Progress M-50

Progress M-50 (Russian: Прогресс М-50), identified by NASA as Progress 15P, was a Progress spacecraft used to resupply the International Space Station. It was a Progress-M 11F615A55 spacecraft, with the serial number 350.^[1]

Progress M-50

Progress M-50 departing the ISS.
Mission type	ISS resupply
Operator	Roskosmos
COSPAR ID	2004-032A
SATCAT no.	28399
Mission duration	134 days
Spacecraft properties
Spacecraft type	Progress-M s/n 350
Manufacturer	RKK Energia
Start of mission
Launch date	11 August 2004, 05:03:07 UTC
Rocket	Soyuz-U
Launch site	Baikonur, Site 1/5
End of mission
Disposal	Deorbited
Decay date	22 December 2004, 23:23:38 UTC
Orbital parameters
Reference system	Geocentric
Regime	Low Earth
Perigee altitude	352 km
Apogee altitude	363 km
Inclination	51.6°
Period	91.7 minutes
Epoch	11 August 2004
Docking with ISS
Docking port	Zvezda aft
Docking date	14 August 2004, 05:01:08 UTC
Undocking date	22 December 2004, 19:37:02 UTC
Time docked	131 days
Cargo
Mass	2500 kg
Progress ISS Resupply ← Progress M-49 Progress M-51 →

Launch & Docking

Progress M-50 was launched by a Soyuz-U carrier rocket from Site 1/5 at the Baikonur Cosmodrome. Launch occurred at 05:03:07 UTC on 11 August 2004.^[1] The spacecraft docked with the aft port of the Zvezda module at 05:01:08 UTC on 14 August 2004.^[2][3]

It remained docked for 131 days before undocking at 19:37:02 UTC on 22 December 2004.^[2] to make way for Progress M-51.^[4] It was deorbited at 22:32:06 UTC on 22 December 2004.^[2] The spacecraft burned up in the atmosphere over the Pacific Ocean, with any remaining debris landing in the ocean at around 23:23:38 UTC.^[2][5]

Progress M-50 carried supplies to the International Space Station, including food, water and oxygen for the crew and equipment for conducting scientific research.

See also

• Spaceflight portal

• List of Progress flights
• Uncrewed spaceflights to the International Space Station