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NISAR

active
Earth ObservationLEOCOSPAR 2025-163ALaunched 7/30/2025
Admin Edit
Mission & Launch
Launch Mission
NISAR Mission
Launch Vehicle
GSLV Mk II c
Launch Date
7/30/2025
Orbit & Mass
Orbit Class
LEO
Altitude
741.5 km
Inclination
98.43 deg
Dry Mass
2,300 kg
Total Mass
2,393 kg
Payload Classification
Mission Type
Earth Observation
Payload Category
IMG-R
Payload Class
C
Organizations
Operator
Indian Space Research Organization (ISRO)
Manufacturer
Indian Space Research Organization (ISRO)
Registry
COSPAR ID
2025-163A
Track
Mentions
170
All verified mentions of this spacecraft in source documents.
0.0-5.0
Actions

NISAR is set to be launched in 2024 by ISRO from southern India.

PlanValue 4.0Jan 16, 2024NASA and ISRO's Radar Satellite to Monitor Earth’s Changing Frozen Regions

U R Rao Satellite Centre (URSC) in Bengaluru leads ISRO’s component of NISAR and is providing the spacecraft bus, the launch vehicle, associated launch services, and satellite mission operations.

Capability
Page8of9
Relationships
Value 4.2
Jan 16, 2024
NASA and ISRO's Radar Satellite to Monitor Earth’s Changing Frozen Regions

ISRO’s Space Applications Centre in Ahmedabad is providing the S-band SAR electronics for NISAR.

RelationshipsCapabilityValue 4.5Jan 16, 2024NASA and ISRO's Radar Satellite to Monitor Earth’s Changing Frozen Regions

JPL is providing NISAR’s radar reflector antenna, deployable boom, high-rate communication subsystem for science data, GPS receivers, a solid-state recorder, and the payload data subsystem.

CapabilityGeneralValue 4.5Jan 16, 2024NASA and ISRO's Radar Satellite to Monitor Earth’s Changing Frozen Regions

NASA’s Jet Propulsion Laboratory, managed by Caltech in Pasadena, leads the U.S. component of the NISAR project and is providing the mission’s L-band SAR.

GeneralRelationshipsCapabilityValue 4.3Jan 16, 2024NASA and ISRO's Radar Satellite to Monitor Earth’s Changing Frozen Regions

NISAR uses a combined L-band radar with a 25-centimeter wavelength and an S-band radar with a 10-centimeter wavelength.

CapabilityValue 4.5Jan 16, 2024NASA and ISRO's Radar Satellite to Monitor Earth’s Changing Frozen Regions

Several missions led by JPL, including Psyche, NISAR, and Europa Clipper, have either launched or are nearing completion, reducing near-term growth needs at the laboratory.

PlanGrowthValue 3.4Jan 8, 2024JPL lays off 100 contractors, citing budget uncertainty

NISAR, a synthetic aperture radar Earth science mission jointly developed by NASA and ISRO, is going through final tests ahead of a launch in spring 2024.

PlanGeneralValue 4.0Jan 8, 2024JPL lays off 100 contractors, citing budget uncertainty

ISRO will launch the NASA-ISRO Synthetic Aperture Radar (NISAR) Earth science mission on a GSLV, with that mission slated for launch on 2024-03-30.

PlanCapabilityValue 4.6Jan 1, 2024India launches X-ray astronomy satellite

India and the United States will launch the NASA-ISRO Synthetic Aperture Radar (NISAR) microwave remote sensing satellite for Earth observation in the first quarter of next year.

PlanCapabilityGeneralValue 4.0Nov 29, 2023India and US to Launch Joint Satellite for Earth Observation

Bill Nelson will visit Bengaluru-based facilities where the NISAR spacecraft is undergoing testing and integration for launch in 2024.

PlanCapabilityGrowthValue 3.5Nov 27, 2023NASA Administrator Bill Nelson to Visit India and UAE to Discuss Space Cooperation

The NASA-ISRO Synthetic Aperture Radar (NISAR) Earth science mission will use a radar provided by NASA on a spacecraft built by ISRO and is scheduled to launch early next year on an Indian rocket.

PlanCapabilityRelationshipsValue 4.5Jun 23, 2023U.S. and India to expand spaceflight cooperation

NISAR is a Low Earth Orbit observatory jointly developed by NASA and the Indian Space Research Organisation.

CapabilityRelationshipsValue 4.0Mar 10, 2023ISRO receives Indo-US jointly developed NISAR satellite

NISAR features a 12-meter-long, drum-shaped, wire-mesh reflector radar antenna that extends from a 30-foot boom.

CapabilityGeneralValue 4.0Mar 10, 2023ISRO receives Indo-US jointly developed NISAR satellite

A U.S. Air Force C-17 cargo plane carried the NISAR payload to Bengaluru.

GeneralCapabilityValue 4.0Mar 10, 2023ISRO receives Indo-US jointly developed NISAR satellite

The NASA-ISRO Synthetic Aperture Radar (NISAR) Earth science mission features a jointly developed SAR payload that will be integrated onto an Indian-built satellite and launched by India in 2024.

PlanCapabilityValue 4.2Feb 4, 2023United States and India expand civil space cooperation

ISRO Chairman S. Somanath and other Indian officials visited the Jet Propulsion Laboratory to see the NISAR payload, which is scheduled to be shipped to India in February.

PlanCapabilityGrowthValue 4.1Feb 4, 2023United States and India expand civil space cooperation

NISAR is the NASA-Indian Space Research Organization Synthetic-Aperture Radar satellite scheduled to launch in 2023.

PlanCapabilityGeneralValue 4.0Nov 19, 2021NASA considers innovative business model for $500 million Earth Science campaign

One planned future GSLV 2021-03-02 launch was intended to carry NISAR, a synthetic aperture radar Earth science mission jointly developed by NASA and ISRO.

PlanGeneralValue 4.2Aug 11, 2021Indian GSLV launch fails

Before the 2021-08-11 failure, NISAR was scheduled to launch in early 2023.

PlanValue 3.0Aug 11, 2021Indian GSLV launch fails