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6102 Visby

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Discovered by
  
UESAC

MPC designation
  
6102 Visby

Minor planet category
  
main-belt · (middle)

Absolute magnitude
  
13.8

Discovery site
  
La Silla Observatory

Discoverer
  
UESAC

Discovery date
  
21 March 1993

Named after
  
Visby (Swedish town)

Discovered
  
21 March 1993

Orbits
  
Sun

Asteroid group
  
Asteroid belt

Alternative names
  
1993 FQ25 · 1990 TV11 1991 YQ2

6102 Visby, provisional designation 1993 FQ25, is a stony asteroid from the middle region of the asteroid belt, approximately 5 kilometers in diameter. It was discovered on 21 March 1993, during the Uppsala-ESO Survey of Asteroids and Comets (UESAC) at the ESO's La Silla Observatory site in northern Chile. The asteroid is the survey's lowest numbered body among its more than 1,100 discoveries.

The S-type asteroid orbits the Sun at a distance of 2.2–3.0 AU once every 4 years and 2 months (1,530 days). Its orbit has an eccentricity of 0.16 and an inclination of 2° with respect to the ecliptic. The first precovery was taken at Palomar Observatory in 1989, extending the asteroid's observation arc by 4 years prior to its discovery.

A rotational light-curve for this asteroid was obtained from photometric observations at the Palomar Transient Factory in February 2013. It gave a rotation period of 7000328000000000000♠3.28±0.01 hours with a brightness variation of 0.28 in magnitude (U=2+).

According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, the asteroid measures 4.5 kilometers in diameter and its surface has an albedo of 0.29, while the Collaborative Asteroid Lightcurve Link assumes a standard albedo for stony asteroids of 0.20 and calculates a diameter of 5.2 kilometers.

The minor planet was named after Visby, a Swedish town on the island of Gotland, known for its medieval and Hanseatic history (also see List of Gotland-related asteroids). Naming citation was published on 28 September 1999 (M.P.C. 36126).

References

6102 Visby Wikipedia