How much did NASA-ISRO Synthetic Aperture Radar cost to build?
NISAR (NASA-ISRO Synthetic Aperture Radar) is the joint Earth-observation satellite with the first dual-frequency radar, NASA's L-band and ISRO's S-band, launched on 30 July 2025 at 17:40 IST aboard an ISRO GSLV F16 from the Satish Dhawan Space Centre with a launch mass of 2,393 kg. The Government Accountability Office's July 2025 assessment of NASA major projects (GAO-25-107591) is the source of the USD 1,158.9 million life-cycle cost estimate carried from the audit packet, while Wikipedia says the mission's total cost is estimated at USD 1.5 billion, with NASA's share about USD 1,118 million and ISRO's about INR 788 crore.
Published project estimate
$1.1589 billion
Cost basis: 2025
Cost record
How the cost changed
Budgets, contracts and final costs may cover different stages. Each figure keeps its own year and source.
Published project estimate
2025$1.1589 billion
en.wikipedia.orgOriginal budget
$866.9 million
U.S. Government Accountability OfficeProject metrics
Key dimensions
- Massgao.gov
- 2,393 kg
Project record