Encyclopedia Astronautica
Progress M-SO



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Pirs / Progress MSO-
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Pirs Module
Russian docking and airlock module for the International Space Station. First launch 2001.09.14. Delivered to the station by the Progress service module, which was jettisoned after docking.

The Russian docking and airlock module for the International Space Station. The Stikovochniy Otsek No. 1 (SO1, Docking Module 1), article 240GK No. 1L, was built by Energia and derived from Soyuz hardware. It had a mass of around 3900 kg and was a 4.1 m long, 2.6 m diameter ovoid. The SO1 was named Pirs (Russian for "pier") and was delivered to the station by Progress M-SO1 in a completely automatic rendezvous and docking operation. Pirs provided extra clearance from the Station for ships docking underneath Zvezda, and was used as an airlock for spacewalks using the Russian Orlan EVA suits.

Gross mass: 7,250 kg (15,980 lb).
Payload: 3,900 kg (8,500 lb).
Height: 6.40 m (20.90 ft).
Diameter: 2.60 m (8.50 ft).
First Launch: 2001.09.14.
Last Launch: 2009.11.10.
Number: 2 .

More... - Chronology...


Associated Countries
Associated Spacecraft
  • Progress M PAO Russian manned spacecraft module. Operational, first launch 1989.08.23 (Progress M-1). Improved PAO service module derived from Soyuz 7K-S with pressure-fed main engines and unitary RCS/main engine propellant feed system. Equipment-engine section. More...
  • ISS Pirs Russian manned space station module. One launch, 2001.09.14. Russian docking and airlock module for the International Space Station. The Stikovochniy Otsek No. 1 (SO1, Docking Module 1), article 240GK No. More...

See also
  • Soyuz The Russian Soyuz spacecraft has been the longest-lived, most adaptable, and most successful manned spacecraft design. In production for fifty years, more than 240 have been built and flown on a wide range of missions. The design will remain in use with the international space station well into the 21st century, providing the only manned access to the station after the retirement of the shuttle in 2011. More...

Associated Launch Vehicles
  • Soyuz Russian orbital launch vehicle. The world's first ICBM became the most often used and most reliable launch vehicle in history. The original core+four strap-on booster missile had a small third stage added to produce the Vostok launch vehicle, with a payload of 5 metric tons. Addition of a larger third stage produced the Voskhod/Soyuz vehicle, with a payload over 6 metric tons. Using this with a fourth stage, the resulting Molniya booster placed communications satellites and early lunar and planetary probes in higher energy trajectories. By the year 2000 over 1,628 had been launched with an unmatched success rate of 97.5% for production models. Improved models providing commercial launch services for international customers entered service in the new millenium, and a new launch pad at Kourou was to be inaugurated in 2009. It appeared that the R-7 could easily still be in service 70 years after its first launch. More...
  • Soyuz 11A511U Russian standardised man-rated orbital launch vehicle derived from the original R-7 ICBM of 1957. It has been launched in greater numbers than any orbital launch vehicle in history. Not coincidentally, it has been the most reliable as well. After over 40 years service in Russia, ESA built a new launch pad at Kourou which will keep it in service from three launch sites in three countries well into the mid-21st Century. More...

Associated Manufacturers and Agencies
  • Korolev Russian manufacturer of rockets, spacecraft, and rocket engines. Korolev Design Bureau, Kaliningrad, Russia. More...

Associated Programs
  • ISS Finally completed in 2010 after a torturous 25-year development and production process, the International Space Station was originally conceived as the staging post for manned exploration of the solar systrem. Instead, it was seemed to be the death knell of manned spaceflight. More...

Bibliography
  • McDowell, Jonathan, Jonathan's Space Home Page (launch records), Harvard University, 1997-present. Web Address when accessed: here.
  • National Space Science Center Planetary Page, As of 19 February 1999.. Web Address when accessed: here.
  • NASA/GSFC Orbital Information Group Website, Web Address when accessed: here.
  • Space-Launcher.com, Orbital Report News Agency. Web Address when accessed: here.

Associated Launch Sites
  • Baikonur Russia's largest cosmodrome, the only one used for manned launches and with facilities for the larger Proton, N1, and Energia launch vehicles. The spaceport ended up on foreign soil after the break-up of Soviet Union. The official designations NIIP-5 and GIK-5 are used in official Soviet histories. It was also universally referred to as Tyuratam by both Soviet military staff and engineers, and the US intelligence agencies. Since the dissolution of the Soviet Union the Russian Federation has insisted on continued use of the old Soviet 'public' name of Baikonur. In its Kazakh (Kazak) version this is rendered Baykonur. More...

Progress M-SO Chronology


2001 September 14 - . 23:34 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Soyuz 11A511U. LV Configuration: Soyuz 11A511U 677.
  • Progress M-SO1 - . Payload: Progress M-SO1 s/n 301. Mass: 6,900 kg (15,200 lb). Nation: Russia. Agency: RAKA. Program: ISS. Class: Manned. Type: Manned logistics spacecraft. Flight: ISS EO-3. Spacecraft: Progress M-SO. Duration: 12.00 days. Decay Date: 2001-09-26 . USAF Sat Cat: 26908 . COSPAR: 2001-041A. Apogee: 335 km (208 mi). Perigee: 329 km (204 mi). Inclination: 51.6000 deg. Period: 91.20 min. Progress M-SO1 was the designation given to the service module section of a Progress M; the 3900 kg Pirs docking and airlock module for the ISS replaced the standard cargo and fuel sections. It also carried an astronaut chair, a space suit, a small crane, and some equipment for the Zvezda module of the ISS. Progress-M No. 301 was launched into an initial 180 km circular orbit. By September 16 it had maneuvered into a 238 x 264 km orbit; by 0038 GMT on September 17, a 385 x 395 km x 51.6 deg orbit upon rendezvous with the ISS. The Progress began a fly around of the station and lined up with the nadir port on Zvezda. Docking of Pirs with Zvezda came at 0105 GMT on September 17. The Progress M-SO1 later undocked from the Pirs nadir port to leave it free for future dockings. Pirs gave extra clearance from the Station for ships docking underneath Zvezda, and was also used as an airlock for spacewalks using the Russian Orlan EVA suits. Progress M-SO1 service module undocked from the Pirs module at 1536 GMT on September 26 and was deorbited over the Pacific at 2330 GMT the same day.

2009 November 10 - . 14:22 GMT - . Launch Site: Baikonur. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Poisk - . Payload: Progress M s/n 302 / 240GK s/n 2L. Mass: 3,670 kg (8,090 lb). Nation: Russia. Agency: RKA. Spacecraft: Progress M-SO. USAF Sat Cat: 36086 . COSPAR: 2009-060A. Perigee: 11 km (6 mi). Docking/research module for the ISS, consisting of a pressurized Small Research Module and a Progress M service module. Docked at the zenith port of the Zvezda module of the ISS at 15:41 GMT on 12 November. On 8 December at 00:16 GMT the service module separated from Small Research Module, leaving the docking port clear for future spacecraft visiting the ISS. At 04:48 GMT the service module retrofired into a descructive reentry over the Pacific at 05:27 GMT.

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