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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.
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NISAR released its first images late last month.

GeneralValue 2.0Oct 16, 2025RT by @GewoonLukas_: Full bloom on the most powerful radar satellite ever built—seen here with centimeter-level clarity. Vantor collected this image of the NISAR synthetic aperture radar (SAR) satellite after it deployed its giant circular radar antenna reflector in August. Developed jointly by @NASA and @isro, this reflector measures 12 meters in diameter and is the largest of its kind ever deployed in space. NISAR released first images late last month. For high-value assets in space, decision makers don't have days to wait for answers to critical questions. They need fast answers. Our WorldView Space non-Earth imaging capability is built for exactly this kind of mission. Here you can see the actual structural state—whether the mesh is properly tensioned, if the deployment geometry matches specifications, and how the spacecraft is oriented relative to its imaging targets. With this image, we also collected spacecraft orientation, velocity data, and deployment confirmation that telemetry alone can't verify. This is the kind of trusted intelligence that delivers total clarity to help you understand what's happening in Earth's orbit.
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The circular radar antenna reflector of NISAR measures 12 meters in diameter and is the largest of its kind ever deployed in space.

CapabilityGeneralValue 4.5Oct 16, 2025RT by @GewoonLukas_: Full bloom on the most powerful radar satellite ever built—seen here with centimeter-level clarity. Vantor collected this image of the NISAR synthetic aperture radar (SAR) satellite after it deployed its giant circular radar antenna reflector in August. Developed jointly by @NASA and @isro, this reflector measures 12 meters in diameter and is the largest of its kind ever deployed in space. NISAR released first images late last month. For high-value assets in space, decision makers don't have days to wait for answers to critical questions. They need fast answers. Our WorldView Space non-Earth imaging capability is built for exactly this kind of mission. Here you can see the actual structural state—whether the mesh is properly tensioned, if the deployment geometry matches specifications, and how the spacecraft is oriented relative to its imaging targets. With this image, we also collected spacecraft orientation, velocity data, and deployment confirmation that telemetry alone can't verify. This is the kind of trusted intelligence that delivers total clarity to help you understand what's happening in Earth's orbit.

NISAR is a synthetic aperture radar satellite developed jointly by NASA and ISRO.

RelationshipsGeneralValue 4.0Oct 16, 2025RT by @GewoonLukas_: Full bloom on the most powerful radar satellite ever built—seen here with centimeter-level clarity. Vantor collected this image of the NISAR synthetic aperture radar (SAR) satellite after it deployed its giant circular radar antenna reflector in August. Developed jointly by @NASA and @isro, this reflector measures 12 meters in diameter and is the largest of its kind ever deployed in space. NISAR released first images late last month. For high-value assets in space, decision makers don't have days to wait for answers to critical questions. They need fast answers. Our WorldView Space non-Earth imaging capability is built for exactly this kind of mission. Here you can see the actual structural state—whether the mesh is properly tensioned, if the deployment geometry matches specifications, and how the spacecraft is oriented relative to its imaging targets. With this image, we also collected spacecraft orientation, velocity data, and deployment confirmation that telemetry alone can't verify. This is the kind of trusted intelligence that delivers total clarity to help you understand what's happening in Earth's orbit.

NISAR deployed its giant circular radar antenna reflector in August.

PlanValue 3.0Oct 16, 2025RT by @GewoonLukas_: Full bloom on the most powerful radar satellite ever built—seen here with centimeter-level clarity. Vantor collected this image of the NISAR synthetic aperture radar (SAR) satellite after it deployed its giant circular radar antenna reflector in August. Developed jointly by @NASA and @isro, this reflector measures 12 meters in diameter and is the largest of its kind ever deployed in space. NISAR released first images late last month. For high-value assets in space, decision makers don't have days to wait for answers to critical questions. They need fast answers. Our WorldView Space non-Earth imaging capability is built for exactly this kind of mission. Here you can see the actual structural state—whether the mesh is properly tensioned, if the deployment geometry matches specifications, and how the spacecraft is oriented relative to its imaging targets. With this image, we also collected spacecraft orientation, velocity data, and deployment confirmation that telemetry alone can't verify. This is the kind of trusted intelligence that delivers total clarity to help you understand what's happening in Earth's orbit.

