What are Gaspra and Ida?
Gaspra is about 10.5 miles long (17 km), and Ida is 18.6 miles long and 6 to 8 miles wide (9.3 x 12.7 x 29.9 km). These asteroids are just two of the billions of such rocky and metallic objects that orbit the sun mainly between Mars and Jupiter. A small percentage orbit near the other planets.
How many times longer is Ida than Gaspra?
243 Ida and Dactyl Ida was the first asteroid shown to have a tiny moon, Dactyl. The Galileo spacecraft visited it on 28 August 1993, when it flew within 2400 kilometres of the asteroid. Ida is about 58 by 23 by 21 kilometres, which is much larger than Gaspra, while Dactyl is a mere 1.5 kilometres across.
What makes Ida an asteroid?
It was the second asteroid visited by a spacecraft and the first found to have a natural satellite. Ida’s orbit lies between the planets Mars and Jupiter, like all main-belt asteroids. Its orbital period is 4.84 years, and its rotation period is 4.63 hours. Ida has an average diameter of 31.4 km (19.5 mi).
Is Gaspra a moon?
Gaspra, an asteroid of the main belt, in a composite of two images taken by the Galileo spacecraft during its flyby on October 29, 1991. Pocked with numerous small craters, Gaspra measures about 20 km (12 miles) in its longest dimension.
Where is gaspra?
Gaspra (Ukrainian: Гаспра, officially transliterated Haspra; Russian: Гаспра; Crimean Tatar: Gaspra, from Greek hàspra, άσπρα, white) is a spa town, an urban-type settlement in Yalta Municipality in the Autonomous Republic of Crimea, a territory recognized by a majority of countries as part of Ukraine and incorporated …
Which kind of body is the largest asteroids Comets meteoroids?
Asteroids are smaller than a planet, but they are larger than the pebble-size objects we call meteoroids. A meteor is what happens when a meteoroid – a small piece of an asteroid or comet – burns up upon entering Earth’s atmosphere, creating a streak of light in the sky.
How far is Ida from Earth?
Asteroid Ida and its satellite, Dactyl, photographed by the Galileo spacecraft on August 28, 1993, from a distance of about 10,870 km (6,750 miles).
Does Ida have a moon?
Dactyl
243 Ida/Moons
Is Titan a moon?
Saturn’s largest moon, Titan, is an icy world whose surface is completely obscured by a golden hazy atmosphere. Titan is the second largest moon in our solar system. Only Jupiter’s moon Ganymede is larger, by just 2 percent. Titan is bigger than Earth’s moon, and larger than even the planet Mercury.
Is gaspra a dwarf planet?
Gaspra is an asteroid, a large rock that orbits the Sun mainly between the orbits of Mars and Jupiter. They tend to be an irregular shaped but Ceres asteroid is known to be spherical in shape but because it doesn’t clear its path round the Sun, it is only a dwarf planet.
Who discovered gaspra?
Grigory Neujmin
951 Gaspra/Discoverers