The first major claim of another moon of Earth was made by French astronomer Frédéric Petit , director of the observatory at Toulouse Observatory , France , who announced that he had discovered a second moon in an elliptical orbit around the Earth .
The first major claim of another moon of Earth was made by French astronomer Frédéric Petit , director of the observatory at Toulouse Observatory , France . 
 Petit announced that he had discovered a second moon in an elliptical orbit around the Earth .