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NEODyS ∴ Objects ∴ 1998HT31 ∴ Summary
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1998HT31  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.51227 0.005525 au
e 0.692916 0.001252
i 6.78 0.01117 deg
Ω 213.61 0.009241 deg
ω 80.607 0.01553 deg
M 36.373 8.757 deg

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Other useful info
Absolute Magnitude (H)    20.8 mag
Slope parameter (G)    0.15 mag
Perihelion 0.7715 au
Aphelion 4.2531 au
Asc. node-Earth separation 0.16573 au
Desc. node-Earth separation 0.47896 au
Earth MOID 0.03113 au
Orbital period 1454.45 days
Date of orbit computation   Oct 1 16:39
Observational summary
Optical observations (Discarded) 147 (6)
Radar observations (Discarded) 0 (0)
Arc length 19 days
Unobserved 7523 days

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Ephemeris at epoch 58466 MJD
Right Ascension 61.502 deg
Declination 14.4351 deg
V Magnitude 24.5 mag
Solar Elongation -159.66 deg
Galactic Latitude -27.12 deg
Rate 0.28 deg/day
Direction -100.263 deg

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