NIRST

New Infra Red Scanner Technology

Satellites

SAC-D

Status

Being developed – To be utilised in the period 2010 to ~ 2015

Mission

Imagery of hot scenes.  Also sea-surface temperature

Instrument type

3-channel IR radiometer

Scanning technique

Pushbroom; swath 182 km possibile to be offset by ± 30° within a field of regard of 1000 km

Coverage/cycle

Global coverage in one week (less by exploiting strategic pointing)

Resolution (s.s.p.)

350 m IFOV

Resources

Mass: … kg - Power: … W - Data rate:  kbps

Central wavelength

Spectral interval

Radiometric accuracy (NEΔT)

3.80 µm

…. - …. µm

0.5 K @ 300 K

10.85 µm

…. - …. µm

0.5 K @ 300 K

11.85 µm

…. - …. µm

0.5 K @ 300 K