Sensor Summary Fact Sheet for SPOT 4 HRVIR

Collection: SPOT

Description	The SPOT (Système Pour l’Observation de la Terre or System for Earth Observation) satellites are operated by SPOT Image (created in 1982), a subsidiary of EADS Astrium and based in Toulouse, France. The program was initiated by the French space agency, CNES (Centre national d'études spatiales) in the 1970s in collaboration with the Belgium (SSTC) and Swedish (SNSB) science and space agencies.
Owner	Airbus Defence & Space

Satellite: SPOT 4

Description	SPOT 4 satellite imagery acquired by the two High Resolution Visible Infrared (HRVIR) cameras launched on 24 March 1998 by Astrium, an EADS Company.
Reference	http://www.astrium-geo.com/en/192-the-spot-satellites
Launch Date	March 24, 1998
Status	Stopped functioning July 2013
Altitude	822 km
Orbit	km
Revisit Time	26 days

Sensor: HRVIR

Description	High Resolution Visible and Infra-Red
Sensor Type	Optical
Reference System	SPOT Grid Reference System (GRS) using K and J co-ordinate pairs
Scanner Type	Push Broom Optical Scanner
Swath	60 km
Bands	5
Band Type	Multi-spectral; Panchromatic
Spectral Range	500 - 1750 nm
Spatial Resolution	10 m; 20 m
Quantization	8
Image Size	60 km x 80 km km
Keywords	SPOT 4; HRVIR; multi-spectral; monospectral; 10m; 20m; pan-sharpen

Yearly catalogue product overview for SPOT 4

1998	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013
5	14560	43021	36556	26629	39949	47918	47067	34289	25356	9447	7446	8699	5243	4842	153