Syuichi Nakano
Encyclopedia
is a Japan
ese astronomer
. He specializes in the study of comet
s, in particular calculating their orbits and making predictions about when periodic comets will return for another perihelion approach. It is considerably more difficult to predict the orbits of comets than of other types of solar system
objects, since their orbits are susceptible not only to perturbation
s from the planet
s but also to non-gravitational forces due to the release of gaseous material in the form of a comet's coma
and tail.
He is affiliated with the Computing & Minor Planet Sections (Center for Astrodynamics) of the Oriental Astronomical Association in Sumoto
, Japan
.
He publishes the Nakano Notes on comet observations and ephemerides.
In 2001 he won the Amateur Achievement Award of the Astronomical Society of the Pacific
. The asteroid
3431 Nakano
is named after him, and asteroid 3983 Sakiko
is named after his sister.
(1026) Ingrid was reidentified in 1986 by Syuichi Nakano, ending its time as a Lost asteroid
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...
ese 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 specializes in the study of comet
Comet
A comet is an icy small Solar System body that, when close enough to the Sun, displays a visible coma and sometimes also a tail. These phenomena are both due to the effects of solar radiation and the solar wind upon the nucleus of the comet...
s, in particular calculating their orbits and making predictions about when periodic comets will return for another perihelion approach. It is considerably more difficult to predict the orbits of comets than of other types of solar system
Solar System
The Solar System consists of the Sun and the astronomical objects gravitationally bound in orbit around it, all of which formed from the collapse of a giant molecular cloud approximately 4.6 billion years ago. The vast majority of the system's mass is in the Sun...
objects, since their orbits are susceptible not only to perturbation
Perturbation (astronomy)
Perturbation is a term used in astronomy in connection with descriptions of the complex motion of a massive body which is subject to appreciable gravitational effects from more than one other massive body....
s from the planet
Planet
A planet is a celestial body orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity, is not massive enough to cause thermonuclear fusion, and has cleared its neighbouring region of planetesimals.The term planet is ancient, with ties to history, science,...
s but also to non-gravitational forces due to the release of gaseous material in the form of a comet's coma
Coma (cometary)
frame|right|The [[153P/Ikeya-Zhang|comet Ikeya-Zhang]] exhibiting a bright, condensed coma In astronomy, a coma is the nebulous envelope around the nucleus of a comet. It is formed when the comet passes close to the Sun on its highly elliptical orbit; as the comet warms, parts of it sublimate...
and tail.
He is affiliated with the Computing & Minor Planet Sections (Center for Astrodynamics) of the Oriental Astronomical Association in Sumoto
Sumoto, Hyogo
is a city located on Awaji Island, Hyōgo, Japan. The city was founded on February 11, 1940.As of March 31, 2008, the city has an estimated population of 50,087 and a density of 267 persons per km²...
, Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...
.
He publishes the Nakano Notes on comet observations and ephemerides.
In 2001 he won the Amateur Achievement Award of the Astronomical Society of the Pacific
Astronomical Society of the Pacific
The Astronomical Society of the Pacific is a scientific and educational organization, founded in San Francisco on February 7, 1889. Its name derives from its origins on the Pacific Coast, but today it has members all over the country and the world...
. The 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...
3431 Nakano
3431 Nakano
3431 Nakano is a main-belt asteroid discovered on August 24, 1984 by T. Seki at Geisei. It is named for Syuichi Nakano- External links :*...
is named after him, and asteroid 3983 Sakiko
3983 Sakiko
3983 Sakiko is a main-belt asteroid discovered on September 20, 1984 by A. Mrkos at Klet. It is named for Japanese astronomer Syuichi Nakano's sister.- External links :*...
is named after his sister.
(1026) Ingrid was reidentified in 1986 by Syuichi Nakano, ending its time as a Lost asteroid