Evolution of the Orbital Improvement Program.

Abstract

The Orbital Improvement Program (OIP) is a massive computer program that determines and predicts orbits for the Navy Navigation Satellite System (Transit system). The system became operational in 1963 and has played a vital part in providing all-weather navigation to worldwide users. The system has been continuously updated and improved. Today, navigation results are regularly under 10 m for operational satellites, providing accuracy far beyond any expectations of the early 1960's. This report describes the evolution of the program, its operational history, and how it has improved navigation accuracy. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Feb 01, 1979
Accession Number
ADA078842

Entities

People

  • S. C. Dillon

Organizations

  • Johns Hopkins University

Tags

Communities of Interest

  • Space

DTIC Thesaurus Topics

  • Accuracy
  • Artificial Satellites
  • Computer Programs
  • Computers
  • Doppler Effect
  • Ephemerides
  • Geodetic Satellites
  • Navigation
  • Navigation Satellites
  • Ocean Observing Systems
  • Physics
  • Physics Laboratories
  • Satellite Orbits
  • Spacecraft
  • Universities
  • World Geodetic System

Readers

  • Defense Acquisition Program Management
  • Military History / Militaries and War Studies
  • Space Exploration and Orbital Mechanics.

Technology Areas

  • Space
  • Space - Satellites