2019-6-23。1165. Defense Support Program Satellites防衛支援プログラム衛星
Mission:使命
Air Force Space Command-operated Defense Support Program (DSP) satellites are a key part of North America's early warning systems. :空軍宇宙指揮による防衛支援プログラム(DSP)衛星は、北米の早期警戒システムの重要な部分です。
In their 22,300-mile, geosynchronous orbits, DSP satellites help protect the United States and its allies by detecting missile launches, space launches and nuclear detonations. :22,300マイルの静止軌道で、DSP衛星はミサイル発射、宇宙発射および核爆発を検出することによってアメリカ合衆国およびその同盟国を保護するのに役立ちます。
General Characteristics:一般的な特性
Primary mission: strategic and tactical missile launch detection
Contractor: Northrop-Grumman
Weight: 5,250 pounds (2,386 kilograms)
Orbit altitude: approximately 22,300 miles (35,970 kilometers)
Power plant: solar arrays generate 1,516 watts
Height: 32.8 feet (10 meters) on orbit; 28 feet (8.5 meters) at launch
Diameter: 22 feet (6.7 meters) on orbit; 13.7 feet (4.2 meters) at launch
Date deployed: 1970
Latest satellite block: sats 18-23
Unit cost: $400 million:4億ドル
Operational inventory: classified :機密扱い.
Primary mission: strategic and tactical missile launch detection
Contractor: Northrop-Grumman
Weight: 5,250 pounds (2,386 kilograms)
Orbit altitude: approximately 22,300 miles (35,970 kilometers)
Power plant: solar arrays generate 1,516 watts
Height: 32.8 feet (10 meters) on orbit; 28 feet (8.5 meters) at launch
Diameter: 22 feet (6.7 meters) on orbit; 13.7 feet (4.2 meters) at launch
Date deployed: 1970
Latest satellite block: sats 18-23
Unit cost: $400 million:4億ドル
Operational inventory: classified :機密扱い.
出典:Published November 23, 2015, Air Force Space Command, Public Affairs Office; 150 Vandenberg St., Suite 1105; Peterson AFB, Colo.
https://www.af.mil/About-Us/Fact-Sheets/Display/Article/104611/defense-support-program-satellites/