690 Wratislavia
Encyclopedia
690 Wratislavia is a minor planet
orbiting the Sun
. Wratislavia was discovered on October 16, 1909. IRAS
data shows it is about 135 km in diameter.
Minor planet
An asteroid group or minor-planet group is a population of minor planets that have a share broadly similar orbits. Members are generally unrelated to each other, unlike in an asteroid family, which often results from the break-up of a single asteroid...
orbiting the Sun
Sun
The Sun is the star at the center of the Solar System. It is almost perfectly spherical and consists of hot plasma interwoven with magnetic fields...
. Wratislavia was discovered on October 16, 1909. IRAS
IRAS
The Infrared Astronomical Satellite was the first-ever space-based observatory to perform a survey of the entire sky at infrared wavelengths....
data shows it is about 135 km in diameter.