{"id":10,"launch_library_id":16,"url":"https://lldev.thespacedevs.com/2.0.0/config/launcher/10/?format=json","name":"Long March 4B","description":"The Long March 4B (Chinese: 长征四号乙火箭), also known as the Chang Zheng 4B, CZ-4B and LM-4B is a Chinese orbital carrier rocket. Launched from Launch Complex 1 at the Taiyuan Satellite Launch Center, it is a 3-stage rocket, used mostly to place satellites into low Earth and sun synchronous orbits.","family":"Long March","full_name":"Long March 4B","manufacturer":{"id":88,"url":"https://lldev.thespacedevs.com/2.0.0/agencies/88/?format=json","name":"China Aerospace Science and Technology Corporation","featured":true,"type":"Government","country_code":"CHN","abbrev":"CASC","description":"The China Aerospace Science and Technology Corporation (CASC) is the main contractor for the Chinese space program. It is state-owned and has a number of subordinate entities which design, develop and manufacture a range of spacecraft, launch vehicles, strategic and tactical missile systems, and ground equipment. It was officially established in July 1999 as part of a Chinese government reform drive, having previously been one part of the former China Aerospace Corporation. Various incarnations of the program date back to 1956.","administrator":"Chairman & President: Lei Fanpei","founding_year":"1999","launchers":"Long March","spacecraft":"","launch_library_url":null,"total_launch_count":582,"consecutive_successful_launches":8,"successful_launches":567,"failed_launches":15,"pending_launches":12,"consecutive_successful_landings":0,"successful_landings":0,"failed_landings":1,"attempted_landings":1,"info_url":"https://english.spacechina.com/","wiki_url":"https://en.wikipedia.org/wiki/China_Aerospace_Science_and_Technology_Corporation","logo_url":"https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/china2520aerospace2520science2520and2520technology2520corporation_logo_20220826093937.png","image_url":"https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/china2520aerospace2520science2520and2520technology2520corporation_image_20191228094408.jpeg","nation_url":"https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/china2520aerospace2520science2520and2520technology2520corporation_nation_20230604193716.png"},"program":[],"variant":"B","alias":"","min_stage":3,"max_stage":3,"length":44.1,"diameter":3.35,"maiden_flight":"1999-05-10","launch_mass":249,"leo_capacity":4200,"gto_capacity":1500,"to_thrust":2961,"apogee":null,"vehicle_range":null,"image_url":"https://thespacedevs-dev.nyc3.digitaloceanspaces.com/media/images/long_march_4b_l_image_20251209044050.jpeg","info_url":null,"wiki_url":"https://en.wikipedia.org/wiki/Long_March_4B","total_launch_count":56,"consecutive_successful_launches":36,"successful_launches":55,"failed_launches":1,"pending_launches":0}