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AstDyS ∴ Objects ∴ 1998HP42 ∴ Summary
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(16943) 1998HP42  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.59844 7.887e-09 au
e 0.175965 4.455e-08
i 14.188 4.023e-06 deg
Ω 69.53 1.438e-05 deg
ω 339.258 1.746e-05 deg
M 209.162 9.305e-06 deg

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Other useful info
Absolute Magnitude (H)    12.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1412 au
Aphelion 3.0557 au
Asc. node-Earth separation 1.17693 au
Desc. node-Earth separation 2.00007 au
Earth MOID 1.15823 au
Orbital period 1529.91 days
Date of orbit computation  feb 22 01:53
Observational summary
Optical observations (Discarded) 3035 (9)
Radar observations (Discarded) 0 (0)
Arc length 23679.8 days
Unobserved 253 days

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Ephemeris at epoch 60423 MJD
Right Ascension 269.926 deg
Declination -24.763 deg
V Magnitude 17.87 mag
Solar Elongation 123.06 deg
Galactic Latitude -0.58 deg
Rate 0.063 deg/day
Direction -171.144 deg

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