Launch List
AN API endpoint that returns all Launch objects or a single launch.
EXAMPLE - /launch/[id]/ or /launch/?mode=list&search=SpaceX
GET Return a list of all Launch objects.
FILTERS Fields - 'name', 'id(s)', 'lsp__id', 'lsp__name', 'serial_number', 'launcher_config__id', 'rocket__spacecraftflight__spacecraft__name', 'is_crewed', 'include_suborbital', 'spacecraft_config__ids', 'related', 'location__ids', 'lsp__ids', 'pad__ids', 'status__ids'
MODE 'normal', 'list', 'detailed'
EXAMPLE ?mode=list
SEARCH Searches through the launch name, rocket name, launch agency, mission name & spacecraft name.
EXAMPLE - ?search=SpaceX
GET /2.2.0/launch/?format=api&offset=3230&ordering=name
{ "count": 7916, "next": "https://ll.thespacedevs.com/2.2.0/launch/?format=api&limit=10&offset=3240&ordering=name", "previous": "https://ll.thespacedevs.com/2.2.0/launch/?format=api&limit=10&offset=3220&ordering=name", "results": [ { "id": "663fca52-ed06-484f-9f87-6d1a6a244241", "url": "https://ll.thespacedevs.com/2.2.0/launch/663fca52-ed06-484f-9f87-6d1a6a244241/?format=api", "slug": "long-march-2d-yunhai-1-01", "name": "Long March 2D | YunHai 1-01", "status": { "id": 3, "name": "Launch Successful", "abbrev": "Success", "description": "The launch vehicle successfully inserted its payload(s) into the target orbit(s)." }, "last_updated": "2023-06-14T15:48:05Z", "net": "2016-11-11T23:14:00Z", "window_end": "2016-11-11T23:29:00Z", "window_start": "2016-11-11T23:07:00Z", "net_precision": null, "probability": null, "weather_concerns": null, "holdreason": "", "failreason": null, "hashtag": null, "launch_service_provider": { "id": 88, "url": "https://ll.thespacedevs.com/2.2.0/agencies/88/?format=api", "name": "China Aerospace Science and Technology Corporation", "type": "Government" }, "rocket": { "id": 1963, "configuration": { "id": 17, "url": "https://ll.thespacedevs.com/2.2.0/config/launcher/17/?format=api", "name": "Long March 2D", "family": "Long March", "full_name": "Long March 2D", "variant": "D" } }, "mission": { "id": 347, "name": "Yunhai 1-01", "description": "The Yunhai-1 satellite is designed for detecting environmental elements in the atmosphere and ocean, the space environment, disaster prevention and reduction, and scientific experimentation. It is made by the Shanghai Institute of Spaceflight Technology.", "launch_designator": null, "type": "Earth Science", "orbit": { "id": 17, "name": "Sun-Synchronous Orbit", "abbrev": "SSO" }, "agencies": [], "info_urls": [], "vid_urls": [] }, "pad": { "id": 22, "url": "https://ll.thespacedevs.com/2.2.0/pad/22/?format=api", "agency_id": null, "name": "Launch Area 94 (SLS-2 / 603)", "description": "", "info_url": null, "wiki_url": "https://en.wikipedia.org/wiki/Jiuquan_Launch_Area_4", "map_url": "https://www.google.com/maps?q=40.960482,100.298059", "latitude": "40.960482", "longitude": "100.298059", "location": { "id": 17, "url": "https://ll.thespacedevs.com/2.2.0/location/17/?format=api", "name": "Jiuquan Satellite Launch Center, People's Republic of China", "country_code": "CHN", "description": "Jiuquan Satellite Launch Center is a Chinese spaceport located between the Ejin, Alxa, Inner Mongolia and Hangtian Town, Jinta County, Jiuquan, Gansu Province. It is part of the Dongfeng Aerospace City (Base 10).", "map_image": "https://thespacedevs-prod.nyc3.digitaloceanspaces.com/media/map_images/location_17_20200803142429.jpg", "timezone_name": "Asia/Shanghai", "total_launch_count": 290, "total_landing_count": 2 }, "country_code": "CHN", "map_image": "https://thespacedevs-prod.nyc3.digitaloceanspaces.com/media/map_images/pad_22_20200803143437.jpg", "total_launch_count": 136, "orbital_launch_attempt_count": 136 }, "webcast_live": false, "image": "https://thespacedevs-prod.nyc3.digitaloceanspaces.com/media/images/long2520march25202d_image_20190222031211.jpeg", "infographic": null, "program": [], "orbital_launch_attempt_count": 5599, "location_launch_attempt_count": 90, "pad_launch_attempt_count": 45, "agency_launch_attempt_count": 186, "orbital_launch_attempt_count_year": 70, "location_launch_attempt_count_year": 8, "pad_launch_attempt_count_year": 5, "agency_launch_attempt_count_year": 18, "type": "normal" }, { "id": "c4374626-efda-47c8-90cb-ff193b93b3a4", "url": "https://ll.thespacedevs.com/2.2.0/launch/c4374626-efda-47c8-90cb-ff193b93b3a4/?format=api", "slug": "long-march-2d-yunhai-1-02", "name": "Long March 2D | Yunhai-1-02", "status": { "id": 3, "name": "Launch Successful", "abbrev": "Success", "description": "The launch vehicle successfully inserted its payload(s) into the target orbit(s)." }, "last_updated": "2024-06-15T13:26:47Z", "net": "2019-09-25T00:54:34Z", "window_end": "2019-09-25T01:15:00Z", "window_start": "2019-09-25T00:48:00Z", "net_precision": { "id": 0, "name": "Second", "abbrev": "SEC", "description": "The T-0 is accurate to the second." }, "probability": null, "weather_concerns": null, "holdreason": "", "failreason": "", "hashtag": null, "launch_service_provider": { "id": 88, "url": "https://ll.thespacedevs.com/2.2.0/agencies/88/?format=api", "name": "China Aerospace Science and Technology Corporation", "type": "Government" }, "rocket": { "id": 2556, "configuration": { "id": 17, "url": "https://ll.thespacedevs.com/2.2.0/config/launcher/17/?format=api", "name": "Long March 2D", "family": "Long March", "full_name": "Long March 2D", "variant": "D" } }, "mission": { "id": 1041, "name": "Yunhai-1-02", "description": "The Yunhai-1 satellite is designed for detecting environmental elements in the atmosphere and ocean, the space environment, disaster prevention and reduction, and scientific experimentation. It is made by the Shanghai Institute of Spaceflight Technology.", "launch_designator": null, "type": "Earth Science", "orbit": null, "agencies": [], "info_urls": [], "vid_urls": [] }, "pad": { "id": 22, "url": "https://ll.thespacedevs.com/2.2.0/pad/22/?format=api", "agency_id": null, "name": "Launch Area 94 (SLS-2 / 603)", "description": "", "info_url": null, "wiki_url": "https://en.wikipedia.org/wiki/Jiuquan_Launch_Area_4", "map_url": "https://www.google.com/maps?q=40.960482,100.298059", "latitude": "40.960482", "longitude": "100.298059", "location": { "id": 17, "url": "https://ll.thespacedevs.com/2.2.0/location/17/?format=api", "name": "Jiuquan Satellite Launch Center, People's Republic of China", "country_code": "CHN", "description": "Jiuquan Satellite Launch Center is a Chinese spaceport located between the Ejin, Alxa, Inner Mongolia and Hangtian Town, Jinta County, Jiuquan, Gansu Province. It is part of the Dongfeng Aerospace City (Base 10).", "map_image": "https://thespacedevs-prod.nyc3.digitaloceanspaces.com/media/map_images/location_17_20200803142429.jpg", "timezone_name": "Asia/Shanghai", "total_launch_count": 290, "total_landing_count": 2 }, "country_code": "CHN", "map_image": "https://thespacedevs-prod.nyc3.digitaloceanspaces.com/media/map_images/pad_22_20200803143437.jpg", "total_launch_count": 136, "orbital_launch_attempt_count": 136 }, "webcast_live": false, "image": "https://thespacedevs-prod.nyc3.digitaloceanspaces.com/media/images/long2520march25202d_image_20190222031211.jpeg", "infographic": null, "program": [], "orbital_launch_attempt_count": 5888, "location_launch_attempt_count": 120, "pad_launch_attempt_count": 63, "agency_launch_attempt_count": 260, "orbital_launch_attempt_count_year": 68, "location_launch_attempt_count_year": 7, "pad_launch_attempt_count_year": 1, "agency_launch_attempt_count_year": 