945 Barcelona

945 Barcelona is a minor planet orbiting the Sun in the Asteroid belt. It was discovered 3 February 1921 from Barcelona by the Catalan astronomer Josep Comas i Solà (1868–1937) and named for the city of Barcelona (Spain), the birthplace of the discoverer. It has an estimated diameter of 25.5 km.

945 Barcelona
Discovery
Discovered byJ. Comas Solà
Discovery siteBarcelona
Discovery date3 February 1921
Designations
MPC designation
(945) Barcelona
Alternative designations
1921 JB
Orbital characteristics
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc92.54 yr (33802 days)
Aphelion3.0656 AU (458.61 Gm)
Perihelion2.2037 AU (329.67 Gm)
Semi-major axis
2.6347 AU (394.15 Gm)
Eccentricity0.16357
Orbital period (sidereal)
4.28 yr (1562.0 d)
Mean anomaly
115.327°
Mean motion
0° 13m 49.692s / day
Inclination32.896°
Longitude of ascending node
318.298°
162.067°
Physical characteristics
Mean radius
12.735±0.6 km
Synodic rotation period
7.36 h (0.307 d)
0.2416±0.024
10.13

    This object is the namesake of a Barcelona family of approximately 300 stony asteroids that share similar spectral properties and orbital elements; hence they may have arisen from the same collisional event. All members have a relatively high orbital inclination.

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