cislunar

cislunar Lying or situated between the earth and the moon.
Found on http://www.wordinfo.info/words/index/info/view_unit/1218/

cislunar

Of, or pertaining to, the space between the Earth and the orbit of the Moon, or to a sphere of space centered on the Earth with a radius equal to the distance between the Earth and the Moon.
Found on http://www.daviddarling.info/encyclopedia/C/cislunar.html

Cislunar

Relating to the space between the Earth and the orbit of the Moon.
Found on http://www.braeunig.us/space/glossary.htm
No exact match found