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AstDyS ∴ Objects ∴ 1998HT ∴ Summary
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(39972) 1998HT  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.64465 1.272e-08 au
e 0.203662 4.652e-08
i 4.803 4.992e-06 deg
Ω 140.506 5.357e-05 deg
ω 183.095 5.476e-05 deg
M 276.978 1.28e-05 deg

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Other useful info
Absolute Magnitude (H)    15.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.106 au
Aphelion 3.1833 au
Asc. node-Earth separation 2.19579 au
Desc. node-Earth separation 1.09373 au
Earth MOID 1.09359 au
Orbital period 1570.91 days
Date of orbit computation  apr 23 19:54
Observational summary
Optical observations (Discarded) 1068 (11)
Radar observations (Discarded) 0 (0)
Arc length 14662.3 days
Unobserved 39 days

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Ephemeris at epoch 60427 MJD
Right Ascension 226.978 deg
Declination -9.62912 deg
V Magnitude 18.64 mag
Solar Elongation 167.14 deg
Galactic Latitude 40.55 deg
Rate 0.218 deg/day
Direction -68.914 deg

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