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AstDyS ∴ Objects ∴ 1998EX9 ∴ Summary
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(181791) 1998EX9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.2016 8.154e-09 au
e 0.122861 6.723e-08
i 4.513 7.337e-06 deg
Ω 176.538 5.566e-05 deg
ω 46.788 5.977e-05 deg
M 309.619 2.03e-05 deg

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Other useful info
Absolute Magnitude (H)    17.1 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9311 au
Aphelion 2.4721 au
Asc. node-Earth separation 1.00521 au
Desc. node-Earth separation 1.36365 au
Earth MOID 0.92606 au
Orbital period 1193.18 days
Date of orbit computation  feb 22 02:29
Observational summary
Optical observations (Discarded) 493 (5)
Radar observations (Discarded) 0 (0)
Arc length 9448.81 days
Unobserved 67 days

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Ephemeris at epoch 60397 MJD
Right Ascension 140.316 deg
Declination 13.267 deg
V Magnitude 20.26 mag
Solar Elongation -131.05 deg
Galactic Latitude 39.16 deg
Rate 0.061 deg/day
Direction -6.975 deg

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