CALIPSO CALIPSO Mission type Earth observation Operator NASA / CNES COSPAR ID 2006-016A SATCAT no. 29108 Website www-calipso.larc.nasa.gov Mission duration Elapsed: 12 years, 1 month, 30 days Spacecraft properties Launch mass 587 kilograms (1,294 lb) Start of mission Launch date April 28, 2006, 10:02:16 (2006-04-28UTC10:02:16Z) UTC Rocket Delta 7420-10C D314 Launch site Vandenberg AFB SLC-2W Orbital parameters Reference system Geocentric Regime Sun-synchronous Semi-major axis 7,080.7 kilometres (4,399.7 mi) Eccentricity 0.0001111 Perigee 701 kilometers (436 mi) Apogee 703 kilometers (437 mi) Inclination 98.2176 degrees Period 98.50 minutes RAAN 285.6451 degrees Argument of perigee 80.3481 degrees Mean anomaly 279.7840 degrees Mean motion 14.57093780 Revolution no. 40530