16, "type": "normal" }, { "id": "e68b0849-0bfb-4dd9-be8c-60ae2e6e4bf2", "url": "https://ll.thespacedevs.com/2.2.0/launch/e68b0849-0bfb-4dd9-be8c-60ae2e6e4bf2/?format=api", "slug": "long-march-2d-yunhai-1-03", "name": "Long March 2D | Yunhai-1-03", "status": { "id": 3, "name": "Launch Successful", "abbrev": "Success", "description": "The launch vehicle successfully inserted its payload(s) into the target orbit(s)." }, "last_updated": "2023-06-14T15:48:11Z", "net": "2022-09-20T23:15:00Z", "window_end": "2022-09-20T23:35:00Z", "window_start": "2022-09-20T23:06:00Z", "net_precision": null, "probability": null, "weather_concerns": null, "holdreason": "", "failreason": "", "hashtag": null, "launch_service_provider": { "id": 88, "url": "https://ll.thespacedevs.com/2.2.0/agencies/88/?format=api", "name": "China Aerospace Science and Technology Corporation", "type": "Government" }, "rocket": { "id": 7641, "configuration": { "id": 17, "url": "https://ll.thespacedevs.com/2.2.0/config/launcher/17/?format=api", "name": "Long March 2D", "family": "Long March", "full_name": "Long March 2D", "variant": "D" } }, "mission": { "id": 6145, "name": "Yunhai-1-03", "description": "The Yunhai-1 satellite is designed for detecting environmental elements in the atmosphere and ocean, the space environment, disaster prevention and reduction, and scientific experimentation. It is made by the Shanghai Institute of Spaceflight Technology.", "launch_designator": null, "type": "Earth Science", "orbit": { "id": 17, "name": "Sun-Synchronous Orbit", "abbrev": "SSO" }, "agencies": [], "info_urls": [], "vid_urls": [] }, "pad": { "id": 22, "url": "https://ll.thespacedevs.com/2.2.0/pad/22/?format=api", "agency_id": null, "name": "Launch Area 94 (SLS-2 / 603)", "description": "", "info_url": null, "wiki_url": "https://en.wikipedia.org/wiki/Jiuquan_Launch_Area_4", "map_url": "https://www.google.com/maps?q=40.960482,100.298059", "latitude": "40.960482", "longitude": "100.298059", "location": { "id": 17, "url": "https://ll.thespacedevs.com/2.2.0/location/17/?format=api", "name": "Jiuquan Satellite Launch Center, People's Republic of China", "country_code": "CHN", "description": "Jiuquan Satellite Launch Center is a Chinese spaceport located between the Ejin, Alxa, Inner Mongolia and Hangtian Town, Jinta County, Jiuquan, Gansu Province. It is part of the Dongfeng Aerospace City (Base 10).", "map_image": "https://thespacedevs-prod.nyc3.digitaloceanspaces.com/media/map_images/location_17_20200803142429.jpg", "timezone_name": "Asia/Shanghai", "total_launch_count": 290, "total_landing_count": 2 }, "country_code": "CHN", "map_image": "https://thespacedevs-prod.nyc3.digitaloceanspaces.com/media/map_images/pad_22_20200803143437.jpg", "total_launch_count": 136, "orbital_launch_attempt_count": 136 }, "webcast_live": false, "image": "https://thespacedevs-prod.nyc3.digitaloceanspaces.com/media/images/long2520march25202d_image_20190222031211.jpeg", "infographic": null, "program": [], "orbital_launch_attempt_count": 6301, "location_launch_attempt_count": 174, "pad_launch_attempt_count": 92, "agency_launch_attempt_count": 385, "orbital_launch_attempt_count_year": 119, "location_launch_attempt_count_year": 17, "pad_launch_attempt_count_year": 9, "agency_launch_attempt_count_year": 33, "type": "normal" }, { "id": "703279c5-c667-43ca-9947-bddba3f91efe", "url": "https://ll.thespacedevs.com/2.2.0/launch/703279c5-c667-43ca-9947-bddba3f91efe/?format=api", "slug": "long-march-2d-yunhai-1-04", "name": "Long March 2D | Yunhai-1-04", "status": { "id": 3, "name": "Launch Successful", "abbrev": "Success", "description": "The launch vehicle successfully inserted its payload(s) into the target