Esther, Elizabeth A.

NASA Technical Reports Server

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RS-34 Phoenix
NASA Marshall Space Flight Center
Problem:  
Low Cost Small Satellite Delivery
Solution:
Utilize an existing in-space propulsion system to launch 
multiple satellites to various orbits providing continuous 
coverage with fewer launches.
CAPABILITIES
DISCRIMINATORS
•Multiple Orbits, Single Boost reduces total number of launches for 
continuous coverage
•Cost Savings by Utilizing Existing Hardware
Milestones
• Pratt & Whitney Rocketdyne developed the RS-34 pressure 
fed in-space propulsion system to serve as the IV Stage on 
the Peacekeeper ICBM 
• USAF Decommissioned the Peacekeeper Program and divided 
the remaining assets. The 1st 3 stages were integrated into the 
Minotaur IV Launch Vehicle. 44 IV Stage Motors remain in 
storage at Hill AFB located in Ogden, UT.
• NASA MSFC utilized RS-34 components in support of ARES I-
X Roll Control System and has identified several uses for 
stage hardware, the most prominent of which is small satellite 
delivery.
• NASA MSFC is working to secure remaining assets before 
USAF proceeds with October 2012 demilitarization plans. 
Company: 
NASA Marshall Space Flight Center
Contact:               
Elizabeth Esther
Email: 
Elizabeth.Esther@NASA.gov
Phone: 256-544-
8848
PRODUCT
•RS-34 Phoenix
•Pressure-Fed  
•In –space Propulsion System
•Prop Type: NTO/MMH
•Pressurant :He
•Volume: 92”d x 42” h
•Prop load :635kg 
•Burn Time: ~165s
Sat Mass # of 
Sats
# of Orbits i Max t Max
7 kg 9 9 2.2 deg 6 min
50 kg 3 3 8.4 deg 28 min
150 kg 3 3 7.1 deg 23 min
200 kg 3 3 6.7 deg 21 min
Peacekeeper IV Stage In-Space Propulsion System
https://ntrs.nasa.gov/search.jsp?R=20120015771 2019-08-30T22:52:50+00:00Z


RS-34 Phoenix

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