minimum orbital unmanned satellite of the Earth

unmanned orbital multifunction satellite

earth orbital flight

Earth's mean orbital speed

scorched earth tactics (scorch-earth tactics)

earth-centered earth-fixed coordinate system (ECEF)

earth reconnaissance satellite

earth satellite

satellite-to-satellite weapon

interplanetary unmanned scientific satellite

unmanned satellite

unmanned multifunction satellite

orbital propellant farm

orbital refill

specific orbital energy

near-orbital speed

orbital airscoop

orbital apogee

orbital complex

orbital complex flyby

orbital coordinate system

orbital debris

orbital flight

orbital laser power station

orbital mapping

orbital motion

orbital nuclear reactor

orbital period

orbital plane

orbital revolution

orbital solar power plant

orbital speed

orbital-scatter radio communication