OCO

Orbiting Carbon Observatory

Satellite

OCO

Status

Close to launch – To be utilised in the period 2008 to ~ 2010

Mission

CO2 profile.

Instrument type

3 NIR/SWIR grating spectrometer, 3 bands, 0.76 µm (O2), 1.61 and 2.06 µm (CO2) - 3000 channels total

Scanning technique

Pushbroom, cross-track swath 10 km, 160 pixels/line binned to 10 super-pixels/line. Three pointing modes: nadir, towards sun glint and towards a specific target

Coverage/cycle

Global coverage in one month for cells of 100 km side, in daylight

Resolution (s.s.p.)

1.29 km (cross-track), 2.25 km (along-track

Resources

Mass: 150 kg - Power: 165 W - Data rate: 1 Mbps

Spectral range

Number of channels

Spectral resolution

SNR at specified input radiance (NESR)

758 - 772 nm

1024

0.04 nm

…….. @ ……… mW m-2 sr-1 μm-1

1594 - 1619 nm

1024

0.08 nm

…….. @ ……… mW m-2 sr-1 μm-1

2042 - 2082 nm

1024

0.10 nm

…….. @ ……… mW m-2 sr-1 μm-1