|Mission type||ISS resupply|
|Mission duration||199 days|
|Spacecraft type||Progress-M s/n 420|
|Launch mass||6950 kg|
|Start of mission|
|Launch date||27 July 2013, 20:45:08 UTC|
|Launch site||Baikonur, 31/6|
|End of mission|
|Decay date||11 February 2014, 15:55 UTC|
|Perigee altitude||413.0 km|
|Apogee altitude||418.0 km|
|Epoch||27 July 2013|
|Docking with ISS|
|Docking date||28 July 2013, 02:26 UTC|
|Undocking date||3 February 2014, 16:21 UTC|
|Time docked||190 days|
Progress M-20M (Russian: Прогресс М-20М), identified by NASA as Progress 52P, is a Progress spacecraft used by Roskosmos to resupply the International Space Station (ISS) during 2013. Progress M-20M was built by RKK Energia. Progress M-20M was launched on a 6-hours rendezvous profile towards the ISS. The 20th Progress-M 11F615A60 spacecraft to be launched, it had the serial number 420 and was built by RKK Energia.
Some last minute items were added to the Progress to assist the station astronauts with figuring out why the cooling system on one of the American spacesuits sprung a leak and caused a spacewalk to be aborted the previous week.
Progress M-20M undocked from the ISS on 3 February 2014.