Image from TERRA
Thu, 16 Jan 2020 10:13 EST

In the northern Mexican state of Cohuilla lies the Cuatro Cienegas Basin.

Image from TERRA
Fri, 10 Jan 2020 14:16 EST

These views of Earth from 2019 were taken with a variety of different science instruments and data tools, all helping us see our planet more clearly.

Image from TERRA
Tue, 07 Jan 2020 11:11 EST

Kangaroo Island, off the coast of Australia, has not been immune to the devastating bushfires that have been affected the eastern coast of the continent.

About Terra

Approximately the size of a small school bus, the Terra satellite carries five instruments that take coincident measurements of the Earth system:

Terra is in a circular sun-synchronous polar orbit that takes it from north to south (on the daylight side of the Earth) every 99 minutes.

Spacecraft Quick Facts:
  • Launch Date: December 18,1999
  • Size: the spacecraft bus is 6.8 m long and 3.5 m across.
  • Weight: 5,190 kg (11,442 lbs.) at launch.

KSC-99PP-1412_web
Orbit Quick Facts: 
  • Altitude: 705 kilometers (438 miles) above Earth’s surface
  • Inclination: 98.5 degrees
  • Period: 99 minutes (16 orbits per day)
  • Equatorial crossing: 10:30 a.m., descending mode

Terra Status:

  • Operating instruments: ASTER, CERES, MODIS, MISR, and MOPITT are operating well.  ASTER Short Wave Infrared (SWIR) data is unavailable.
  • Current life expectancy: Terra  has far exceeded its design life and has a strong chance of operating successfully into the early 2020s.
  • Current systems issues: None.
  • Processed Terra data are available through several NASA data centers.