A private satellite that’s low on fuel could survive five more years because another satellite has come to its rescue – a technique that could be used by future service spacecraft
Source:
https://www.newscientist.com/article/2235515-rocket-start-up-astra-tries-back-to-back-launches-to-win-12-million/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home