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AstDyS ∴ Objects ∴ 1998YK31 ∴ Summary
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(137105) 1998YK31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.54152 8.216e-09 au
e 0.225013 5.469e-08
i 5.277 2.687e-06 deg
Ω 89.487 5.876e-05 deg
ω 313.355 5.984e-05 deg
M 103.066 1.358e-05 deg

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Other useful info
Absolute Magnitude (H)    15.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9696 au
Aphelion 3.1134 au
Asc. node-Earth separation 1.10672 au
Desc. node-Earth separation 1.83784 au
Earth MOID 0.98332 au
Orbital period 1479.92 days
Date of orbit computation  apr 23 20:17
Observational summary
Optical observations (Discarded) 1953 (96)
Radar observations (Discarded) 0 (0)
Arc length 9258.11 days
Unobserved 37 days

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Ephemeris at epoch 60425 MJD
Right Ascension 160.291 deg
Declination 15.6755 deg
V Magnitude 20.43 mag
Solar Elongation -120.71 deg
Galactic Latitude 57.71 deg
Rate 0.038 deg/day
Direction -179.84 deg

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