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Juno successfully enters orbit around Jupiter

After a voyage from Earth lasting almost 5 years, the Juno spacecraft successfully entered Jupiter’s orbit late last night.

The engine burn was tense. 35 minutes is a long time for a spacecraft burn; after 20 minutes it had slowed Juno enough to be in orbit, but not the correct one. It had to continue for another 15 minutes to put the spacecraft on the correct orbit. It worked essentially perfectly. The burn time was off by just one second. That will have no real effect on the orbit.

The 35-minute burn slowed Juno down by more than 1200 mph.