SAR Satellites

Added QPS-SAR-8 AMATERU-IV after its recent launch 2024-149

ALOS-4 orbit has been set to SSO with 14 day repeat cycle

Removed satellites ICEYE X12, X15 and X18.

Added satellites ICEYE X31 and X35

Added ICEYE-X18 and ICEYE-X19

Small changes in ICEYE TopSAR instrument geometry

Added 3D-Model of QPS1 and QPS3

Sentinel-1B has been removed because not any more operational

Further correction to ICEYE naming conventions, sensor geometries and constrain settings, following input from ICEYE.

Removal of ICEYE-X4, 5, 9, 14, 15, 16, 17, 18, 19, 20, 21, 24 and 27 as requested by ICEYE

Removed HJ-1C because decayed

Updated TanDEM-X as disengaged, following its return to nominal position in tandem with TerraSAR-X

Fixed ICEYE Spotlight modes and TopSAR modes, which produced same geometry for Left and Right looks

Removed CAPELLA 2, 3 and 5 because decayed

Added ICEYE-X21 and ICEYE-X27 after their recent launch 2023-001

Removed CAPELLA-1 because decayed

Added Sliding Spotlight modes to HiSea-1 and Chaohu-1

Modified HiSea-1 incidence angle range from 20-35 to 18-31 degrees.

Added 3D-Model of ROSE-L

Added 3D model of Ludi Tance

COSMO Skymed-3, ASNARO-2 and SMAP orbits have been modified to account for its departure of the nominal SSO.

Updated ICEYE TopSAR mode fixing the GSD to 15 meters

Added Chaohu-1 from Spacety's TY-SAR C-SAR constellation, following recent launch 2022-19

Updated NOVASAR-1 orbit, removing the SSO orbit modifier

Added 3D models for HISEA1 and UMBRA

Modified CAPELLA sensor definitions according to product specification

RADARSAT-2 spotlight mode resolution changed to 3m

TerraSAR-X, TanDEM-X and PAZ sensor definitions have been updated to implement the following frame sizes SC= 22 sec, WS= 29 sec, SM= 8 sec

TanDEM-X has been set to disengaged, because flying in formation at a close distance from TerraSAR-X it would produce practically the same swaths and footprints, cluttering the views.

Added new SMAP 3D model

COSMO-Skymed-SG configuration has been updated to remove the Eclipse constraint on its sensors

StriX-α orbit has been updated after its launch

New 3D Model for Capella-2

Added StriX-α satellite

Added RISAT 2BR2 after its recent launch

Updated COSMO-Skymed-SG-1 to Sun Synchronous

COSMO-Skymed-SG sensor beam geometries have been updated following input from ASI

Changed satellites names to COSMO-Skymed-1,2,3 and 4

Changed CSG1 and 2 names to COSMO-Skymed-SG-1 and 2

Corrected KOMPSAT-6 orbit.

New 3D model for CSG

ICEYE X2, X4 and X5 configurations have been updated following input from the Iceye Ltd.

Added KOMPSAT-6 3D model

Added 3D model ICEYE-X2

Updated RCM constellation orbits to account for Sun Synchronous orbit with Repeat Cycle = 12 days, Cycle Length = 179 orbits.

PAZ satellite absolute orbit numbers aligned with operational set-up

New 3D models ASNARO-2 and CAPELLA-1

Added ICEYE X4 and ICEYE X5 after their recent launch

Removed NOVASAR-2 because unlikely to be launched

New 3D model of GAOFEN-3

SAOCOM-1A orbit has been updated with nominal SSO parameters

SAOCOM-1B orbit has been adjusted to be 180 degree in phase with SAOCOM 1A

Added ICEYE X2 after its recent launch

Removed ICEYE X1 because not in service any more

Added ICEYE X1 after its recent launch

TerraSAR-X, TanDEM-X and PAZ sensor configurations have been aligned to the official AIRBUS commercial modes and beams.

Updated RISAT-2 orbit to remove sun synchronicity.

Changed Sentinel-1B orbit numbers to account for correct cycle numbering

TerraSAR-X, TanDEM-X and PAZ framing definitions have been updated:

- Keep Boundaries = true

- Floating frame align = ALIGN AT CENTER

- Frame size Wide scanar = 29 sec

- Frame size Scansar = 22 sec

- Frames size Stripmap = 8 sec

ALOS-2 sensor geometries and beam definitions have been updated, in line with [1]

KOMPSAT-5 sensor geometries and beam definitions have been updated, in line with [2]

RISAT-1 sensor geometries and beam definitions have been updated in line with [3]

Sentinel-1 sensor geometries have been tuned to be aligned with footprints ESA Sentinel-1 plan files

Polarization parameters have been added to several SAR sensors.

