Attitude, Lunar Transfer Phase Final Slide Proposal Brittany Waletzko 100g PL Integration Attitude, Lunar Transfer Phase Week 13—4/9/09

Systems Overview Large Payload 10kg Payload 100g Payload System Masses Injected Mass to Low Earth Orbit (kg) 436 584 9953 Injected Mass to Low Lunar Orbit (kg) 156 228 4545 Mass on Lunar Surface (kg) 79 107 2325 Payload Delivered to Lunar Surface 10kg 1743kg Large Payload 10kg Payload Too busy? 100g Payload <1>

Mission Timelines (Backup) 100g Payload Mission Timeline 10kg Payload Mission Timeline Elapsed Time (ddd:hh:mm) Event Vehicle -365:00:00 Launch Launch Vehicle/OTV 000:00:00 Arrive in LLO OTV 000:00:03 In lower orbit Lander 000:00:04 Rotate and Land Systems check Space Ball 000:00:05 Deployment from Lander 000:00:06 Orientation Travel 500m 000:00:14 Braking maneuver, dust removal 000:00:15 Take picture of Lander, Begin transmission to Lander 000:00:23 End photo transmission Transmit arrival Mooncast (near real-time video, photos, HD video, XPF set asides, data uplink set) to Earth 001:33:56 Transmit Mission Complete Mooncast (near real time video, photos, HD video) 002:08:04 Finished transmitting, prepare for night 009:00:00 Standby for lunar night 025:00:00 Power up after night 026:00:00 Transmit telemetry and photo 026:00:14 Mission Complete Elapsed Time (ddd:hh:mm) Event -365:00:00 Launch 0:00:00 Lunar Lander reaches LLO and separates from OTV 0:00:04 Lands on lunar surface and starts video taping 0:00:12 Finishes taping and begins transmission of video 0:03:44 Completes video transmission and takes panoramic pictures 0:03:45 Finishes panoramic pictures and begins transmission of pictures 0:03:59 Completes picture transmission and begins hop for locomotion 0:04:01 Locomotion phase complete and begins HD video taping 0:12:01 Begins transmission of HD video and takes panoramic pictures 2:06:24 Ends transmission of HD video and begins transmission of pictures 2:06:36 Ends transmission of pictures and shuts down for lunar night 15:23:24 Turns on and sends signal after lunar night. Too long? Prolly backup Elapsed Time given in days, hours, and minutes 100g and 10kg Payload <2>

Mission Timelines—cont. (Backup) Large Payload Mission Timeline Elapsed Time (ddd:hh:mm) Event -365:00:00 Launch 000:00:00 Arrive in Low Lunar Orbit Transfer to Lunar Descent Transfer Orbit Begin Final Lunar Descent burn Come to rest 100 m above surface/begin hover locomotion Touch down on lunar surface Large Payload Prolly backup Elapsed Time given in days, hours, and minutes <3>

Trajectory Correction (backup) 100g Payload Correction Maneuver Configuration Parameter Value Isp (s) 1952 mo (kg) 436.0 Propellant for Correction (kg) 1.1 Thrust per Engine (mN) 75 Time for ΔV (hr) 80.7 Large Payload Correction Maneuver Configuration Parameter Value Isp (s) 2250 mo (kg) 9953 Propellant for Correction (kg) 22.5 Thrust per Engine (mN) (x4 engines) 424 Time for ΔV (hr) 54.2 10kg Payload Correction Maneuver Configuration Parameter Value Isp (s) 1964 mo (kg) 585.6 Propellant for Correction (kg) 1.5 Thrust per Engine (mN) 75 Time for ΔV (hr) 92.6 Most Likely Backup T = instantaneous thrust (assumed constant over interval) m = instantaneous mass (assumed constant over interval) <4>