Progress 4

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Progress 4
Progress drawing.svg
A Progress 7K-TG spacecraft
Mission typeSalyut 6 resupply
COSPAR ID1978-090A
SATCAT no.11040[1]
Spacecraft properties
SpacecraftProgress 4 (No.105)
Spacecraft typeProgress 7K-TG[2]
ManufacturerNPO Energia
Start of mission
Launch date3 October 1978, 23:09:30 (1978-10-03UTC23:09:30Z) UTC[1]
RocketSoyuz-U[2]
Launch siteBaikonur 1/5[2]
End of mission
DisposalDeorbited
Decay date26 October 1978, 16:28 (1978-10-26UTC16:29Z) GMT[3]
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Perigee altitude191 kilometres (119 mi)[3]
Apogee altitude266 kilometres (165 mi)[3]
Inclination51.7 degrees[3]
Period88.8 minutes[3]
Docking with Salyut 6
Docking portAft[4]
Docking date6 October 1978, 01:00:15 UTC[4]
Undocking date24 October 1978, 13:01:52 UTC[4]
Time docked18.5 days
 

Progress 4 (Russian: Прогресс 4), was a Soviet unmanned Progress cargo spacecraft which was launched in 1978 to resupply the Salyut 6 space station.

Launch[edit]

Progress 4 launched on 3 October 1978 from the Baikonur Cosmodrome in the Kazakh Soviet Socialist Republic. It used a Soyuz-U rocket.[2]

Docking[edit]

Progress 4 docked with Salyut 6 on 6 October 1978 at 01:00:15 GMT.[5]

See also[edit]

References[edit]

  1. ^ a b "Launchlog". Jonathan's Space Report. Retrieved 23 December 2017.
  2. ^ a b c d "Progress 1 - 42 (11F615A15, 7K-TG)". Gunter's Space Page. Retrieved 23 December 2017.
  3. ^ a b c d e "Progress 4". NASA. Retrieved 23 December 2017.
  4. ^ a b c "Cargo spacecraft "Progress-4"". Manned Astronautics figures & facts. Archived from the original on 10 September 2007.
  5. ^ "Salyut 6". Astronautix. Retrieved 23 December 2017.