OASIS architecture: Key features

Jonathan W. Arenberg, Michaela N. Villarreal, Jud Yamane, Tony Yu, Justin Lazear, John Pohner, Mitch Sangalis, Steven L. Jackson, Elisabeth Morse, Ryan Tyler, Pradipto Ghosh, Arthur Palisoc, Christopher Walker, Yuzuru Takashima, Daewook Kim, Siddhartha Sirsi, Aman Chandra

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Scopus citations


Orbiting Astronomical Satellite for Investigating Stellar Systems (OASIS) is a mission concept being developed in preparation for the 2021 MidEX Announcement of Opportunity. This paper describes the key features of the OASIS architecture as they are currently understood. OASIS’s choice of a large inflatable primary reflector results in large collection areas at very high mass efficiency enabling the science mission. We describe the spacecraft bus, based on Northrop Grumman’s LEOstar-2, and the receiver, a heritage design based on the GUSTO balloon heterodyne system. We also discuss the observing strategy and pointing requirements from its planned L1 location. Particular emphasis is placed on challenges to the design, such as momentum management, balancing consumable mass allocations, thermal management, and testing.

Original languageEnglish (US)
Title of host publicationAstronomical Optics
Subtitle of host publicationDesign, Manufacture, and Test of Space and Ground Systems III
EditorsTony B. Hull, Daewook Kim, Pascal Hallibert, Fanny Keller
ISBN (Electronic)9781510644786
StatePublished - 2021
EventAstronomical Optics: Design, Manufacture, and Test of Space and Ground Systems III 2021 - San Diego, United States
Duration: Aug 1 2021Aug 5 2021

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X


ConferenceAstronomical Optics: Design, Manufacture, and Test of Space and Ground Systems III 2021
Country/TerritoryUnited States
CitySan Diego


  • Inflatable optics
  • Lifetime
  • OASIS mission
  • System architecture

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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