NASA’s MAVEN Spacecraft: Communication Lost with Mars Orbiter, Recovery Unlikely

NASA’s MAVEN spacecraft, which has been studying Mars’ upper atmosphere for over a decade, went offline on December 6, 2023, with recovery efforts showing little progress.

Timeline of the Communication Loss

On December 6, MAVEN failed to send expected telemetry signals back to Earth through NASA’s Deep Space Network. Less than a week after losing contact, NASA reported that the spacecraft appeared to be “rotating in an unexpected manner when it emerged from behind Mars.” By December 23, the agency issued an update stating they were continuing efforts to reestablish communication.

Unfortunately, the outlook isn’t promising. During a recent meeting, NASA planetary science division director Louise Prockter conceded that the agency is “very unlikely” to recover the MAVEN orbiter.

Recovery Efforts

NASA’s team has been analyzing tracking data fragments from a December 6 radio science campaign to identify the potential root cause of the issue. They’ve also attempted to use the Curiosity rover’s Mastcam instrument to capture images of MAVEN, but these efforts were unsuccessful.

A small window of hope remains as Mars’ solar conjunction (when Mars and Earth are on opposite sides of the Sun) ends on January 16, providing NASA another opportunity to attempt communication.

Impact and Alternatives

Despite this setback, Mars communications remain operational through three other spacecraft that can relay communications between Mars missions and Earth. Additionally, a next-generation orbiter called Mars Telecommunications Orbiter has been revived in recent legislation, though its launch timeline remains unclear.

MAVEN’s Legacy

MAVEN (Mars Atmosphere and Volatile EvolutioN) has been a critical mission for understanding Mars’ upper atmosphere since its launch. The spacecraft has provided valuable data about how Mars lost its atmosphere over time, transforming from a potentially habitable planet to the cold, dry world we see today.

Conclusion

While NASA continues efforts to reestablish contact with MAVEN, officials appear to be preparing for the possibility that the decade-old mission may have come to an unexpected end. The situation will become clearer after January 16 when Mars emerges from solar conjunction, but experts are not optimistic about recovery prospects.