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Launch of Voyager 2 on a Titan IIIE
Fact Sheet
Orbital Launches
First	6 January
Last	27 December
Total	130
Catalogued	124
Rockets
Maiden Flights	Mu-3H Tsyklon-3
Retirements	Kosmos-2I Titan IIIE
Manned flights
Orbital	3
Total travellers	6
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Spaceflight in 1977 included some important events such as the roll out of the space shuttle orbiter, Voyager 1 and Voyager space probes were launched. NASA received the space shuttle orbiter later named Enterprise, on 14 January. This unpowered sub-orbital space plane was launched off the top of a modified 747 and was flown unmanned until 13 August until a manned crew landed the Enterprise for the first time.

In August and September, the two Voyager spacecraft to the outer planets were launched. Voyager 2, launched on 20 August, went on to fly past Jupiter, Saturn, Uranus and Neptune. Voyager 1, which was launched on 5 September, flew past Jupiter and Saturn, with a planned flyby of Pluto being cancelled in favour of a closer flyby of Titan.^[1]

Launches

Date/Time (UTC)	Rocket		Launch site		LSP
	Payload	Operator	Orbit	Function	Decay (UTC)	Outcome
	Remarks
20 August 14:29:44	Titan IIIE		Cape Canaveral LC-41
	Voyager 2	NASA	Galactocentric	Planetary	In orbit	Successful Operational
	Spacecraft flew past Jupiter, Saturn, Uranus and Neptune, first spacecraft to visit Uranus and Neptune
5 September 12:56:01	Titan IIIE		Cape Canaveral LC-41
	Voyager 1	NASA	Galactocentric	Planetary	In orbit	Successful Operational
	Final flight of Titan IIIE, spacecraft flew past Jupiter and Saturn

References

Kyle, Ed. "Space Launch Repot". http://www.spacelaunchreport.com/.   Wade, Mark. "Encyclopedia Astronautica". http://www.astronautix.com.   Krebs, Gunter. "Chronology of Space Launches". Gunter's Space Page. http://space.skyrocket.de/index_frame.htm?http://space.skyrocket.de/chrono.htm.   "Space Information Center". JAXA. http://spaceinfo.jaxa.jp.   McDowell, Jonathan. "Jonathan's Space Report". Jonathan's Space Page. http://www.planet4589.org/jsr.html.   "Mission Set Database". NASA GSFC. http://msdb.gsfc.nasa.gov/launches.php.   "NASASpaceFlight.com". http://www.nasaspaceflight.com.   "Launch Logs". Orbital Report News Agency. http://www.orbireport.com/Log.html.   "Space Calendar". NASA JPL. http://www2.jpl.nasa.gov/calendar/.   "Southwest Space Archive". http://www.spacearchive.info/index.htm.   "Launch Forecast". SPACE.com. http://www.space.com/missionlaunches/launches/launch_schedule.html.   "Spaceflight Now". http://www.spaceflightnow.com.   Pietrobon, Steven. "Steven Pietrobon's Space Archive". http://www.sworld.com.au/steven/space/.   "U.S. Space Objects Registry". http://www.usspaceobjectsregistry.state.gov/.   "Хроника освоения космоса" (in Russian). http://www.cosmoworld.ru/spaceencyclopedia/chrono/index.shtml.

Generic references: view • talk • edit Spaceflight portal

Footnotes