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AstDyS ∴ Objects ∴ 1998HE122 ∴ Summary
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(120828) 1998HE122  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.68074 1.173e-08 au
e 0.209153 4.827e-08
i 13.946 5.278e-06 deg
Ω 80.345 1.976e-05 deg
ω 106.677 2.349e-05 deg
M 342.626 1.198e-05 deg

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Other useful info
Absolute Magnitude (H)    15.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.12 au
Aphelion 3.2414 au
Asc. node-Earth separation 1.74353 au
Desc. node-Earth separation 1.40273 au
Earth MOID 1.16798 au
Orbital period 1603.17 days
Date of orbit computation  apr 23 20:13
Observational summary
Optical observations (Discarded) 1166 (8)
Radar observations (Discarded) 0 (0)
Arc length 9462.01 days
Unobserved 36 days

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Ephemeris at epoch 60426 MJD
Right Ascension 150.256 deg
Declination 31.5451 deg
V Magnitude 19.08 mag
Solar Elongation -104.45 deg
Galactic Latitude 52.83 deg
Rate 0.245 deg/day
Direction 137.779 deg

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