NISAR will collect data on land and ice surfaces every 12 days.

CapabilityValue 4.0Oct 12, 2025NISAR: prime immagini della Terra dalla missione NASA-ISRO

NISAR's L-band radar is capable of measuring soil moisture and surface movement within fractions of an inch.

CapabilityGeneralValue 4.0Oct 12, 2025NISAR: prime immagini della Terra dalla missione NASA-ISRO

NISAR is expected to enter full scientific operations by the end of the year.

PlanValue 3.0Oct 12, 2025NISAR: prime immagini della Terra dalla missione NASA-ISRO

The JPL of NASA is managing the U.S. component of the NISAR project.

RelationshipsGeneralValue 3.5Oct 12, 2025NISAR: prime immagini della Terra dalla missione NASA-ISRO

NISAR is a satellite for Earth observation developed by NASA and ISRO.

GeneralCapabilityValue 3.0Oct 12, 2025NISAR: prime immagini della Terra dalla missione NASA-ISRO

NISAR's mission is a collaboration between NASA and ISRO, leveraging years of technical partnership.

RelationshipsGeneralValue 3.0Oct 12, 2025NISAR: prime immagini della Terra dalla missione NASA-ISRO

NISAR's radar system operates in L-band and can resolve objects up to 5 meters in size.

CapabilityValue 4.2Oct 12, 2025NISAR: prime immagini della Terra dalla missione NASA-ISRO

NISAR's first images provide detailed scanning of Earth's surface.

CapabilityGeneralValue 3.0Oct 12, 2025NISAR: prime immagini della Terra dalla missione NASA-ISRO

NISAR distinguishes different land cover types, including low vegetation, trees, and man-made structures.

CapabilityGeneralValue 3.0Oct 12, 2025NISAR: prime immagini della Terra dalla missione NASA-ISRO

The images captured by NISAR show the island of Mount Desert off the coast of Maine.

CapabilityGeneralValue 3.2Oct 12, 2025NISAR: prime immagini della Terra dalla missione NASA-ISRO

NISAR tracks changes in land and ice surfaces on Earth.

CapabilityGeneralValue 3.0Sep 29, 2025RT by @Cosmic_Penguin: A nice(ar) view of Earth 😎 NISAR has released preliminary radar images that showcase its ability to distinguish between different land cover. Launched in July, this satellite tracks changes in land and ice surfaces on Earth. http://go.nasa.gov/42HjY8Q

NISAR was launched by ISRO on July 30.

PlanValue 3.0Sep 29, 2025NASA ISRO radar satellite beams first Earth images from space

India contributed the spacecraft bus, launch vehicle, and mission operations support for NISAR through the U R Rao Satellite Centre, Vikram Sarabhai Space Centre, and Satish Dhawan Space Centre.

RelationshipsCapabilityValue 4.0Sep 29, 2025NASA ISRO radar satellite beams first Earth images from space

NISAR has released preliminary radar images that demonstrate its ability to distinguish between different land cover.

CapabilityValue 3.5Sep 29, 2025RT by @Cosmic_Penguin: A nice(ar) view of Earth 😎 NISAR has released preliminary radar images that showcase its ability to distinguish between different land cover. Launched in July, this satellite tracks changes in land and ice surfaces on Earth. http://go.nasa.gov/42HjY8Q

NISAR is the first satellite to carry both L-band and S-band radar systems simultaneously.

CapabilityValue 4.0Sep 29, 2025NASA ISRO radar satellite beams first Earth images from space

NISAR's images distinctly show waterways, forests, farmland, and human structures, demonstrating its ability to differentiate between land cover types.

CapabilityValue 3.6Sep 29, 2025NASA ISRO radar satellite beams first Earth images from space