Space domain awareness
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Space domain awareness is the study and monitoring of satellites orbiting the Earth. It involves the detection, tracking, cataloging and identification of artificial objects, i.e. active/inactive satellites, spent rocket bodies, or fragmentation debris.
Aims
[edit]Space domain awareness accomplishes the following:
- Predicting when and where a decaying space object will re-enter the Earth's atmosphere;
- Preventing a returning space object, which to radar looks like a missile, from triggering a false alarm in missile-attack warning sensors;[1]
- Charting the present position of space objects and plot their anticipated orbital paths;
- Detecting new man-made objects in space;
- Producing a running catalogue of man-made space objects;
- Determining which country owns a re-entering space object;[1]
- Informing countries whether or not objects may interfere with satellites and International Space Station orbits;
- Providing data for future anti-satellite weapons systems.
Systems
[edit]![](http://upload.wikimedia.org/wikipedia/commons/thumb/7/7b/The_Night_Watchmen_%283388916%29.jpeg/220px-The_Night_Watchmen_%283388916%29.jpeg)
Systems include:
- The DEEP-Sight prototype, designed by Deepinder Uppal on behalf of the Defense Innovation Unit, this system is designed to provide space domain awareness across a broad-spectrum of SDA use cases to Space Force, the United States Navy and PSRA (Public Satellite Research and Analysis) teams. [2]
- The United States Space Surveillance Network which has detectors such as the Space Fence (replacing the now defunct Air Force Space Surveillance System) and Space Surveillance Telescope[1]
- The Russian Centre for Outer Space Monitoring with facilities such as Okno and Krona and Sazhen-S, used to analyse the orbital parameters of space craft.
- The French GRAVES (Grand Réseau Adapté à la Veille Spatiale) bi-static radar-based space surveillance system deploy by French Air Force
- The European Space Situational Awareness Programme with multiple assets in its Space Surveillance and Tracking Segment
- The Australian based Silentium Defence Oculus passive radar space observatory in Swan Reach, South Australia[3]
- The American National Reconnaissance Office's Skybarker satellites[4]
![](http://upload.wikimedia.org/wikipedia/commons/thumb/c/c2/Silentium_Defence_Passive_Radar_for_SDA_-_low_resolution_2.jpg/220px-Silentium_Defence_Passive_Radar_for_SDA_-_low_resolution_2.jpg)
References
[edit]- ^ a b c "Space Surveillance". www.au.af.mil. Retrieved 2016-12-06.
- ^ "DIU".
- ^ "World-class observatory to track space objects". www.space.gov.au. Australian Space Agrency. 14 November 2022. Retrieved 9 January 2024.
- ^ "Silentbarker". Gunter's Space Page. Retrieved 2023-09-12.