"The aerospace agency revealed the issue in a Tuesday post that explained recent telemetry from the craft suggested all its systems were working as intended. After NASA received that data, MAVEN swung behind Mars, and therefore lost contact with Earth as its radios can't send data through a planet. But when MAVEN's orbit brought it back into view, ground stations on Earth could not detect any signal from the probe."
""The spacecraft and operations teams are investigating the anomaly to address the situation," its statement reads, before promising to deliver more information once it becomes available. NASA launched MAVEN in November 2013, and it reached Mars orbit in September 2014 for a planned one-year mission investigating Mars's atmosphere and serving as a radio relay for rovers on the Martian surface."
"In 2015, NASA realised MAVEN would come dangerously close to the Mars Reconnaissance Orbiter (MRO) and ordered adoption of a new traffic management system around the Red Planet. Two years later, MAVEN came dangerously close to Phobos, one of the two moons orbiting Mars. NASA fired MAVEN's engines to ensure a collision did not occur. In 2022, NASA lost contact with MAVEN after it rebooted a navigational instrument."
NASA lost contact with the Mars Atmosphere and Volatile EvolutioN (MAVEN) spacecraft after telemetry indicated systems were functioning and the craft swung behind Mars. When MAVEN returned into view, ground stations detected no signal and the agency does not know the cause. Operations and spacecraft teams are investigating the anomaly and pledged to provide updates when available. MAVEN launched in November 2013 and entered Mars orbit in September 2014 for a planned one-year atmospheric study and to serve as a radio relay. The spacecraft has continued operating beyond its primary mission but has experienced close approaches to other assets and a 2022 navigation reboot that briefly caused loss of contact. Limited telemetry bandwidth can slow diagnostics.
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