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AstDyS ∴ Objects ∴ 1998EM9 ∴ Summary
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(17769) 1998EM9  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.39106 1.104e-08 au
e 0.062774 4.093e-08
i 7.651 5.619e-06 deg
Ω 27.928 3.144e-05 deg
ω 76.238 5.528e-05 deg
M 251.954 4.635e-05 deg

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Other useful info
Absolute Magnitude (H)    14.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.241 au
Aphelion 2.5412 au
Asc. node-Earth separation 1.35113 au
Desc. node-Earth separation 1.41186 au
Earth MOID 1.27122 au
Orbital period 1350.46 days
Date of orbit computation  Oct 31 05:07
Observational summary
Optical observations (Discarded) 1170 (4)
Radar observations (Discarded) 0 (0)
Arc length 25050.3 days
Unobserved 184 days

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Ephemeris at epoch 58592 MJD
Right Ascension 34.3765 deg
Declination 15.0373 deg
V Magnitude 19 mag
Solar Elongation -8.81 deg
Galactic Latitude -42.95 deg
Rate 0.489 deg/day
Direction 67.912 deg

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