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AstDyS ∴ Objects ∴ 1991RK28 ∴ Summary
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(157789) 1991RK28  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.57429 1.071e-08 au
e 0.270909 5.918e-08
i 4.924 6.83e-06 deg
Ω 147.172 6.88e-05 deg
ω 171.493 7.027e-05 deg
M 330.857 1.325e-05 deg

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Other useful info
Absolute Magnitude (H)    16.7 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8769 au
Aphelion 3.2717 au
Asc. node-Earth separation 2.27089 au
Desc. node-Earth separation 0.86979 au
Earth MOID 0.86379 au
Orbital period 1508.63 days
Date of orbit computation  apr 23 20:22
Observational summary
Optical observations (Discarded) 581 (5)
Radar observations (Discarded) 0 (0)
Arc length 11543 days
Unobserved 374 days

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Ephemeris at epoch 60426 MJD
Right Ascension 310.587 deg
Declination -13.9335 deg
V Magnitude 20.75 mag
Solar Elongation 86.65 deg
Galactic Latitude -30.78 deg
Rate 0.449 deg/day
Direction 75.094 deg

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