India’s Chandrayaan-3 Vikram lander successfully soft-landed near the Moon’s south pole in August 2023, completed its main experiments, then was put into “sleep mode” before lunar night and ultimately did not wake up again after sunrise.

What happened to Vikram lander (Chandrayaan-3)?

1. The successful landing and mission phase

  • Vikram performed a controlled descent and made a historic soft landing near the Moon’s south pole in late August 2023, carrying the Pragyan rover inside.
  • This made India the first country to land near the lunar south polar region, and both Vikram and Pragyan began surface operations and scientific experiments soon after touchdown.
  • During its initial 10–14 Earth-day mission window (one lunar day), the lander and rover carried out imaging, in-situ experiments, and movement on the surface as planned.

2. “Sleep mode” and the lunar night

  • Chandrayaan-3 was designed primarily for a one-lunar-day mission (about 14 Earth days) because solar-powered systems and standard electronics cannot easily survive the extreme cold of the lunar night (temperatures can drop well below –150°C).
  • Near the end of the planned mission, Vikram and Pragyan completed their priority tasks, transmitted data back to Earth, and were then systematically placed into sleep mode with their solar panels oriented to catch the Sun again after the next lunar sunrise.
  • Batteries were charged, instruments powered down, and controllers on Earth hoped there was a chance the hardware might endure the freezing darkness and reawaken, even though survival was not guaranteed by design.

3. Attempts to wake Vikram after sunrise

  • After the lunar night ended, ISRO made multiple attempts to re-establish communication with both Vikram and Pragyan around the expected sunrise date.
  • Public updates indicated that efforts were ongoing for some time, but no signal was received from the lander or rover despite these attempts.
  • Independent commentators and space engineers widely noted that, given the design (no radioisotope heaters and conventional electronics), the odds of revival after a full lunar night were always low.

4. Why Vikram likely did not wake up

While ISRO has not reported any catastrophic event like a crash after landing, several technical reasons explain why Vikram probably stayed silent:

  • Extreme cold: Key components and batteries are likely to have fallen below their survival temperature limits during the long, sunless lunar night.
  • Battery and electronics stress: Lithium-ion batteries and many electronic parts can be permanently damaged by repeated or prolonged exposure to such low temperatures without specialized thermal systems.
  • No radioisotope heating units (RHUs): Unlike some NASA lunar/planetary landers that carry small radioactive heaters for survival, Chandrayaan-3 relied mainly on insulation and solar power, making long-term night survival unlikely.

So, in practical terms, Vikram did its job successfully, went to sleep, and almost certainly succumbed to the harsh lunar environment rather than “failing” mid-mission.

5. Current status in simple terms

  • Vikram is still on the Moon’s surface near the south pole at the Shiv Shakti point, but it is no longer operational and not communicating.
  • The mission goals of demonstrating a soft landing and rover operations were achieved before the lander went silent, and Chandrayaan-3 is generally regarded as a major success.

In short: Vikram didn’t “crash” in Chandrayaan-3. It landed, worked, slept through the lunar night, and then most likely could not survive the extreme cold to wake up again.

Information gathered from public forums or data available on the internet and portrayed here.