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SPRSA Excess Capacity Panel Carol P. Welsch Orbital Sciences Corporation June 10, 2014

SPRSA Excess Capacity Panel Carol P. Welsch Orbital Sciences Corporation June 10, 2014. Over 800 Space Missions Since 1982*. 77 Commercial Satellites. 72 Government Satellites. 40 Space Payloads . 77 Space Launch Vehicles. 201 Interceptor & Target Vehicles . 340 Sounding Rockets .

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SPRSA Excess Capacity Panel Carol P. Welsch Orbital Sciences Corporation June 10, 2014

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  1. SPRSAExcess Capacity PanelCarol P. WelschOrbital Sciences CorporationJune 10, 2014 Welsch June2014

  2. Over 800 Space Missions Since 1982* 77 Commercial Satellites 72 Government Satellites 40 Space Payloads 77 Space Launch Vehicles 201 Interceptor & Target Vehicles 340 Sounding Rockets *April 1982-March 2014

  3. Access to Space Options

  4. Rendezvous with ISS • Hosted payload inactive • Survival heater power provided Depart from ISS • Hosted Payload Mission • Up to1 year duration • Data downlink via USN • +X pointed at Sun, excursions supported • Data delivered to science team USN Ground Stations Payload Ops Center Launchfrom Wallops Controlled Deorbit Orbital MCC Hosted Payloads on ISS Resupply Missions • Complete End-to-end Mission Service: I&T, Flight Operations, Data Delivery • Hosted on Cygnus spacecraft • Three Successful Cygnus Flights to Date • Up to 1 Year Lifetime • 18-24 Month ATP-to-Launch Schedules • Payload Mass up to 100 kg • Payload Power up to 500 W (OAP) • Payload Volume up to 1 m3 • Downlink Data Rates up to 3.5 mbps • Pointing Control 0.1° • 51.6º Orbit Between 200 and 400 km 4

  5. Addressing the Challenges • “What is the most politically acceptable, efficient, and cost effective approach to accessing excess launch capacity?” • No single approach meets every user needs • Steps could be taken to improve efficiency and cost effectiveness of rideshare • Need to reconcile lengthy gov’t launch planning timelines with smallsat timelines • Develop flexible, standardized interfaces and adapters (eg. EAGLE) • Fully utilize DoD Space Test Program to identify rideshare opportunities for all users • Should be on a regular and recurring basis • Make community aware of opportunities • Develop policy to enable commercial payloads to rideshare on gov’t launches • Implement contracting mechanism to procure commercial rideshare services Welsch June2014

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