FACTArchive β†’
A measurement mismatch erased a spacecraft on a $327.6 million mission. πŸ›°οΈ
FACT
@fact5
Ironic TwistsOct 07, 2026

A measurement mismatch erased a spacecraft on a $327.6 million mission. πŸ›°οΈ

A measurement mismatch erased a spacecraft on a $327.6 million mission. πŸ›°οΈ . . . NASA's Mars Climate Orbiter reached Mars in September 1999 after traveling for 286 days. One team supplied thruster data in pound-seconds while navigation software expected newton-seconds. The $125 million probe approached too low and vanished because two teams measured force differently.

Source
https://unanswered.io/guide/nasa-mars-climate-orbiter-metric-conversion-failure
Spot an error? Email hello@thefact5.com with a source β€” we correct visibly.
KEEP SCROLLING

More strange facts ✦