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1998HT31  ▹ 
SUMMARY
Keplerian elements
(Epoch 58800.0 MJD)
Value 1-σ variation Units
a 2.5069 0.01289 au
e 0.691998 0.001987
i 6.771 0.008515 deg
Ω 213.564 0.07123 deg
ω 80.656 0.06975 deg
M 142.091 10.42 deg

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Other useful info
Absolute Magnitude (H)    20.8 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.7721 au
Aphelion distance 4.2417 au
Asc. node-Earth separation 0.17044 au
Desc. node-Earth separation 0.47817 au
Earth MOID 0.03199 au
Orbital period 1449.79 days
Date of orbit computation   Oct 14 15:32
Observational summary
Optical observations (Discarded) 147 (4)
Radar observations (Discarded) 0 (0)
Arc length 19 days
Unobserved 7831 days

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Ephemeris
(Epoch 58774 MJD)
Right Ascension 117.612 deg
Declination 14.4578 deg
V Magnitude 27.67 mag
Solar Elongation 87.21 deg
Galactic Latitude 19.47 deg
Rate 0.074 deg/day
Direction 123.597 deg

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