Astronomers have discovered about 1 million asteroids in our solar system, most of them in the asteroid belt between Mars and Jupiter. Due to the attraction of Jupiter, asteroids are much less likely to be found near the sun and especially in Earth orbit. There are a total of about 20 asteroids whose orbits are entirely in the orbit of our planet. Your name is Atira. The orbits of many of them deviate significantly from the level of the solar system, indicating earlier encounters by these asteroids with Mercury or Venus. The official press release for the study is available on the California Institute of Technology website.
Very rare find
So far, scientists have suggested that asteroids whose orbits are in Venus may exist, but there is no evidence to support this. The fact is that it is incredibly difficult to spot such asteroids because their orbits should bring them closer to the sun and leave a small window so we can spot them at dawn or dawn. Besides, there simply cannot be many such asteroids. Despite all the obstacles, astronomers managed to find an asteroid named 2020 AV2. The find was made by researchers from the California Technical Institute's technology center and then confirmed to observatories around the world.
The publication Ars technica quotes the words of the co-author of the study, George Hel, that the transition via Venus' orbit is by no means easy. According to the scientist, the only way that the 2020 AV2 celestial body will leave orbit is through a gravitational collision with Mercury or Venus. However, the asteroid is much more likely to fall on one of these planets.
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According to the researchers, the diameter of the asteroid is 1 to 3 kilometers, and its orbit is inclined about 15 degrees from the plane of the solar system. The asteroid will be in Venus' orbit for another 151 days, gradually approaching Mercury's orbit. AV2 is expected to be placed in an intervening orbit in 2020 due to a collision with another planet.
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A rare asteroid was discovered at the Palomar Observatory in Southern California with the Zwicky camera, which is ideal for locating asteroids because it scans the sky quickly and can observe asteroids during their brief appearance in the night sky.