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AstDyS ∴ Objects ∴ 1991PK31 ∴ Summary
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(16542) 1991PK31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.17471 1.717e-08 au
e 0.184349 4.147e-08
i 12.892 3.392e-06 deg
Ω 338.982 1.663e-05 deg
ω 67.298 2.221e-05 deg
M 214.585 1.061e-05 deg

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Other useful info
Absolute Magnitude (H)    13.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5895 au
Aphelion 3.76 au
Asc. node-Earth separation 1.85439 au
Desc. node-Earth separation 2.31155 au
Earth MOID 1.63081 au
Orbital period 2066.11 days
Date of orbit computation  feb 22 01:53
Observational summary
Optical observations (Discarded) 2218 (11)
Radar observations (Discarded) 0 (0)
Arc length 11608 days
Unobserved 306 days

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Ephemeris at epoch 60397 MJD
Right Ascension 265.487 deg
Declination -37.5185 deg
V Magnitude 19.9 mag
Solar Elongation 100.82 deg
Galactic Latitude -3.84 deg
Rate 0.105 deg/day
Direction 127.276 deg

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