Crater named
The International Astronomical Union names a crater on Mars after Asimov. According to the IAU:
For a crater on Mars to be named after a person, it must have a diameter greater than or equal to 60 kilometers (about 37 miles). The IAU rule for naming craters of diameters 60 km and larger on Mars are that they are to be named for persons deceased at least 3 years who contributed to the study or Mars or writers who contributed “to the lore of Mars