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The research arm of COMSPOC Corp., the Center for Space Standards & Innovation (CSSI), fosters mutually-acceptable astrodynamic standards, enables data exchange, and creates innovative technical solutions that serve public interests in civil, commercial, academic, national, and international space communities.

CSSI aspires to:

  • Promote optimum use of space assets to further enhance U.S. security and public awareness of space information
  • Promote space security, safety, and sustainability
  • Foster innovation in space control, technology, commerce, and exploration
  • Encourage interoperability as a central resource for open, readily available, industry-wide standards
  • Compile and disseminate accurate industry information, including the most capable techniques, sources, practices, and tools for space and defense applications
  • Support high standards by advocating state-of-the-art advancements
  • Encourage young talent and creative ideas to thrive in the aerospace field

Meet the Team

Daniel Oltrogge

Daniel Oltrogge

Director, Integrated Operations and Research

Sal Alfano

Dr. Sal Alfano

Senior Research Astrodynamicist

Dave Vallado

David A. Vallado

Senior Research Astrodynamicist



The CSSI team frequently presents their research at industry events and publishes papers, textbooks, and resources for the community.

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Founded by Dr. T.S. Kelso and operated since 1985, CelesTrak has established a credible reputation worldwide for providing educational materials and standard data to the space community such as two-line element sets, Earth Orientation Parameters, solar weather data, geomagnetic indices, precision orbit ephemerides, and associated models and documentation.

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Satellite Orbital Conjunction Reports Assessing Threatening Encounters in Space (SOCRATES)

SOCRATES offers a free list of top 10 possible conjunctions by maximum probability and minimum range.

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Number of Encounters Assessment Tool (NEAT)

Using a fast, probability-based algorithm, assess collision risk by adjusting key parameters including constellation size, orbit altitude, and inclination.

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