# James Webb Space Telescope general discussion thread

**URL:** <https://boards.straightdope.com/t/james-webb-space-telescope-general-discussion-thread/956624>\
**Category:** Miscellaneous and Personal Stuff I Must Share\
**Tags:** science-math\
**Created:** [December 25, 2021, 1:18pm UTC](https://boards.straightdope.com/t/james-webb-space-telescope-general-discussion-thread/956624 "2021-12-25T13:18:56Z")\
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**Author:** ![Senegoid](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/senegoid/32/6606_2.png) [@Senegoid](https://boards.straightdope.com/u/Senegoid)\
**Post date:** [December 25, 2021, 10:46pm UTC](https://boards.straightdope.com/t/james-webb-space-telescope-general-discussion-thread/956624/20 "2021-12-25T22:46:29Z")

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Question: How much mathematical precision is required to compute the trajectories for things like this? In computations involving pi and trig functions, e.g., etc., how many decimal places are needed?

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