GEOSAT-2 - Earth Online

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About GEOSAT-2

GEOSAT-2 (formerly known as Deimos-2) is an Earth-imaging satellite, built for GEOSAT of Spain, which launched 19 June 2014 and remains operational.

It is the second satellite of the GEOSAT Earth Observation system, following GEOSAT-1. The expected mission lifetime is at least seven years.

A high resolution satellite, it became the first European fully-private satellite capable of providing sub-metric multispectral imagery.

*GEOSAT-2 Mission Parameters*
Orbit Height	620 km
Orbit Type	Sun synchronous
Local Time at Ascending Node	10:30
Revisit Time	2 days worldwide

GEOSAT-2 Objectives

GEOSAT-2 was designed to provide a cost-effective and highly responsive service to cope with the increasing need of fast access to sub-metric imagery.

It provides near-real time image tasking, downloading, processing and delivery to the end user.

It has a collection capacity of more than 150,000 km²/day with a two day average revisit time worldwide - one day at mid-latitudes.

GEOSAT-2 Instruments

High Resolution Advanced Imaging System (HiRAIS)

HiRAIS is a 75 cm pan-sharpened multispectral optical instrument with a very-high resolution camera of five spectral channels (one panchromatic, four multispectral).

*HiRAIS Instrument Parameters*
Camera	Pushbroom type imager
Optics	- Korsch telescope of 42 cm aperture diameter (clear aperture of 40 cm diameter) - Focal length = 5.75 m - FOV = 1.2º Optical components in zerodur, fused silica; Hull: CFRP M55J/RS-3
GSD (Ground Sample Distance)	0.75 m PAN-sharpened, 4 m MS @ 590 km altitude
Spectral Bands	Pan: 560-900 nm MS1: 466-525 (blue) MS2: 532-599 (green) MS3: 640-697 (red) MS4: 770-892 (NIR)
FPA (Focal Plane Assembly)	CCD detector with TDI capability
TDI detector exposure levels of the various bands	PAN: 6, 12, 24, 48 Blue, green: 4, 8, 16 Red, NIR: 2, 4, 8
Data Quantisation	10 bit
Swath Width	12 km at nadir (24 km in wide area mode)
Data Handling	Lossless compression, real-time encryption
Downlink Data Rate	160 Mbit/s (QPSK)
HiRAIS instrument mass, power	50 kg, ~100 W

GEOSAT-2 Data

DATA COLLECTIONS

ESA is offering, for scientific research and application development, access to Full archive and New Tasking of GEOSAT-2 data upon submission and acceptance of a project proposal. These products are available as part of the GEOSAT.

ESA will support as many high-quality and innovative projects as possible within the quota limit available, therefore, for the "on demand" TPM, only a limited amount of products can be made available to each project.

Collections available:

GEOSAT-2 Full archive and tasking

ESA offers registered users access, via the Online Dissemination server, to the following data collections

GEOSAT-2 INSTRUMENTS

GEOSAT-2 DATA