A subsatellite, also known as a submoon or a moonmoon, is a "moon of a moon" or a hypothetical natural satellite that orbits the moon of a planet. It is...

mapping camera, a laser altimeter, a mass spectrometer, and a lunar subsatellite deployed at the end of the moonwalks. The lunar module returned safely...

In the case of satellites, it is also known as a suborbital track or subsatellite track, and is the vertical projection of the satellite's orbit onto the...

Young and Duke rejoined Mattingly in lunar orbit, the crew released a subsatellite from the service module (SM). During the return trip to Earth, Mattingly...

A hypothetical Solar System object is a planet, natural satellite, subsatellite or similar body in the Solar System whose existence is not known, but has...

able to host its own moon, called a subsatellite, in a stable orbit, although no evidence for such a subsatellite has been found. The original paper presented...

stage". Retrieved 2011-01-01. "NASA NSSDC Master Catalog - Apollo 15 subsatellite". Retrieved 2011-01-01. "NASA NSSDC Master Catalog - Luna 20". Retrieved...

Hypothetical objects Fifth giant Nemesis Phaeton Planet Nine Planet V Planet X Subsatellites Theia Tyche Vulcan Vulcanoids Exploration (outline) Colonization Discovery...

and the time span of the Doppler data. Apollos 15 and 16 released subsatellites. The Kaguya/SELENE mission had tracking between 3 satellites to get...

cloud Hills Cloud Meteoroid Micrometeoroid Meteor Bolide Moons Moonlets Subsatellites (hypothet.) Minor planets (see below) Asteroids Dwarf planets Moons...