Mission type ISS resupply COSPAR ID 2005-047A Inclination 51.6° Decay date 19 June 2006 | Operator Roskosmos Disposal Deorbited Launch date 21 December 2005 | |
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Manufacturer S. P. Korolev Rocket and Space Corporation Energia Similar Progress M‑45, Progress M‑53, Progress M‑57, Progress M‑51, Progress M‑58 | ||
Progress M-55, identified by NASA as Progress 20 or 20P, was a Progress spacecraft used to resupply the International Space Station. It was a Progress-M 11F615A55 spacecraft, with the serial number 355.
Progress M-55 was launched by a Soyuz-U carrier rocket from Site 1/5 at the Baikonur Cosmodrome. Launch occurred at 18:38:20 GMT on 21 December 2005. The spacecraft docked with the Pirs module at 19:46:18 GMT on 23 December. It remained docked for almost six months before undocking at 14:06:01 GMT on 19 June 2006 to make way for Progress M-57. It was deorbited at 17:06:01 GMT on 19 June 2006. The spacecraft burned up in the atmosphere over the Pacific Ocean, with any remaining debris landing in the ocean at around 17:53:14 GMT.
Progress M-55 carried supplies to the International Space Station, including food, water and oxygen for the crew and equipment for conducting scientific research.