Quick Facts
Launched: July 30, 2025
The NASA-ISRO SAR (NISAR) Mission will measure Earth’s changing ecosystems, dynamic surfaces, and ice masses providing information about biomass, natural hazards, sea level rise, and groundwater, and will support a host of other applications.
NISAR will observe Earth’s land and ice-covered surfaces globally with 12-day regularity on ascending and descending passes, sampling Earth on average every 6 days for a baseline 3-year mission.
Launch and Deploy animation of the NASA-ISRO SAR (NISAR) Spacecraft
Mission Characteristics
| Orbit Altitude | 747 km |
| Orbit Inclination | 98.4° |
| Repeat Cycle | 12 days |
| Time of Nodal Crossing | 6 AM/ 6 PM |
| Orbit Control | < 500 m |
| Pointing Control | < 273 arcsec |
| Pointing | Left (south) |
| L/S Duty Cycle | > 50%/10% |
| Baseline Mission Duration | 3 years |
| Consumables | 5 years |
| Data and Product Access | Free & open |
| Wavelength | L-band: 24 cm S-band: 10 cm |
| SAR Resolution | 3–10 m mode-dependent |
