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AstDyS ∴ Objects ∴ 1998HE9 ∴ Summary
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(350461) 1998HE9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.0327 2.792e-08 au
e 0.149263 7.065e-08
i 10.515 7.643e-06 deg
Ω 160.475 4.06e-05 deg
ω 11.164 4.923e-05 deg
M 2.212 3.117e-05 deg

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Other useful info
Absolute Magnitude (H)    16.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.58 au
Aphelion 3.4854 au
Asc. node-Earth separation 1.5958 au
Desc. node-Earth separation 2.46551 au
Earth MOID 1.58744 au
Orbital period 1929.04 days
Date of orbit computation  feb 22 03:04
Observational summary
Optical observations (Discarded) 188 (0)
Radar observations (Discarded) 0 (0)
Arc length 9034.92 days
Unobserved 462 days

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Ephemeris at epoch 60419 MJD
Right Ascension 166.127 deg
Declination 11.2838 deg
V Magnitude 20.99 mag
Solar Elongation -133.56 deg
Galactic Latitude 60.31 deg
Rate 0.054 deg/day
Direction -21.592 deg

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