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AstDyS ∴ Objects ∴ 1998HN42 ∴ Summary
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(120816) 1998HN42  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.65493 1.365e-08 au
e 0.12488 3.881e-08
i 13.366 5.968e-06 deg
Ω 37.23 1.863e-05 deg
ω 95.866 3.223e-05 deg
M 47.19 2.605e-05 deg

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Other useful info
Absolute Magnitude (H)    15.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3234 au
Aphelion 2.9865 au
Asc. node-Earth separation 1.65523 au
Desc. node-Earth separation 1.57381 au
Earth MOID 1.38239 au
Orbital period 1580.07 days
Date of orbit computation  apr 23 20:13
Observational summary
Optical observations (Discarded) 980 (4)
Radar observations (Discarded) 0 (0)
Arc length 9466.13 days
Unobserved 35 days

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Ephemeris at epoch 60426 MJD
Right Ascension 190.351 deg
Declination 2.87249 deg
V Magnitude 18.88 mag
Solar Elongation -151.71 deg
Galactic Latitude 65.63 deg
Rate 0.197 deg/day
Direction -103.226 deg

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