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[1] "ALOS-2/PALSAR-2 Level 1.1/1.5/2.1/3.1 CEOS SAR Product Format Description, May 23 2014, Japan Aerospace Exploration Agency"

[2] "Introduction of KOMPSAT-5"

[3] "RISAT-1 Data Products Formats, August 2015, version 1.3 "

Updated Sentinel-1 sensors including:

- addition of RFC mode

- setting Exclusive Group rules among different modes

- maximum Transition Time of 4 seconds between mode instruments

- Wave mode is set to apply only over ocean.

Cosmo Skymed, TerraSAR-X, TanDEM-X and Sentinel-1A, and other SAR satellites have been reconfigured with Total Zero Doppler steering via pitch steering.

Sentinel-1A has been configured with PERPENDICULAR Z-Pointing

Updated RADARSAT-2 aligning to latest APT baseline in BeamDefinitions.cfg

• Updated SQ2 in Standard Quad Polarization SQ
• Updated FQ1 e FQ2 in Fine Quad Polarization FQ

RCM sensors have been updated with enumerative beams, and sensor geometry has been updated. RCM Spotlight mode has been added.

RISAT-1, HJ-1C, NOVASAR-S and ALOS-2 modes and beam geometries have been updated.

TerraSAR-X and TanDEM-X Wide ScanSar modes have been renamed with WS instead of WC.

Added SPAISE2 instrument to ALOS-2 (AIS instrument)

Sentinel-1A orbit has been reconfigured with the sun-synchronous nominal 12 day repeat cycle.

ALOS-2 orbit has been reconfigured with the sun-synchronous nominal 14 day repeat cycle

Modified TLE source addresses

Update of TLEs

Added Sentinel-1A after its recent launch

Corrected TerraSAR-X and TanDEM-X Spotlight mode (SL) scene dimensions to fixed 10 x 10 km

Update for change in sensor format.

Added new satellites: NOVASAR-S 1 & 2

SAOCOM orbit and sensor have been reconfigured

Upgraded TerraSAR-X and TanDEM-X with new instrument modes, Wide ScanSAR(6-beam ScanSAR) and Staring Spotlight mode, according to new release of document TerraSAR-X Basic Product Specification Document, version 1.9 of 09-Oct-2013.

PAZ satellite has been also aligned to the same baseline of TerraSAR-X, assuming it will have the same instrument configuration.

Update to fix Radarsat-2 sensor geometries, aligning to latest APT baseline (v2.175 of August 2012). It fixes Spotlight mode Az x Rng flip problem.

Removed Radarsat-1 due to end of life.

Fixed Radarsat-2 duration constraints for all beams to handle Minimum Durations instead of Threshold Durations. The Threshold Durations caused small swaths to disappear. Now they will be extended to cope with the minimum duration constraint.

Updated orbit data and geometry xml format

Fixed Cosmo-Skymed Spotlight mode configuration to ensure that the Duration constraint is disabled.

Added HJ-1C after its recent launch

Modified Spotlight sensors configuration on Cosmo, Paz, Tandem-X and TerraSAR-X. We have disabled the Duration constraint which was redundant with the Spotlight and created a problem with TrimSide settings.

Added SeoSAR/PAZ satellite

Cosmo Skymed Sensor Modes under ScanSAR (HugeRegion) are renamed from HG-xx to HR-xx

Removed Envisat due to end of mission in April 2012

Added ALOS-2

Added KOMPSAT-5

Added Mean Local Solar Time drift parameters to Cosmo-Skymed satellites to stabilize the Sun Synchronous Orbit predictions over long term.

Cosmo-Skymed 1..4 Beams HG-00 and WR-00 are now back to operational (engaged for planning)

Cosmo-Skymed 1..4 ScanSAR (HugeRegion) - Left HG-00 is now disengaged.

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Instrument bit rates have been configured on all sensors

Added Risat 1

Envisat orbit has been updated with a new Orbit Event File covering until September 2102

Cosmo Skymed: Spotlight mode integration time has been modified from 3.3 seconds to 7.3 seconds to account for actual duration of the spotlight acquisition.

Fixed Radarsat Constellation Mission (RCM) Medium Resolution Maritime sensor swath width to 350 km width.

Added S-AIS sensor to each the RCM satellite.

Radarsat-2 Wide Ultrafine beams have been updated in accordance with RADARSAT-2 Mode/Beam Descriptions v2.156 (BeamDefinitions.cfg file in Radarsat-2 APT)

TerraSAR-X and TanDEM-X are now configured with framing (scene) definitions for ScanSAR (100 x 150 km) and StripMap (30 x 50 km)

Cosmo-Skymed satellites have now prioritized sensor definitions such that Right looking acquisitions will be preferred over Left looking, reflecting the current CS operational policy.

Radarsat-2 is now configured with Slew Plan and Outages definition using the same files of the Radarsat-2 APT.

