit computation  apr 23 19:50
Observational summary
Optical observations (Discarded) 1768 (211)
Radar observations (Discarded) 0 (0)
Arc length 16096.3 days
Unobserved 73 days

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Ephemeris at epoch 60461 MJD
Right Ascension 156.714 deg
Declination 23.2435 deg
V Magnitude 19.89 mag
Solar Elongation -80.38 deg
Galactic Latitude 57.17 deg
Rate 0.297 deg/day
Direction 129.674 deg

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