orbit(s)." }, "last_updated": "2024-03-05T17:53:00Z", "net": "2023-10-15T00:54:00Z", "window_end": "2023-10-15T01:15:00Z", "window_start": "2023-10-15T00:46:00Z", "net_precision": { "id": 1, "name": "Minute", "abbrev": "MIN", "description": "The T-0 is accurate to the minute." }, "probability": null, "weather_concerns": null, "holdreason": "", "failreason": "", "hashtag": null, "launch_service_provider": { "id": 88, "url": "https://ll.thespacedevs.com/2.2.0/agencies/88/?format=api", "name": "China Aerospace Science and Technology Corporation", "type": "Government" }, "rocket": { "id": 8043, "configuration": { "id": 17, "url": "https://ll.thespacedevs.com/2.2.0/config/launcher/17/?format=api", "name": "Long March 2D", "family": "Long March", "full_name": "Long March 2D", "variant": "D" } }, "mission": { "id": 6590, "name": "Yunhai-1-04", "description": "The Yunhai-1 satellite is designed for detecting environmental elements in the atmosphere and ocean, the space environment, disaster prevention and reduction, and scientific experimentation. It is made by the Shanghai Institute of Spaceflight Technology.", "launch_designator": null, "type": "Earth Science", "orbit": { "id": 17, "name": "Sun-Synchronous Orbit", "abbrev": "SSO" }, "agencies": [], "info_urls": [], "vid_urls": [] }, "pad": { "id": 22, "url": "https://ll.thespacedevs.com/2.2.0/pad/22/?format=api", "agency_id": null, "name": "Launch Area 94 (SLS-2 / 603)", "description": "", "info_url": null, "wiki_url": "https://en.wikipedia.org/wiki/Jiuquan_Launch_Area_4", "map_url": "https://www.google.com/maps?q=40.960482,100.298059", "latitude": "40.960482", "longitude": "100.298059", "location": { "id": 17, "url": "https://ll.thespacedevs.com/2.2.0/location/17/?format=api", "name": "Jiuquan Satellite Launch Center, People's Republic of China", "country_code": "CHN", "description": "Jiuquan Satellite Launch Center is a Chinese spaceport located between the Ejin, Alxa, Inner Mongolia and Hangtian Town, Jinta County, Jiuquan, Gansu Province. It is part of the Dongfeng Aerospace City (Base 10).", "map_image": "https://thespacedevs-prod.nyc3.digitaloceanspaces.com/media/map_images/location_17_20200803142429.jpg", "timezone_name": "Asia/Shanghai", "total_launch_count": 290, "total_landing_count": 2 }, "country_code": "CHN", "map_image": "https://thespacedevs-prod.nyc3.digitaloceanspaces.com/media/map_images/pad_22_20200803143437.jpg", "total_launch_count": 136, "orbital_launch_attempt_count": 136 }, "webcast_live": false, "image": "https://thespacedevs-prod.nyc3.digitaloceanspaces.com/media/images/long2520march_image_20231015053653.jpg", "infographic": null, "program": [], "orbital_launch_attempt_count": 6536, "location_launch_attempt_count": 208, "pad_launch_attempt_count": 108, "agency_launch_attempt_count": 438, "orbital_launch_attempt_count_year": 168, "location_launch_attempt_count_year": 26, "pad_launch_attempt_count_year": 12, "agency_launch_attempt_count_year": 33, "type": "normal" }, { "id": "936a4871-997f-404c-ae52-58082da75303", "url": "https://ll.thespacedevs.com/2.2.0/launch/936a4871-997f-404c-ae52-58082da75303/?format=api", "slug": "long-march-2dyz-3-3-x-satnet-test-satellites", "name": "Long March 2D/YZ-3 | 3 x SatNet test satellites", "status": { "id": 3, "name": "Launch Successful", "abbrev": "Success", "description": "The launch vehicle successfully inserted its payload(s) into the target orbit(s)." }, "last_updated": "2024-03-05T17:42:55Z", "net": "2023-11-23T10:00:04Z", "window_end": "2023-11-23T10:15:00Z", "window_start": "2023-11-23T09:52:00Z", "net_precision": { "id": 0, "name": "Second", "abbrev": "SEC", "description": "The T-0 is accurate to the second." }, "probability": null, "weather_concerns": null, "holdreason": "", "failreason": "", "hashtag": null, "launch_service_provider": { "id": 