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AstDyS ∴ Objects ∴ 1991BK ∴ Summary
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(13521) 1991BK  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.62977 7.068e-09 au
e 0.279543 3.042e-08
i 5.734 2.958e-06 deg
Ω 67.038 4.198e-05 deg
ω 47.836 4.256e-05 deg
M 283.2 6.89e-06 deg

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Other useful info
Absolute Magnitude (H)    13.8 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8946 au
Aphelion 3.3649 au
Asc. node-Earth separation 1.05587 au
Desc. node-Earth separation 1.97019 au
Earth MOID 0.91711 au
Orbital period 1557.67 days
Date of orbit computation  feb 22 01:52
Observational summary
Optical observations (Discarded) 2288 (15)
Radar observations (Discarded) 0 (0)
Arc length 18163.2 days
Unobserved 162 days

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Ephemeris at epoch 60423 MJD
Right Ascension 17.2335 deg
Declination 3.5615 deg
V Magnitude 19.07 mag
Solar Elongation 16.12 deg
Galactic Latitude -59.02 deg
Rate 0.437 deg/day
Direction 66.687 deg

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