Assertion: body's period | /r/CapableOf | become equal
Facets:
value: to earth
type: TRANSITIVE-OBJECT
value: to earth's orbital period
type: OTHER
value: exactly
type: DEGREE
value: at the l 1 point
type: TEMPORAL
Source sentences:
text: At the L 1 point, the orbital period of the object becomes exactly equal to Earth's orbital period.
text: The extra pull of Earth's gravity decreases the orbital period of the object, and at the L 2 point that orbital period becomes equal to Earth's.