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290 Bruna

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Discovered by
  
Johann Palisa

Minor planet category
  
main belt

Discovered
  
20 March 1890

Discoverer
  
Johann Palisa

Discovery site
  
Vienna Observatory

Discovery date
  
20 March 1890

Observation arc
  
100.87 yr (36843 d)

Orbits
  
Sun

Named after
  
Brno

Asteroid group
  
Asteroid belt

290 Bruna

Aphelion
  
2.93884 AU (439.644 Gm)

Perihelion
  
1.73612 AU (259.720 Gm)

Similar
  
242 Kriemhild, 220 Stephania, 276 Adelheid, 266 Aline, 265 Anna

290 Bruna is a main belt asteroid that was discovered on March 20, 1890 by Johann Palisa, an Austrian astronomer at the Vienna Observatory.

Photometric observations of this asteroid at the Organ Mesa Observatory in Las Cruces, New Mexico during 2008 gave a light curve with a period of 13.807 ± 0.001 hours and a brightness variation of 0.54 ± 0.04 in magnitude. Changes in the brightness of the minimum with phase angle is attributed to changes in the shadows across surface features.

References

290 Bruna Wikipedia