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GPS based prediction of the instantaneous impact point for sounding rockets

Montenbruck, Oliver and Markgraf, Markus and Jung, Wolfgang and Bull, Barton and Engler, Wolfgang (2001) GPS based prediction of the instantaneous impact point for sounding rockets. Aerospace Science and Technology, 6 (4), pp. 283-294. Elsevier. DOI: 10.1016/S1270-9638(02)01163-X.

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As part of the range safety operations during a sounding rocket launch, a real-time prediction of the instantaneous impact point (IIP) is performed to monitor the expected touch down point in case of a boost termination. Supplementary to traditional radar tracking, the IIP prediction is nowadays based on GPS navigation data, which offer an inherently higher accuracy and reduced data noise. To comply with the increased tracking performance, a consistent set of equations suitable for real-time computation of the approximate IIP is established. Aside from a consideration of gravitational forces, reference frame rotation and Earth curvature, the model can also account for drag during the ascent trajectory provided that a priori information on the ballistic properties of the launch vehicle is available. The algorithm is tested for a representative set of mission profiles and applied to GPS flight data of an Improved Orion rocket and a Maxus rocket launched at Esrange, Kiruna.

Document Type:Article
Title:GPS based prediction of the instantaneous impact point for sounding rockets
AuthorsInstitution or Email of Authors
Montenbruck, OliverUNSPECIFIED
Markgraf, MarkusUNSPECIFIED
Bull, BartonNASA/GSFC
Engler, WolfgangKayser-Threde
Date:24 September 2001
Journal or Publication Title:Aerospace Science and Technology
Refereed publication:Yes
In ISI Web of Science:Yes
Page Range:pp. 283-294
Keywords:Instantaner Auftreffpunkt, GPS, Höhenforschungsraketen , Instantaneous impact point, GPS, Sounding rockets
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W SY - Technik für Raumfahrtsysteme
DLR - Research area:Space
DLR - Program:W SY - Technik für Raumfahrtsysteme
DLR - Research theme (Project):W -- no assignement (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Space Operations and Astronaut Training
Deposited By: Dr.rer.nat.hab. Oliver Montenbruck
Deposited On:16 Jan 2006
Last Modified:14 Jan 2010 20:45

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