BepiColombo's Eight-Year Voyage to Mercury Captured in Self-Portrait

Eight years and 9.9 billion kilometers: the joint European Space Agency (ESA) and Japan Aerospace Exploration Agency (JAXA) BepiColombo mission has delivered a comprehensive video chronicle of its intricate journey through the inner Solar System.

Launched on October 20, 2018, BepiColombo embarked on a complex trajectory, executing nine planetary flybys—one past Earth, two past Venus, and six past Mercury—to align itself with the innermost planet's orbit. This new compilation, drawn from the Mercury Transfer Module's (MTM) monitoring cameras, offers a unique perspective of the spacecraft's own voyage.

The footage captures critical moments, showing MTM's solar arrays, the Mercury Planetary Orbiter's (MPO) medium-gain antenna, and the Mercury Magnetospheric Orbiter's (Mio) magnetometer boom. These monitoring cameras, or M-CAMs, were specifically designed to observe the spacecraft itself, providing a rare 'selfie' view of its deep-space ballet.

The mission's arrival sequence at Mercury commenced on September 3, 2026, with the MTM successfully separating from the composite spacecraft stack. This crucial maneuver marks the beginning of the scientific phase.

"This is the first time we've compiled them into a video of the mission's complete journey so far."

The two stacked orbiters, ESA's MPO and JAXA's Mio, are scheduled to enter orbit around Mercury in November, before separating from each other on December 9–10, 2026. This will mark a historic first: two spacecraft simultaneously orbiting Mercury, providing unprecedented dual perspectives on the planet and its environment.

The now-defunct MTM, having fulfilled its propulsive role, will pass Mercury at a distance of approximately 130,000 kilometers in late October before entering an indefinite solar orbit. Its silent departure allows the scientific modules to begin their detailed study of Mercury's composition, magnetosphere, and exosphere.

For those who will eventually live and work off-world, the BepiColombo mission stands as a testament to the meticulous planning and operational precision required for complex multi-asset deployments in deep space. The ability to navigate, separate, and position specialized modules around a distant celestial body offers a blueprint for future orbital infrastructure supporting off-world settlements, enabling comprehensive environmental monitoring, resource mapping, or even multi-point communications networks. The MTM's journey into perpetual solar orbit also quietly highlights the persistent challenge of managing defunct infrastructure in the vastness beyond Earth.