Gemini 10

Gemini X
Gemini 10 is boosted into a higher orbit by its Agena Target Vehicle
Mission type
OperatorNASA
COSPAR ID1966-066A Edit this at Wikidata
SATCAT no.2349
Mission duration2 days, 22 hours, 46 minutes, 39 seconds
Orbits completed43
Spacecraft properties
SpacecraftGemini SC10
ManufacturerMcDonnell
Launch mass8,296 pounds (3,763 kg)
Landing mass4,254 pounds (1,930 kg)
Crew
Crew size2
Members
EVAs2
EVA duration1 hour, 28 minutes
Start of mission
Launch dateJuly 18, 1966, 22:20:26 (1966-07-18UTC22:20:26Z) UTC
RocketTitan II GLV, s/n #62-12565
Launch siteCape Kennedy LC-19
End of mission
Recovered byUSS Guadalcanal
Landing dateJuly 21, 1966, 21:07:05 (1966-07-21UTC21:07:06Z) UTC
Landing site26°45′N 71°57′W / 26.750°N 71.950°W / 26.750; -71.950 (Gemini 10 splashdown)
Orbital parameters
Reference systemGeocentric
RegimeLow Earth orbit
Perigee altitude299 kilometers (161 nmi)
Apogee altitude756 kilometers (408 nmi)
Inclination28.8 degrees
Period95.19 minutes
EpochJuly 19, 1966[1]
Docking with GATV-5005
Docking dateJuly 19, 1966, 04:15:00 UTC
Undocking dateJuly 20, 1966, 19:00:00 UTC
Time docked1 day, 14 hours, 45 minutes

(L-R) Young, Collins 

Gemini 10 (officially Gemini X)[2] was a 1966 crewed spaceflight in NASA's Gemini program. It was the 8th crewed Gemini flight, the 16th crewed American flight, and the 24th spaceflight of all time (includes X-15 flights over 100 kilometers (54 nautical miles)). During the mission, flown by future STS-1 Commander John Young and future Apollo 11 Command Module Pilot Michael Collins, Collins became the first person to perform two extravehicular activities.

  1. ^ McDowell, Jonathan. "SATCAT". Jonathan's Space Pages. Retrieved March 23, 2014.
  2. ^ Hacker, Barton C.; Grimwood, James M. (September 1974). "Chapter 11 Pillars of Confidence". On the Shoulders of Titans: A History of Project Gemini. NASA History Series. Vol. SP-4203. NASA. p. 239. Archived from the original on 2010-01-13. Retrieved 2013-09-26. With Gemini IV, NASA changed to Roman numerals for Gemini mission designations.

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