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Radarsat

retired
Earth ObservationLEOCOSPAR 1995-059ALaunched 11/4/1995
Admin Edit
Mission & Launch
Launch Mission
Radarsat Mission
Launch Vehicle
Delta 7920-10
Launch Date
11/4/1995
Last Contact
3/29/2013
Orbit & Mass
Orbit Class
LEO
Altitude
790.5 km
Inclination
98.58 deg
Dry Mass
2,750 kg
Total Mass
2,750 kg
Payload Classification
Mission Type
Earth Observation
Payload Category
IMG-R
Payload Class
C
Organizations
Operator
Canadian Space Agency (CSA)
Manufacturer
Spar Aerospace Space Systems
Constellation
Name
RADARSAT
Active Satellites
4
Registry
COSPAR ID
1995-059A
UN Registration
ST/SG/SER.E/309
Track
Mentions
150
All verified mentions of this spacecraft in source documents.
0.0-5.0
Actions

The new MDA Space satellite will integrate with the RADARSAT Constellation Mission.

RelationshipsGeneralValue 3.8Jul 13, 2026In Defence of Canada Briefing (Issue 17)

MDA Space’s Earth observation data pipeline includes sensors in low-Earth orbit such as RADARSAT-2 and the upcoming CHORUS constellation.

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CapabilityPlanValue 4.0Jul 9, 2026MDA Space strengthens Earth observation data pipeline with majority stake in Collecte Localisation Satellites

The RADARSAT replenishment satellite will integrate with the existing RADARSAT Constellation Mission to prevent a critical data gap.

PlanCapabilityValue 3.8Jun 29, 2026In Defence of Canada Briefing (Issue 16)

MDA Space’s RADARSAT replenishment satellite will be based on MDA’s CHORUS bus and assembled in Montreal.

CapabilityGeneralValue 4.2Jun 29, 2026In Defence of Canada Briefing (Issue 16)

The RADARSAT+ program is also intended to preserve Canada’s national Earth observation capabilities for security, civil protection, and environmental monitoring.

CapabilityGeneralValue 2.8Jun 25, 2026Il Canada affida a MDA Space il satellite SAR per la continuità della RADARSAT Constellation Mission

The new MDA Space satellite will integrate with the RADARSAT Constellation Mission in low-Earth orbit to provide continuous Earth observation data.

CapabilityGeneralValue 4.0Jun 25, 2026MDA Space moves to build phase with $688M RADARSAT replenishment satellite contract award

The Canadian government is funding parallel concept studies for a complete fourth-generation RADARSAT architecture.

FinancialPlanValue 3.7Jun 25, 2026MDA Space moves to build phase with $688M RADARSAT replenishment satellite contract award

The Canadian Space Agency awarded MDA Space a contract to build a new SAR satellite for the RADARSAT Constellation Mission.

RelationshipsCapabilityPlanValue 4.6Jun 25, 2026Il Canada affida a MDA Space il satellite SAR per la continuità della RADARSAT Constellation Mission

The original RADARSAT Constellation Mission deployed three satellites in 2019 to replace the RADARSAT-2 system.

PlanValue 4.0Jun 25, 2026MDA Space moves to build phase with $688M RADARSAT replenishment satellite contract award

The Canadian federal government introduced the $1.012-billion RADARSAT+ portfolio in 2023 to maintain sovereign space-based capabilities.

FinancialGeneralCapabilityValue 4.0Jun 25, 2026MDA Space moves to build phase with $688M RADARSAT replenishment satellite contract award

The RADARSAT+ program is intended to ensure continuity of the RADARSAT Constellation Mission, which entered service in 2019.

PlanValue 3.5Jun 25, 2026Il Canada affida a MDA Space il satellite SAR per la continuità della RADARSAT Constellation Mission

The $688-million award is the largest single component of the $1.012-billion RADARSAT+ portfolio introduced by the Canadian federal government in 2023.

FinancialPlanGeneralValue 4.2Jun 25, 2026MDA Space moves to build phase with $688M RADARSAT replenishment satellite contract award

The RADARSAT+ investment will keep the ground infrastructure used for receiving, processing, and distributing radar data operational.

CapabilityValue 3.0Jun 25, 2026Il Canada affida a MDA Space il satellite SAR per la continuità della RADARSAT Constellation Mission

The RADARSAT+ program was announced by the Government of Canada in October 2023 with a total investment of 1.012 billion dollars.

PlanFinancialValue 4.3Jun 25, 2026Il Canada affida a MDA Space il satellite SAR per la continuità della RADARSAT Constellation Mission

The new RADARSAT Constellation Mission satellite will operate with the satellites already in service.

CapabilityPlanValue 2.5Jun 25, 2026Il Canada affida a MDA Space il satellite SAR per la continuità della RADARSAT Constellation Mission

The Canadian Space Agency awarded $2.4 million across Calian, Kepler Communications, and MDA Space to design the ground segment for the RADARSAT+ Earth observation fleet.

RelationshipsFinancialCapabilityPlanValue 4.8Jun 15, 2026In Defence of Canada Briefing (Issue 14)

Each of the three RADARSAT+ ground-segment contractors can receive up to $804,000.

FinancialGeneralValue 3.0Jun 15, 2026In Defence of Canada Briefing (Issue 14)

CHORUS builds on MDA Space's heritage with the Canadian RADARSAT program.

GeneralValue 2.0May 6, 2026MDA Space reports 41 commitments for CHORUS ahead of launch

Canada relies heavily on space-based assets such as the RADARSAT Constellation Mission to monitor vast northern territories.

GeneralValue 2.0Apr 24, 2026DND issues $6.75M IDEaS challenge for multi-modal AI to fuse space and terrestrial data

The Canadian Space Agency is designing the next-generation RADARSAT+ system.

PlanCapabilityValue 3.0Mar 18, 2026Canadian Space Agency terminates Lunar Rover Mission in 2026-27 Plan