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Chandrayaan-3 Propulsion Module Executes Rare Lunar Flybys, Set to Exit Moon's Sphere of Influence

ISRO reports the spacecraft remains healthy with its orbit markedly reshaped by the encounters.

Overview

  • The module re-entered the Moon’s sphere of influence on November 4 after spending about two years in a high Earth-bound orbit.
  • The first flyby occurred on November 6 at roughly 3,740 km from the lunar surface and fell outside Indian Deep Space Network visibility.
  • A second pass on November 11 approached to about 4,537 km and was tracked by IDSN, enabling detailed measurements.
  • ISRO/ISTRAC reported the orbit expanded from roughly 100,000 x 300,000 km to about 409,000 x 727,000 km with inclination shifting from 34° to 22°.
  • Mission teams say performance is nominal with no close approaches to other lunar orbiters, and they expect the module to exit the lunar sphere of influence on November 14.