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AstDyS ∴ Objects ∴ 1998XD9 ∴ Summary
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1998XD9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.58522 1.528e-08 au
e 0.482265 1.147e-07
i 15.312 1.084e-05 deg
Ω 82.863 2.629e-05 deg
ω 28.207 3.416e-05 deg
M 30.882 1.838e-05 deg

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Other useful info
Absolute Magnitude (H)    18.1 mag
Slope parameter (G)    0.15 mag
Perihelion 1.3385 au
Aphelion 3.832 au
Asc. node-Earth separation 0.40876 au
Desc. node-Earth separation 2.43421 au
Earth MOID 0.37469 au
Orbital period 1518.25 days
Date of orbit computation  apr 24 01:19
Observational summary
Optical observations (Discarded) 201 (4)
Radar observations (Discarded) 0 (0)
Arc length 9226.99 days
Unobserved 36 days

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Ephemeris at epoch 60426 MJD
Right Ascension 197.523 deg
Declination 19.8704 deg
V Magnitude 20.67 mag
Solar Elongation -143.07 deg
Galactic Latitude 81.58 deg
Rate 0.269 deg/day
Direction -132.312 deg

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