AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998HW ∴ Summary
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(17827) 1998HW  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.74922 1.002e-08 au
e 0.159269 2.725e-08
i 14.144 3.879e-06 deg
Ω 188.261 1.239e-05 deg
ω 293.625 1.801e-05 deg
M 319.321 1.44e-05 deg

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Other useful info
Absolute Magnitude (H)    13.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3114 au
Aphelion 3.1871 au
Asc. node-Earth separation 1.52044 au
Desc. node-Earth separation 1.8617 au
Earth MOID 1.36655 au
Orbital period 1665 days
Date of orbit computation  apr 23 19:49
Observational summary
Optical observations (Discarded) 3164 (13)
Radar observations (Discarded) 0 (0)
Arc length 15509.9 days
Unobserved 49 days

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Ephemeris at epoch 60426 MJD
Right Ascension 62.5135 deg
Declination 11.3159 deg
V Magnitude 18.49 mag
Solar Elongation -28.29 deg
Galactic Latitude -28.39 deg
Rate 0.461 deg/day
Direction 79.608 deg

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