354 Eleonora
Encyclopedia
354 Eleonora is a very large main-belt
asteroid
. It is classified as an S-type asteroid
.
It was discovered by Auguste Charlois
on January 17, 1893, in Nice
.
During favorable opposition
s, such as in 1968 and 2010, Eleonora can reach an apparent magnitude
of +9.31.
Asteroid belt
The asteroid belt is the region of the Solar System located roughly between the orbits of the planets Mars and Jupiter. It is occupied by numerous irregularly shaped bodies called asteroids or minor planets...
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...
. It is classified as an S-type asteroid
S-type asteroid
S-type asteroids are of a stony composition, hence the name. Approximately 17% of asteroids are of this type, making it the second most common after the C-type.-Characteristics:...
.
It was discovered by Auguste Charlois
Auguste Charlois
Auguste Honoré Charlois was a French astronomer who discovered 99 asteroids while working in Nice.His first discovery was the asteroid 267 Tirza in 1887...
on January 17, 1893, in Nice
Nice
Nice is the fifth most populous city in France, after Paris, Marseille, Lyon and Toulouse, with a population of 348,721 within its administrative limits on a land area of . The urban area of Nice extends beyond the administrative city limits with a population of more than 955,000 on an area of...
.
During favorable opposition
Opposition (astronomy)
In positional astronomy, two celestial bodies are said to be in opposition when they are on opposite sides of the sky, viewed from a given place . In particular, two planets are in opposition to each other when their ecliptic longitudes differ by 180°.The astronomical symbol for opposition is ☍...
s, such as in 1968 and 2010, Eleonora can reach an apparent magnitude
Apparent magnitude
The apparent magnitude of a celestial body is a measure of its brightness as seen by an observer on Earth, adjusted to the value it would have in the absence of the atmosphere...
of +9.31.
External links
- Orbital simulation from JPL (Java)
- Ephemeris