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AstDyS ∴ Objects ∴ 1998HS42 ∴ Summary
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(20328) 1998HS42  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.77285 9.521e-09 au
e 0.27682 2.232e-08
i 8.351 3.98e-06 deg
Ω 153.886 2.014e-05 deg
ω 108.115 2.186e-05 deg
M 188.375 7.725e-06 deg

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Other useful info
Absolute Magnitude (H)    14.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0053 au
Aphelion 3.5404 au
Asc. node-Earth separation 1.81262 au
Desc. node-Earth separation 1.34741 au
Earth MOID 1.00869 au
Orbital period 1686.5 days
Date of orbit computation  apr 23 19:50
Observational summary
Optical observations (Discarded) 2745 (9)
Radar observations (Discarded) 0 (0)
Arc length 10787 days
Unobserved 63 days

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Ephemeris at epoch 60426 MJD
Right Ascension 78.6933 deg
Declination 16.7187 deg
V Magnitude 20.53 mag
Solar Elongation -43.56 deg
Galactic Latitude -12.58 deg
Rate 0.272 deg/day
Direction 80.743 deg

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