Latest News About Apollo 10 Reentry Speed

Updated 2026-04-18 09:04

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Apollo 10’s reentry speed at Entry Interface was about 11,000 m/s (roughly 24,000 mph), which is near the record for fast crewed reentries in history. This value is consistent with NASA flight journals that track TEI velocity and the expected climb in speed as the capsule returns through the atmosphere.[2][3]
The mission concluded with a splashdown in the Pacific Ocean, after its dress rehearsal to Apollo 11, and its TEI and reentry dynamics are frequently cited in historical summaries and NASA AFJ materials.[9]

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Sources

Artemis II Set to Return to Earth After Record-setting Moon Flyby | LatestLY

The Artemis II astronauts are on track for a splashdown in the Pacific to close out humanity's first voyage to the moon in more than half a century Artemis II Set to Return to Earth After Record-setting Moon Flyby.

www.latestly.com

Apollo 10 Flight Journal - Day 8, part 35: Entry Preparations

This is Apollo Control at 187 hours, 11 minutes Ground Elapsed Time. Apollo 10 now 36,136 nautical miles [66.924 km] out from Earth. Velocity continuing to build up; now 10,709 feet per second [3,264 m/s]. Estimated velocity at Entry Interface, or 400,000 feet [121,920 metres] above the surface; 36,314 feet per second [11,070 m/s]. Ignition time for midcourse correction number 7, 1 hour and 37 minutes away. Entry Interface 4 hours, 36 minutes away.

www.nasa.gov

Apollo 10: Lunar Landing Dress Rehearsal - Space

Reference Article

www.space.com

Apollo 10 Flight Journal - Day 8, part 34: Awake on Splashdown day

This velocity will increase dramatically in the last couple of hours prior to Entry Interface. At 2 hours prior to entry, the speed will be about 14,500 feet per second [4,030 m/s]. One half hour later it will have increased by 2,000 feet per second [556 m/s], up to about 16,120 [fps, 4,478 m/s], and in another half hour, 1 hour prior to entry, the velocity will be up to 18,696 feet per second [5,193 m/s]. Then in the final hour, the velocity will double, nearly double, reaching 36,314 feet...

www.nasa.gov

Apollo ten re-entry speed? - Answers

Apollo 10 re-entered the atmosphere on May 26, 1969 at almost 40,000 km per hour, which is 11.08 km/second or 24,791 miles per hour. To date, Apollo 10 holds the record for the fastest manned reentry in history.

qa.answers.com