Two Stages to Orbit (TSTO) Space Transportation System

Key Features:

Recently India became the fifth nation to successfully conduct the flight demonstration of a scaled down version of a winged-body reusable launch vehicle.

It is a stepping stone towards fully reusable Two Stage to Orbit (TSTO) space transportation system.

  1. TSTO launch vehicle can launch payload to Lower Earth Orbit (LEO) with 15 times reusability.
  2. It also validates the critical technologies such as autonomous navigation, guidance & control, reusable thermal protection system and re-entry mission management
  3. Low earth orbit is defined as an orbit within a locus extending from the earth‘s surface up to an altitude of 1,200 miles.
  4. Most communication applications use LEO satellites because it takes less energy to place the satellites into LEO.
  5. Also, they need less powerful amplifiers for successful transmission.
  6. As LEO orbits are not geostationary, a network of satellites is required to provide continuous coverage.

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