I am trying to find a movie:

  • The story is about a black hole that is getting close to Earth
  • To save Earth, people sacrifice Jupiter
  • But on Jupiter is an unknown alien nation that couldn't communicate
  • As I remember Jackie Chan was in it, but I couldn't find the movie on his IMDb page, so it might be another Asian actor, I am not sure

Could it be Sayonara Jupiter (also known as Bye bye Jupiter), a 1984 Japanese movie?

The Wikipedia entry seems to match your description.

It's the 22nd Century (2125 AD), and mankind's population has exponentially expanded beyond Earth's carrying capacity. Therefore, humans now live throughout the Solar System and the total population has gone well over 18 billion. As a result, there's a severe energy crisis for planets further out from the sun and plans to turn Jupiter into a second sun have been set into motion. However, markings are found on Mars that indicates that alien life lives in Jupiter and the J.S. Project (Jupiter Solarization Project) is put on hold.

Meanwhile, rogue members of the radical environmentalist group Jupiter Church attempt to sabotage the J.S. Project. In an ironic twist of fate, the head engineer of the J.S. Project, Eiji Honda, discovers that his ex-lover Maria is one of the radicals planning on sabotaging the project. At the same time, a satellite carrying two crew members is destroyed by a black hole heading straight to the center of the Solar System. This black hole could destroy humanity in one fell swoop once it collides into the sun. However, Jupiter is near the black hole's path. The engineers of the J.S. Project decide to change their plan and shoot Jupiter into the black hole, thereby altering the hole's path and potentially save the galaxy's inhabitants. However, time is short...

Found with the Google query movie "sacrifice jupiter" black hole

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    May I add that I'm no expert on black holes, space physics and stuff, but without even considering the "how to actually do this", throwing a planet into a black hole's path sounds like a terrible idea to my peasant ears – Jenayah Oct 30 '18 at 12:43
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    Are there any other movies that spoil the ending quite so completely as this, just from their title? – jez Oct 30 '18 at 15:20
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    @jez take your pick (Warning! TVTropes link!) – Jenayah Oct 30 '18 at 15:23
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    @Jenayah. To be fair, I am not even sure that is the biggest problem here. Sounds entertaining regardless. – Mad Physicist Oct 30 '18 at 15:28
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    @Jenayah Should work at least as well as throwing virgins into volcanoes. – Zan Lynx Oct 30 '18 at 23:21

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