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AstDyS ∴ Objects ∴ 1998HE23 ∴ Summary
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(58830) 1998HE23  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.5846 1.188e-08 au
e 0.340193 3.829e-08
i 11.05 3.556e-06 deg
Ω 178.958 1.909e-05 deg
ω 108.026 2.027e-05 deg
M 33.318 8.298e-06 deg

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Other useful info
Absolute Magnitude (H)    15.2 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7053 au
Aphelion 3.4639 au
Asc. node-Earth separation 1.55878 au
Desc. node-Earth separation 1.06463 au
Earth MOID 0.72883 au
Orbital period 1517.71 days
Date of orbit computation  apr 23 19:58
Observational summary
Optical observations (Discarded) 1492 (4)
Radar observations (Discarded) 0 (0)
Arc length 12040.5 days
Unobserved 287 days

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Ephemeris at epoch 60423 MJD
Right Ascension 9.63569 deg
Declination 4.03524 deg
V Magnitude 19.86 mag
Solar Elongation 22.56 deg
Galactic Latitude -58.68 deg
Rate 0.529 deg/day
Direction 71.963 deg

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