apogean

From apogee +‎ -an.

apogean (not comparable)

1. Connected with the apogee.

   Apogean tides, or neap tides, occur when the Moon has passed its apogee.

• “apogean”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.