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USNO(the United States Naval Observatory) generates positions for the celestial bodies(planets, moons,stars) and provide in a form of .bsp files and their Astronomical Almanac.

Is there any alternative open publication produced by EU or other big countries?

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    $\begingroup$ The Astronomical Almanac is produced jointly with the UK's Her Majesty's Nautical Almanac Office. The Institute of Science in St Petersberg produces the Ephemerides of Minor Planets with details on the orbits and positions of asteroids. Neither is EU though...;-) $\endgroup$ Jul 22 '20 at 17:37
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    $\begingroup$ Astronomy stack exchange seems like a much better fit for this question. But please don't ask the same question on two different stacks. $\endgroup$ Jul 22 '20 at 17:58
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    $\begingroup$ @uhoh ok, close it here $\endgroup$
    – sigrlami
    Jul 23 '20 at 8:29
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    $\begingroup$ I’m voting to close this question because it's also posted in Astronomy where it is more likely to receive an answer astronomy.stackexchange.com/q/37092/7982 $\endgroup$
    – uhoh
    Jul 23 '20 at 8:41
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    $\begingroup$ @uhoh seems to make more sense on Astronomy since it's concerned with observatories and their products for natural celestial bodies rather than human-made ones. $\endgroup$ Jul 23 '20 at 15:41