88, "url": "https://ll.thespacedevs.com/2.2.0/agencies/88/?format=api", "name": "China Aerospace Science and Technology Corporation", "type": "Government" }, "rocket": { "id": 8097, "configuration": { "id": 176, "url": "https://ll.thespacedevs.com/2.2.0/config/launcher/176/?format=api", "name": "Long March 2D/YZ-3", "family": "Long March", "full_name": "Long March 2D/YZ-3", "variant": "D/YZ-3" } }, "mission": { "id": 6654, "name": "3 x SatNet test satellites", "description": "Officially described as \"Satellite-Internet Technology Demonstration Satellite(s)\" built by Chinese Academy of Sciences. Probable 3 (?) test satellites for the Chinese state-owned LEO communication satellite constellation SatNet.", "launch_designator": null, "type": "Communications", "orbit": { "id": 8, "name": "Low Earth Orbit", "abbrev": "LEO" }, "agencies": [], "info_urls": [], "vid_urls": [] }, "pad": { "id": 66, "url": "https://ll.thespacedevs.com/2.2.0/pad/66/?format=api", "agency_id": 17, "name": "Launch Complex 3 (LC-3/LA-1)", "description": "", "info_url": null, "wiki_url": "https://en.wikipedia.org/wiki/Xichang_Satellite_Launch_Center", "map_url": "https://www.google.com/maps?q=28.247059,102.029008", "latitude": "28.247059", "longitude": "102.029008", "location": { "id": 16, "url": "https://ll.thespacedevs.com/2.2.0/location/16/?format=api", "name": "Xichang Satellite Launch Center, People's Republic of China", "country_code": "CHN", "description": "The Xichang Satellite Launch Center is a spaceport in China. It is located in Zeyuan Town, northwest of Xichang, Liangshan Yi Autonomous Prefecture in Sichuan.", "map_image": "https://thespacedevs-prod.nyc3.digitaloceanspaces.com/media/map_images/location_16_20200803142513.jpg", "timezone_name": "Asia/Shanghai", "total_launch_count": 241, "total_landing_count": 0 }, "country_code": "CHN", "map_image": "https://thespacedevs-prod.nyc3.digitaloceanspaces.com/media/map_images/pad_66_20200803143611.jpg", "total_launch_count": 108, "orbital_launch_attempt_count": 108 }, "webcast_live": false, "image": "https://thespacedevs-prod.nyc3.digitaloceanspaces.com/media/images/long2520march_image_20231231163107.jpeg", "infographic": null, "program": [], "orbital_launch_attempt_count": 6558, "location_launch_attempt_count": 196, "pad_launch_attempt_count": 85, "agency_launch_attempt_count": 445, "orbital_launch_attempt_count_year": 190, "location_launch_attempt_count_year": 13, "pad_launch_attempt_count_year": 7, "agency_launch_attempt_count_year": 40, "type": "normal" }, { "id": "2de44368-01af-448f-b0fb-d7aacdd86c0e", "url": "https://ll.thespacedevs.com/2.2.0/launch/2de44368-01af-448f-b0fb-d7aacdd86c0e/?format=api", "slug": "long-march-2dyz-3-high-speed-laser-diamond-constel", "name": "Long March 2D/YZ-3 | High Speed Laser Diamond Constellation Test System", "status": { "id": 3, "name": "Launch Successful", "abbrev": "Success", "description": "The launch vehicle successfully inserted its payload(s) into the target orbit(s)." }, "last_updated": "2024-12-13T04:55:24Z", "net": "2024-12-12T07:17:00Z", "window_end": "2024-12-12T09:57:00Z", "window_start": "2024-12-12T07:08:00Z", "net_precision": { "id": 1, "name": "Minute", "abbrev": "MIN", "description": "The T-0 is accurate to the minute." }, "probability": null, "weather_concerns": null, "holdreason": "", "failreason": "", "hashtag": null, "launch_service_provider": { "id": 88, "url": "https://ll.thespacedevs.com/2.2.0/agencies/88/?format=api", "name": "China Aerospace Science and Technology Corporation", "type": "Government" }, "rocket": { "id": 8318, "configuration": { "id": 176, "url": "https://ll.thespacedevs.com/2.2.0/config/launcher/176/?format=api", "name": "Long March 2D/YZ-3", "family": "Long