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AstDyS ∴ Objects ∴ 1998HW154 ∴ Summary
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(168412) 1998HW154  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.35613 7.563e-09 au
e 0.16716 3.797e-08
i 1.894 4.444e-06 deg
Ω 189.868 0.0001113 deg
ω 296.746 0.000112 deg
M 116.628 1.236e-05 deg

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Other useful info
Absolute Magnitude (H)    16.4 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9623 au
Aphelion 2.75 au
Asc. node-Earth separation 1.13142 au
Desc. node-Earth separation 1.47644 au
Earth MOID 0.97884 au
Orbital period 1320.98 days
Date of orbit computation  feb 22 02:26
Observational summary
Optical observations (Discarded) 950 (5)
Radar observations (Discarded) 0 (0)
Arc length 9156.91 days
Unobserved 347 days

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Ephemeris at epoch 60398 MJD
Right Ascension 281.83 deg
Declination -21.1135 deg
V Magnitude 21.49 mag
Solar Elongation 87.43 deg
Galactic Latitude -8.59 deg
Rate 0.233 deg/day
Direction 82.079 deg

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