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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 7.916e-09 au
e 0.133519 3.332e-08
i 4.407 4.706e-06 deg
Ω 142.097 5.951e-05 deg
ω 140.776 6.354e-05 deg
M 228.296 2.382e-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  Jun 5 00:49
Observational summary
Optical observations (Discarded) 874 (5)
Radar observations (Discarded) 0 (0)
Arc length 11070.9 days
Unobserved 67 days

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Ephemeris at epoch 60478 MJD
Right Ascension 142.913 deg
Declination 15.8902 deg
V Magnitude 21.63 mag
Solar Elongation -54.16 deg
Galactic Latitude 42.51 deg
Rate 0.398 deg/day
Direction 106.815 deg

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