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1998HT31  ▹ 
SUMMARY
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 2.50461 0.01192 au
e 0.691933 0.001966
i 6.772 0.008817 deg
Ω 213.492 0.0767 deg
ω 80.721 0.06994 deg
M 179.625 13.44 deg

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Other useful info
Absolute Magnitude (H)    20.8 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.7716 au
Aphelion distance 4.2376 au
Asc. node-Earth separation 0.16848 au
Desc. node-Earth separation 0.47672 au
Earth MOID 0.03158 au
Orbital period 1447.8 days
Date of orbit computation   feb 26 10:21
Observational summary
Optical observations (Discarded) 147 (4)
Radar observations (Discarded) 0 (0)
Arc length 19 days
Unobserved 9427 days

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Ephemeris
(Epoch 60370 MJD)
Right Ascension 100.644 deg
Declination 15.3625 deg
V Magnitude 27.48 mag
Solar Elongation -119.5 deg
Galactic Latitude 5.03 deg
Rate 0.072 deg/day
Direction -63.014 deg

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