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Questions tagged [lifetime]

Questions regarding either the lifespan of an astronaut, or the amount of time that a device or instrument is usable.

2
votes
1answer
276 views

Satellite Remaining Life

How can I know the remaining life of a satellite? I have been using satbeam, and try to calculate it based on launch date + expected life, but it seems to have some problems. For example, for this ...
5
votes
1answer
520 views

What is the cycle life of the Merlin 1D?

I was doing some back of the envelope calculations to see improvements SpaceX would have to make to reach a cost target of $100/kg into orbit. After doing some basic calculations, it seems that SpaceX ...
5
votes
1answer
429 views

What is the proper way to charge Lithium Ion batteries?

Lithium Ion Batteries are becoming more and more popular in spacecraft, due to their high power per mass ratio. There are several companies, such as Quallion, advertising their space rated batteries. ...