What was the first artificial satellite?

Sputnik is the first artificial satellite launched in 1957.

Sputnik.

The first artificial satellite was Sputnik 1. It was the size of a basketball and was made by the USSR (Union of Soviet Socialist Republics) or Russia. It was launched on October 4, 1957.

The first artificial satellite was Sputnik in the size of basket ball made by U.S.S.R.

Sputnik 1 was the first artificial Earth satellite. The Soviet Union launched it into an elliptical low Earth orbit on 4 October 1957.
Launch date: October 4, 1957 7:28 PM
Orbit height: 577 km
Speed on orbit: 8 km/s
Launch site: Gagarin's Start

Sputnik 1 was the first artificial satellite which was launched in 1957.

Sputnik 1