// ORBITAL LOGISTICS AND PROPULSION TERM

Sun-Synchronous

Describes an orbit where a satellite crosses the equator at the same local solar time on every pass, providing consistent lighting conditions for observations.

Sun-Synchronous — illustration from Wikipedia
Image via Wikipedia

TECHNICAL DEFINITION

Sun-synchronous describes an orbital characteristic where the orbital plane precesses at the same rate as the Earth orbits the Sun, ensuring that the satellite passes over any given latitude at the same local solar time, which is highly advantageous for Earth observation missions requiring consistent illumination.

BACKGROUND

Skyroot Aerospace Private Limited is a private Indian aerospace manufacturer and commercial launch service provider headquartered in Hyderabad, Telangana. The company was founded by former engineers and scientists from ISRO.

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SYNONYMS & ALIASES

  • Solar-synchronous
  • SSO-type
  • constant lighting orbit

USAGE NOTE

Many remote sensing and weather satellites are placed in sun-synchronous orbits to standardize image acquisition conditions.

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