{"id":521,"launch_library_id":null,"url":"https://lldev.thespacedevs.com/2.0.0/config/launcher/521/?format=json","name":"Soyuz-5","description":"Soyuz-5, also named Irtysh is a planned Russian rocket that is being developed by JSC SRC Progress, formerly within \"Project Feniks.\" It will replace the capability of Zenit-2 and Proton Medium. It will initially be a two-stage rocket, but Soyuz 5 can be enhanced with an optional Blok DM-03 upper stage for geostationary missions.\r\n\r\nThe rocket is loosely based on the Zenit launch vehicle with a RD-171MV engine on the 1st stage, enlarged to 4.1 m in diameter, while the 2nd stage is powered by 2 RD-0124MS engines derived from engines used on the 3rd stage of the Soyuz-2.1b. The Soyuz-5 can lift 17 tonnes to a Low Earth orbit.","family":"Soyuz-5","full_name":"Soyuz-5","manufacturer":{"id":103,"url":"https://lldev.thespacedevs.com/2.0.0/agencies/103/?format=json","name":"RKK Energiya","featured":false,"type":"Commercial","country_code":"RUS","abbrev":"RSC","description":"","administrator":null,"founding_year":null,"launchers":"","spacecraft":"","launch_library_url":null,"total_launch_count":1,"consecutive_successful_launches":1,"successful_launches":1,"failed_launches":0,"pending_launches":0,"consecutive_successful_landings":0,"successful_landings":0,"failed_landings":0,"attempted_landings":0,"info_url":"https://www.energia.ru/english/","wiki_url":"https://en.wikipedia.org/wiki/S.P._Korolev_Rocket_and_Space_Corporation_Energia","logo_url":"https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/rkk_energiya_lo_image_20250921093034.png","image_url":null,"nation_url":"https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/rkk_energiya_so_image_20250921093044.png"},"program":[],"variant":"","alias":"Irtysh","min_stage":2,"max_stage":3,"length":65.258,"diameter":4.1,"maiden_flight":"2026-04-30","launch_mass":525,"leo_capacity":17000,"gto_capacity":5000,"to_thrust":7257,"apogee":null,"vehicle_range":null,"image_url":"https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/soyuz-5_at_baik_image_20260501030446.png","info_url":"https://russianspaceweb.com/soyuz5-lv.html","wiki_url":"https://en.wikipedia.org/wiki/Irtysh_(rocket)","total_launch_count":1,"consecutive_successful_launches":1,"successful_launches":1,"failed_launches":0,"pending_launches":0}