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AstDyS ∴ Objects ∴ 1998EK9 ∴ Summary
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(16913) 1998EK9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.38498 7.47e-09 au
e 0.131591 3.301e-08
i 25.88 3.227e-06 deg
Ω 125.301 8.22e-06 deg
ω 297.231 1.495e-05 deg
M 80.179 1.361e-05 deg

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Other useful info
Absolute Magnitude (H)    13.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0711 au
Aphelion 2.6988 au
Asc. node-Earth separation 1.22654 au
Desc. node-Earth separation 1.47866 au
Earth MOID 1.17066 au
Orbital period 1345.32 days
Date of orbit computation  apr 23 19:49
Observational summary
Optical observations (Discarded) 3318 (8)
Radar observations (Discarded) 0 (0)
Arc length 13571.1 days
Unobserved 36 days

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Ephemeris at epoch 60426 MJD
Right Ascension 145.777 deg
Declination 34.1461 deg
V Magnitude 17.97 mag
Solar Elongation -99.94 deg
Galactic Latitude 49.24 deg
Rate 0.17 deg/day
Direction 113.481 deg

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