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ERS-1/2 Preliminary Orbit Product
Entry ID: ERS.ORB.PRL


Summary
Abstract: Preliminary orbit products (PRL) are based on fast
delivery tracking data: SLR, radar altimeter height, ERS-2
PRARE range and doppler data. These products are an
improvement of the initial knowledge of the orbit but do
not provide the optimal fit to the real S/C motion. This
information is used for the space location of the on board
sensors.




The preliminary orbit consists of the satellite
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Geographic Coverage
Spatial coordinates   
  N: 82.0   S: -82.0   E: 180.0   W: -180.0

Temporal Coverage
Start Date: 1991-07-30
ISO Topic Category
Quality The quality of the generated orbits is controlled
formally and
internally. The formal quality control includes
procedures to check
the correct format and to flag periods where the
orbits is degraded by
manoeuvres or platforms anomalies.


Internal quality checks are performed by
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Ancillary Keywords
Data Set Progress
IN WORK
Originating Center
Data Center
Earthnet Online, European Space Agency Supplemental Info
Data Center URL: http://earth.esa.int
Dataset ID: ORB.PRL

Data Center Personnel
Name: EARTH OBSERVATION HELP DESK
Phone: +39 06 94180777
Fax: +39 06 94180292
Email: eohelp at esa.int
Contact Address:
ESA/ESRIN
Via G. Galilei
City: Frascati
Postal Code: 00044
Country: Italy
Distribution
Distribution Media: CD-ROM, File
server
Personnel
Role: DIF AUTHOR
Phone: +39 06 94180777
Fax: +39 06 94180292
Email: eohelp at esa.int
Contact Address:
ESA/ESRIN
Via G. Galilei
City: Frascati
Postal Code: 00044
Country: Italy
Extended Metadata Properties
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Creation and Review Dates
Last DIF Revision Date: 2016-01-27


Link to Web Site