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AstDyS ∴ Objects ∴ 1998WA31 ∴ Summary
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(69988) 1998WA31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 55.7444 0.02681 au
e 0.431136 0.0001394
i 9.437 0.000275 deg
Ω 20.588 0.000694 deg
ω 310.755 0.03408 deg
M 49.203 0.0441 deg

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Other useful info
Absolute Magnitude (H)    6.9 mag
Slope parameter (G)    0.15 mag
Perihelion 31.711 au
Aphelion 79.7778 au
Asc. node-Earth separation 34.4165 au
Desc. node-Earth separation 62.1627 au
Earth MOID 30.7085 au
Orbital period 152020 days
Date of orbit computation  apr 23 20:01
Observational summary
Optical observations (Discarded) 31 (2)
Radar observations (Discarded) 0 (0)
Arc length 9157.53 days
Unobserved 159 days

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Ephemeris at epoch 60426 MJD
Right Ascension 66.3998 deg
Declination 28.8277 deg
V Magnitude 23.88 mag
Solar Elongation -34.04 deg
Galactic Latitude -14.09 deg
Rate 0.019 deg/day
Direction 83.976 deg

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