268 Adorea
Encyclopedia
268 Adorea is a very large Themistian asteroid
. It is classified as a primitive carbonaceous
F-type
/C-type asteroid
.
It was discovered by A. Borrelly
on June 8, 1887 in Marseilles.
Themis family
The Themis or Themistian Asteroid Family is a Hirayama family of asteroids found in the outer portion of the main asteroid belt, between the orbits of Mars and Jupiter. At a mean distance of 3.13 AU from the Sun, it is one of the more populous asteroid families...
. It is classified as a primitive carbonaceous
Carbonate
In chemistry, a carbonate is a salt of carbonic acid, characterized by the presence of the carbonate ion, . The name may also mean an ester of carbonic acid, an organic compound containing the carbonate group C2....
F-type
F-type asteroid
F-type asteroids are a relatively uncommon type of carbonaceous asteroid, falling into the wider C-group.-Characteristics:Generally similar to the B-type asteroids, but...
/C-type asteroid
C-type asteroid
C-type asteroids are carbonaceous asteroids. They are the most common variety, forming around 75% of known asteroids, and an even higher percentage in the outer part of the asteroid belt beyond 2.7 AU, which is dominated by this asteroid type...
.
It was discovered by A. Borrelly
Alphonse Louis Nicolas Borrelly
Alphonse Louis Nicolas Borrelly was a French astronomer.Working in Marseille, he discovered asteroids and comets.He discovered the periodic comet 19P/Borrelly.The asteroid 1539 Borrelly was named in his honour....
on June 8, 1887 in Marseilles.