Assertion: satellite's period | /r/HasProperty | time
Facets:
Source sentences:
text: A low Earth orbit (LEO) typically is a circular orbit about 160 to 2,000 kilometres (99 to 1,243 mi) above the earth's surface and, correspondingly, a period (time to revolve around the earth) of about 90 minutes.
text: Period is the time that the satellite takes to complete an orbit around the Earth, counted from perigee to perigee.