The first one is called the "Moon".
The first successful artificial one was launched in October 1957,
and was called Sputnik-I.
The largest satellite orbiting the Earth is the Moon.
Sputnik-I launched October 4, 1957 from the USSR.
The only natural satellite orbiting Earth is the moon.
Photos taken of Earth from an orbiting satellite
I saw a satellite orbiting around earth.
It is the moon.
By orbiting the earth about once a month.
A satellite is not always a robotic module constructed on Earth and launched into orbit. A satellite, in fact, is any object which is orbiting another. The orbiting object is the satellite of whatever it orbits. By now you ought to be able to guess it, but if not, it is the moon.
At periapsis, that is, when it is closest to Earth in its orbit.
If the Moon is to a satellite, then Earth is to a planet. The Moon is a natural satellite orbiting Earth, just like artificial satellites orbit Earth. Similarly, planets are natural satellites orbiting stars, like Earth orbits the Sun.
sputnik
Sputnik-I