Cosmo-Skymed satellites SpotLight modes have been configured with the SpotLight constraint configured, activating the new SpotLight handling function (as of SaVoir 4.4.7)

TerraSAR-X and TanDEM-X sensor definitions have been upgraded to accommodate SpotLight (10x10km) and High Resolution SpotLight (5x10 km) modes

Radarsat-2 Wide beams have now a Spatial Resolution parameter, which was missing in previous versions

TerraSAR-X and TANDEM-X: Spot Light modes have been modified so that the swath width is exactly 10 km (it was 17 km before, according to the theoretical beam width)

ERS-2 has been removed due to satellite end of life.

Envisat beams have been modified according to the latest Envisat 2010 configuration with particular attention to ASAR / AP beam footprints which are slightly different than ASAR / IM, and to nominal frame settings for ASAR/GM which was not configured with framing before.

Fixed error in the definition of Envisat ROEF file name, which missed the final extension N1

Radarsat-2 configuration updated as per last Radarsat-2 APT configuration update: "Added F0W3 to complement and extend the incidence angle range of the existing F0W1 and F0W2 Fine Wide beam mode"

Cosmo-Skymed configuration has been slightly modified to set framing handling with KeepFrameBoundaries = true, Floating Frame = ALIGN AT CENTER. Instrument Beams have been updated so that their names have the same number letters (e.g. H4-01 instead of H4-1).

Cosmo-Skymed configuration has been updated, aligning it to the official Cosmo-Skymed sensor configuration published by ASI.

Removed ALOS after end of mission.

Radarsat-2 configuration has changed to add new operational beam modes: Wide Ultra Fine, Wide Multi-Look Fine, Wide Fine, Wide Ultra-Fine, Wide Fine Quad, Wide Standard Quad.

Added Radarsat Constellation Mission (RCM-1, RCM-2, RCM-3)

ALOS satellite has been configured without Sun Synchronous modifier to cope with the satellite anomaly of 22 April 2011.

All satellites with Sun Synchronous orbits have been modified to host also a pure Two Line Element orbit to allow comparing predictions.

TLE source has been modified for all satellites to be fed from Taitus web site which provides updates every 6 hours directly fed from Space Track

Envisat orbit modified to host new ROEF (v18).

ERS nominal orbit is now the 3/43 Ice Phase orbit (3 day cycle, 43 orbits per cycle).

Radarsat-1 sensor modes and orbit have been completely updated to make them compatible with the Radarsat-1 official Swath Planner application.

Radarsat-2 sensor modes and orbit have been completely updated to make them compatible with the Radarsat-2 official Acquisition Planning Tool application.

Updated TLE orbit parameters with latest predictions.

Correction in the orbit numbering of Radarsat-1.

Updated TLE orbit parameters with latest predictions.

New orbit configuration for Radarsat-1, compatible with the Radarsat-1 Swath Planner tool

New orbit configuration for Radarsat-2, compatible with the Radarsat-2 Acquisition planning Tool.

Fix in the TerraSAR-X and TANDEM-X sensor configuration, correcting and sign error in the SM SP Full Performance Left Field of Regard.

Format modification with new Attitude section under each satellite, declaring the Yaw Steering state.

Updated TLE orbit parameters with latest predictions.

ERS-2: the upcoming Ice Phase orbit (starting Feb 2011) with RC/CL = 3 / 43 has been added to the ERS-2 orbits collection

Updated TLE orbit parameters with latest predictions.

New Satellite Cosmo-Skymed 4 has been added.

Updated TLE orbit parameters with latest predictions.

Envisat Orbit default has been set to "2010 Reference Orbit Event File".

Envisat Orbit default has been set to "2010 Orbit Scenario File". Old "Sunsynchronous nominal orbit" has been removed.

Updated TLE orbit parameters with latest predictions.

Envisat 2010+ orbit files are updated with latest ones provided by ESA. This includes MPL_ORB_SCVRGT20101012_091618_00000000_00000003_20020301_025355_20781231_235959.N1 and MPL_ORB_EVVRGT20101012_093254_00000000_00000016_20101024_070525_20110125_215953.N1

Envisat 2010+ orbit file is now correctly configured in the Envisat orbit section. Select orbit "2010 Orbit Scenario File". Orbit predictions are valid from 26th October 2010 onwards.

Updated TLE orbit parameters with latest predictions.

Envisat satellite incorporates now the ASAR WV mode as a Leap Frog footprint, defined as small imagettes of 10x10km separated by 100km in alternative incident angles (e.g. first IS2 then IS4 then IS2,...).

Updated TLE orbit parameters with latest predictions.

New Envisat ROEF, to comply with Envisat 2010+ scenario following the maneuver that will take place on end October 2010.

Updated TLE orbit parameters with latest predictions.