2 DEG PITCH DOWN FROM LOCAL HORIZONTAL BEGIN 0.3 DEG/SEC PITCH DOWN AT AOS. CSM/LM TYPICAL LANDMARK TRACKING PROFILE T1 GET AT 0° ELEVATION T2 GET AT 35° ELEVATION HORIZON HORIZON CENTER OF MOON RADIUS OF MOON LANDMARK 3-64a ∆T1 = 300 SEC ∆T2 = 40 SEC ∆T3 = 25 SEC ∆T4 = 25 SEC = 25 SEC AOS to LOS = 3 MIN ∆T1 ∆T2 ∆T4 ∆T3 ∆T1 ∆T2 ∆T4 ∆T3 35° 22° 17° 16° 35° 22° 17° 16° MARK NO. 2 MARK NO. 1 MARK NO. 5 MARK NO. 4 MARK NO. 3 AOS LOS 2° 24.5° 47°