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NEODyS ∴ Objects ∴ 1998HT31 ∴ Summary
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1998HT31  ▹ 
SUMMARY
Keplerian elements at epoch
58000.0 MJD
Value 1-σ variation Units
a 2.50764 0.008912 au
e 0.692144 0.00142
i 6.773 0.01084 deg
Ω 213.581 0.03869 deg
ω 80.641 0.04016 deg
M 302.265 6.568 deg

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Other useful info
Absolute Magnitude (H)    20.8 mag
Slope parameter (G)    0.15 mag
Perihelion 0.772 au
Aphelion 4.2433 au
Asc. node-Earth separation 0.16969 au
Desc. node-Earth separation 0.47856 au
Earth MOID 0.03182 au
Orbital period 1450.43 days
Date of orbit computation   Oct 9 17:45
Observational summary
Optical observations (Discarded) 147 (15)
Radar observations (Discarded) 0 (0)
Arc length 19 days
Unobserved 7133 days

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Ephemeris at epoch 58076 MJD
Right Ascension 187.749 deg
Declination -7.36563 deg
V Magnitude 25.6 mag
Solar Elongation 46.69 deg
Galactic Latitude 55.15 deg
Rate 0.497 deg/day
Direction 112.421 deg

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