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Passive optical space surveillance system for initial LEO object detection

Wagner, Paul and Hampf, Daniel and Riede, Wolfgang (2015) Passive optical space surveillance system for initial LEO object detection. In: Proceedings of the International Astronautical Congress, IAC. 66th International Astronautical Congress, 12.-16. Okt. 2015, Jerusalem, Israel.

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In order to avoid collisions of active satellites with space debris, the low earth orbit (LEO) object population must be continuously scanned and the orbits of all objects must be updated regularly. Passive and active optical observation methods can deliver high accuracy time resolved position measurements of LEO objects allowing accurate orbit determination. Space debris laser ranging stations need accurate a priori orbit information on the position of the object in order to observe it. The Institute of Technical Physics at the German Aerospace Center in Stuttgart operates an observatory to perform passive as well as active optical measurements to LEO objects. To detect unknown objects a wide-angle imaging system with 15° field of view equipped with an astronomical CCD camera was designed and set up to continuously observe the sky for LEO objects. The system is capable of detecting 25 objects per hour on observation campaigns during twilight at the observatory in city center. The angular coordinates of detected objects are measured roughly without any a priori information. This paper evaluates the properties of such a “stare” system experimentally. Additionally simulations are performed with ESA PROOF software to validate the measurements and obtain system performance. The simulation show that objects as small as 50 cm can be detected by the system and 60% of all objects larger than 1 m are detected.

Item URL in elib:https://elib.dlr.de/99799/
Document Type:Conference or Workshop Item (Poster)
Title:Passive optical space surveillance system for initial LEO object detection
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Wagner, Paulpaul.wagner (at) dlr.deUNSPECIFIED
Hampf, Danieldaniel.hampf (at) dlr.deUNSPECIFIED
Riede, WolfgangWolfgang.Riede (at) dlr.deUNSPECIFIED
Date:October 2015
Journal or Publication Title:Proceedings of the International Astronautical Congress, IAC
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:LEO, staring camera, passive optical, SSA, space surveillance, stare and chase, image processing, inital object detection, Uncued Surveillance of LEO
Event Title:66th International Astronautical Congress
Event Location:Jerusalem, Israel
Event Type:international Conference
Event Dates:12.-16. Okt. 2015
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space System Technology
DLR - Research area:Raumfahrt
DLR - Program:R SY - Space System Technology
DLR - Research theme (Project):R - Vorhaben Laserbasiertes SSA (old)
Location: Stuttgart
Institutes and Institutions:Institute of Technical Physics
Deposited By: Wagner, Paul
Deposited On:21 Dec 2015 14:06
Last Modified:30 Mar 2021 09:33

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