TV-4 achieved a stable orbit with an apogee of and a perigee of . A single-impulse launch results in an elliptical orbit, with a high apogee and low perigee. He calculated the eccentricity of the Sun's orbit and the annual motion of the apogee. Cooper achieved an altitude of at apogee. This raised "Spider" to an orbit with apogee of over . This is the phase after powered flight but before the apogee. The AAD was launched when the Prithvi reached an apogee of . Simultaneously it marked the apogee of Robespierre's power. The star at the top marks the record high apogee reached by Gemini 11. Parallax would implement artistic and structural changes that Apogee requested. During their rule, Rome reached its territorial and economical apogee. This campaign marked the apogee of Byzantine expansion. It was to reach an apogee of . Pitchford began his career at 3D Realms in Texas, at the time known as Apogee. Others are now available from companies such as Apogee, Celestron, Photon, Rigel, and Televue.