Progress M-25M

Traveling at 420 km over the Atlantic Ocean, the Russian cargo ship docking to the Pirs module.
Mission type	ISS resupply
Operator	Roskosmos
COSPAR ID	2014-067A
SATCAT no.	40292
Mission duration	178 days
Spacecraft properties
Spacecraft type	Progress-M s/n 425
Manufacturer	RKK Energia
Launch mass	7290 kg
Start of mission
Launch date	29 October 2014, 07:09:43 UTC[1]
Rocket	Soyuz-2.1a
Launch site	Baikonur, Site 31/6
End of mission
Disposal	Deorbited
Decay date	26 April 2015, 13:00 UTC
Orbital parameters
Reference system	Geocentric[2]
Regime	Low Earth
Perigee altitude	418.0 km
Apogee altitude	423.0 km
Inclination	51.67°
Period	92.85 minutes
Epoch	29 October 2014
Docking with ISS
Docking port	Pirs
Docking date	29 October 2014, 13:08 UTC
Undocking date	25 April 2015, 06:41:14 UTC[3]
Time docked	178 days
Cargo
Mass	2351 kg
Pressurised	1283 kg (dry cargo)
Fuel	880 kg
Gaseous	48 kg (oxygen and air)
Water	420 kg
Progress ISS Resupply ← Progress M-24M Progress M-26M →

Progress M-25M (Russian: Прогресс М-25М), identified by NASA as Progress 57P, is a Progress spacecraft used by Roskosmos to resupply the International Space Station (ISS) during 2014.^[4] Progress M-25M was launched on a six-hours rendezvous profile towards the ISS. The 25th Progress-M 11F615A60 spacecraft to be launched, it had the serial number 425 and was built by RKK Energia.

Launch

The spacecraft was launched on 29 October 2014 at 07:09:43 UTC from the Baikonur Cosmodrome in Kazakhstan.^[5] This was the first time the upgraded Soyuz-2.1a rocket was used for an ISS mission launch.^[6]

Docking

Traveling about 420 kilometres (260 mi) over the Atlantic Ocean, the unpiloted ISS Progress M-25M Russian cargo ship docked at 13:08 UTC on 29 October 2014 to the Pirs Docking Compartment of the International Space Station, less than six hours after launch.

Cargo

The Progress spacecraft carries 2351 kg of cargo and supplies to the International Space Station.^[7] The craft is delivering food, fuel and supplies, including 880 kg of propellant; 22 kg of oxygen; 26 kg of air; 420 kg of water; and 1283 kg of spare parts, supplies and experiment hardware for the six members of the Expedition 41 crew currently living and working in space. Progress M-25M is scheduled to remain docked to Pirs for six months.