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AstDyS ∴ Objects ∴ 1998HW144 ∴ Summary
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(58889) 1998HW144  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.2303 7.925e-09 au
e 0.133519 3.334e-08
i 4.407 4.709e-06 deg
Ω 142.097 5.979e-05 deg
ω 140.776 6.382e-05 deg
M 228.296 2.385e-05 deg

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Other useful info
Absolute Magnitude (H)    16.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9325 au
Aphelion 2.5281 au
Asc. node-Earth separation 1.45683 au
Desc. node-Earth separation 0.97259 au
Earth MOID 0.9183 au
Orbital period 1216.59 days
Date of orbit computation  feb 22 02:02
Observational summary
Optical observations (Discarded) 863 (5)
Radar observations (Discarded) 0 (0)
Arc length 11002.1 days
Unobserved 77 days

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Ephemeris at epoch 60419 MJD
Right Ascension 123.482 deg
Declination 20.1878 deg
V Magnitude 21.27 mag
Solar Elongation -92.09 deg
Galactic Latitude 26.84 deg
Rate 0.217 deg/day
Direction 97.54 deg

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