Determination of position around near-earth asteroids using communication relays

Evan Nelson, Charles D. Creusere, Eric Butcher

Research output: Contribution to journalArticlepeer-review


In this paper we consider the possibility of using a communications system that is operating between probes on the surface of an asteroid and an orbiting satellite to more accurately determine spatial positions. This is done by measuring the round trip communication delay between the orbiter and various surface probes to estimate distance. From these distance measurements, the position can be determined using trilateration-the same basic technique behind the earth-based GPS system. Within the framework of this scenario, the location of the probes or the orbiter can be determined depending on the scenario.

Original languageEnglish (US)
Pages (from-to)296-303
Number of pages8
JournalProceedings of the International Telemetering Conference
StatePublished - 2014


  • Nea missions
  • Position determination
  • Space communication networks
  • Space communications
  • Trilateration

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Instrumentation
  • Computer Networks and Communications
  • Signal Processing


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