1090 Sumida
Encyclopedia
1090 Sumida is a minor planet
orbiting the Sun
. Initially it received the designation 1928 DG. It is now named after the Sumida River
. The numerical designation indicates this was the 1090th asteroid discovered.
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...
. Initially it received the designation 1928 DG. It is now named after the Sumida River
Sumida River
The is a river which flows through Tokyo, Japan. It branches from the Arakawa River at Iwabuchi and flows into Tokyo Bay. Its tributaries include the Kanda and Shakujii rivers....
. The numerical designation indicates this was the 1090th asteroid discovered.