What is the name of the first Near-Earth asteroid (NEA) that was found?

Q: What is the name of the first Near-Earth asteroid (NEA) that was found?


A: The first Near-Earth asteroid (NEA) that was found is 433 Eros.

Q: What is the size of 433 Eros?


A: 433 Eros is an S-type asteroid about 13 × 13 × 33 km in size.

Q: What type of asteroid does 433 Eros belong to?


A: 433 Eros belongs to the Amors.

Q: How close did 433 Eros pass to Earth on January 31, 2012?


A: On January 31, 2012, 433 Eros passed close to Earth at 0.1787 astronomical units (16.6 million miles). This is about 700 times farther from the Earth than the moon is.

Q: How bright can 433 Eros become during rare oppositions?


A: During rare oppositions, every 81 years such as in 1975 and 2056, 433 Eros can reach a magnitude of +7.1 which is brighter than Neptune and brighter than any main belt asteroid except 4 Vesta (and sometimes 2 Pallas and 7 Iris).


Q: What spacecraft visited433Eros?


A: The NEAR Shoemaker probe visited433Eros.

Q: How long will objects in an orbit likeErosexist before their orbits are changed by gravity?



A: Objects in an orbit likeEroscan exist for only a few hundred million years before their orbits are changed by gravity.

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