On Satellite Umbra/Penumbra Entry and Exit Positions.

Abstract

The problem of computing Earth satellite entry and exit positions through the Earth's umbra and penumbra, for satellites in elliptical orbits, is solved without the use of a quartic equation. A condition for existence of a solution is given. This problem is related to perturbation force resulting from solar radiation pressure.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1997
Accession Number
ADA320904

Entities

People

  • Beny Neta
  • David Vallado

Organizations

  • Naval Postgraduate School

Tags

Communities of Interest

  • Space

DTIC Thesaurus Topics

  • Abstracts
  • Artificial Satellites
  • Differential Equations
  • Elliptical Orbits
  • Equations
  • Geometry
  • Mathematics
  • Military Research
  • Numbers
  • Orbits
  • Perturbations
  • Quartic Equations
  • Radiation
  • Radiation Pressure
  • Solar Radiation
  • Space Systems
  • Square Roots

Fields of Study

  • Physics

Readers

  • Calculus or Mathematical Analysis
  • Space Exploration and Orbital Mechanics.

Technology Areas

  • Space
  • Space - Hall-Effect Thruster
  • Space - Orbital Debris