Timothy B. Spahr
Encyclopedia
Timothy B. Spahr is an American
astronomer
.
He works at the Harvard-Smithsonian Center for Astrophysics
as director of the Minor Planet Center
, has discovered numerous asteroid
s and is credited as a co-discoverer of one satellite
of Jupiter
(Callirrhoe)
and one of Saturn
(Albiorix)
.
He also discovered two periodic comets (171P/Spahr
, P/1998 U4).
Asteroid 2975 Spahr
was named after him.
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
astronomer
Astronomer
An astronomer is a scientist who studies celestial bodies such as planets, stars and galaxies.Historically, astronomy was more concerned with the classification and description of phenomena in the sky, while astrophysics attempted to explain these phenomena and the differences between them using...
.
He works at the Harvard-Smithsonian Center for Astrophysics
Harvard-Smithsonian Center for Astrophysics
The Harvard–Smithsonian Center for Astrophysics is one of the largest and most diverse astrophysical institutions in the world, where scientists carry out a broad program of research in astronomy, astrophysics, earth and space sciences, and science education...
as director of the Minor Planet Center
Minor Planet Center
The Minor Planet Center operates at the Smithsonian Astrophysical Observatory , which is part of the Center for Astrophysics along with the Harvard College Observatory ....
, has discovered numerous asteroid
Asteroid
Asteroids are a class of small Solar System bodies in orbit around the Sun. They have also been called planetoids, especially the larger ones...
s and is credited as a co-discoverer of one satellite
Natural satellite
A natural satellite or moon is a celestial body that orbits a planet or smaller body, which is called its primary. The two terms are used synonymously for non-artificial satellites of planets, of dwarf planets, and of minor planets....
of Jupiter
Jupiter
Jupiter is the fifth planet from the Sun and the largest planet within the Solar System. It is a gas giant with mass one-thousandth that of the Sun but is two and a half times the mass of all the other planets in our Solar System combined. Jupiter is classified as a gas giant along with Saturn,...
(Callirrhoe)
Callirrhoe (moon)
Callirrhoe , also known as ' , is one of Jupiter's outermost named natural satellites. It is an irregular moon that orbits in a retrograde direction. Callirrhoe was imaged by Spacewatch at Kitt Peak National Observatory from October 6 through November 4, 1999, and originally designated as asteroid...
and one of Saturn
Saturn
Saturn is the sixth planet from the Sun and the second largest planet in the Solar System, after Jupiter. Saturn is named after the Roman god Saturn, equated to the Greek Cronus , the Babylonian Ninurta and the Hindu Shani. Saturn's astronomical symbol represents the Roman god's sickle.Saturn,...
(Albiorix)
Albiorix (moon)
Albiorix is a prograde irregular satellite of Saturn. It was discovered by Holman, et al. in 2000, and given the temporary designation S/2000 S 11.Albiorix is the largest member of the Gallic group of irregular satellites....
.
He also discovered two periodic comets (171P/Spahr
171P/Spahr
- External links :* *...
, P/1998 U4).
Asteroid 2975 Spahr
2975 Spahr
2975 Spahr is a main-belt asteroid discovered on January 8, 1970 by H. Potter and A. Lokalov at Cerro El Roble.It is named after Timothy B. Spahr, director of the Minor Planet Center.- External links :*...
was named after him.