Minor-planet moon Herculina does not have a significant satellite. There were other similar reports of asteroids having companions (usually referred to as satellites) in the following years. Also, a letter in "Sky & Telescope" magazine at this time pointed to apparently simultaneous impact craters on Earth (for example, the Clearwater Lakes in Quebec), suggesting that these craters were caused by pairs of gravitationally-bound objects. In 1993, the first asteroid moon was confirmed when the Galileo probe discovered the small Dactyl orbiting 243 Ida in the asteroid belt. The second was discovered around 45 Eugenia in 1998. In 2001, 617 Patroclus and its
A Trip to the Moon him for "A Trip to the Moon", Méliès credited Jules Verne's novels "From the Earth to the Moon" (1865) and "Around the Moon" (1870). Cinema historians, the mid-20th-century French writer Georges Sadoul first among them, have frequently suggested H. G. Wells's "The First Men in the Moon" (1901), a French translation of which was published a few months before Méliès made the film, as another likely influence. Sadoul argued that the first half of the film (up to the shooting of the projectile) is derived from Verne and that the second half (the travelers' adventures on and in the moon)