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AstDyS ∴ Objects ∴ 1991WD ∴ Summary
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(13078) 1991WD  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.61479 8.199e-09 au
e 0.22056 3.813e-08
i 13.881 2.747e-06 deg
Ω 89.325 1.394e-05 deg
ω 35.314 1.696e-05 deg
M 193.228 7.115e-06 deg

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Other useful info
Absolute Magnitude (H)    14.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0381 au
Aphelion 3.1915 au
Asc. node-Earth separation 1.1252 au
Desc. node-Earth separation 2.01716 au
Earth MOID 1.06985 au
Orbital period 1544.38 days
Date of orbit computation  apr 23 19:48
Observational summary
Optical observations (Discarded) 8580 (312)
Radar observations (Discarded) 0 (0)
Arc length 11560.2 days
Unobserved 286 days

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Ephemeris at epoch 60425 MJD
Right Ascension 338.337 deg
Declination -19.0567 deg
V Magnitude 20.26 mag
Solar Elongation 62.47 deg
Galactic Latitude -57.35 deg
Rate 0.276 deg/day
Direction 79.638 deg

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