March", "full_name": "Long March 2D/YZ-3", "variant": "D/YZ-3" } }, "mission": { "id": 6899, "name": "High Speed Laser Diamond Constellation Test System", "description": "5 prototype satellites for Low Earth Orbit communications satellite constellation testing, in 3 different orbits.", "launch_designator": null, "type": "Communications", "orbit": { "id": 8, "name": "Low Earth Orbit", "abbrev": "LEO" }, "agencies": [], "info_urls": [], "vid_urls": [] }, "pad": { "id": 22, "url": "https://ll.thespacedevs.com/2.2.0/pad/22/?format=api", "agency_id": null, "name": "Launch Area 94 (SLS-2 / 603)", "description": "", "info_url": null, "wiki_url": "https://en.wikipedia.org/wiki/Jiuquan_Launch_Area_4", "map_url": "https://www.google.com/maps?q=40.960482,100.298059", "latitude": "40.960482", "longitude": "100.298059", "location": { "id": 17, "url": "https://ll.thespacedevs.com/2.2.0/location/17/?format=api", "name": "Jiuquan Satellite Launch Center, People's Republic of China", "country_code": "CHN", "description": "Jiuquan Satellite Launch Center is a Chinese spaceport located between the Ejin, Alxa, Inner Mongolia and Hangtian Town, Jinta County, Jiuquan, Gansu Province. It is part of the Dongfeng Aerospace City (Base 10).", "map_image": "https://thespacedevs-prod.nyc3.digitaloceanspaces.com/media/map_images/location_17_20200803142429.jpg", "timezone_name": "Asia/Shanghai", "total_launch_count": 290, "total_landing_count": 2 }, "country_code": "CHN", "map_image": "https://thespacedevs-prod.nyc3.digitaloceanspaces.com/media/map_images/pad_22_20200803143437.jpg", "total_launch_count": 136, "orbital_launch_attempt_count": 136 }, "webcast_live": false, "image": "https://thespacedevs-prod.nyc3.digitaloceanspaces.com/media/images/long_march_2d2_image_20231123203521.jpeg", "infographic": null, "program": [], "orbital_launch_attempt_count": 6831, "location_launch_attempt_count": 238, "pad_launch_attempt_count": 119, "agency_launch_attempt_count": 498, "orbital_launch_attempt_count_year": 242, "location_launch_attempt_count_year": 20, "pad_launch_attempt_count_year": 8, "agency_launch_attempt_count_year": 46, "type": "normal" }, { "id": "ca4bba85-3828-4644-a58d-715d6e79a778", "url": "https://ll.thespacedevs.com/2.2.0/launch/ca4bba85-3828-4644-a58d-715d6e79a778/?format=api", "slug": "long-march-2dyz-3-hongyan-1-yunhai-2-group-01", "name": "Long March 2D/YZ-3 | Hongyan-1 & Yunhai-2 Group 01", "status": { "id": 3, "name": "Launch Successful", "abbrev": "Success", "description": "The launch vehicle successfully inserted its payload(s) into the target orbit(s)." }, "last_updated": "2024-06-15T14:19:12Z", "net": "2018-12-29T08:00:05Z", "window_end": "2018-12-29T08:24:00Z", "window_start": "2018-12-29T07:53:00Z", "net_precision": { "id": 0, "name": "Second", "abbrev": "SEC", "description": "The T-0 is accurate to the second." }, "probability": null, "weather_concerns": null, "holdreason": "", "failreason": "", "hashtag": null, "launch_service_provider": { "id": 88, "url": "https://ll.thespacedevs.com/2.2.0/agencies/88/?format=api", "name": "China Aerospace Science and Technology Corporation", "type": "Government" }, "rocket": { "id": 2190, "configuration": { "id": 176, "url": "https://ll.thespacedevs.com/2.2.0/config/launcher/176/?format=api", "name": "Long March 2D/YZ-3", "family": "Long March", "full_name": "Long March 2D/YZ-3", "variant": "D/YZ-3" } }, "mission": { "id": 953, "name": "Hongyan-1 & Yunhai-2 Group 01", "description": "Hongyan-1 is the first demonstration satellite for Hongyan, which is a planned constellation consisting of 320 satellites in low Earth orbit.\r\n\r\nYunhai-2 is a constellation of Chinese military meteorological satellites. 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