SABIA-Mar

SABIA-Mar
	SABIA-Mar 1 (left) and SABIA-Mar 2 (right)
Names	SABIA-Mar 1 (Argentina); SABIA-Mar 2 (Brazil)
Operator	CONAE / INPE
Website	CONAE-SAC-E
Mission duration	5 years (planned)
Spacecraft properties
Manufacturer	INVAP
Payload mass	680 kilograms (1,500 lb)
Dimensions	2 metres (6 ft 7 in) ⌀ × 2.2 metres (7 ft 3 in) height envelope
Start of mission
Launch date	Q4 2024 (planned)
Orbital parameters
Reference system	Geocentric orbit
Regime	Sun-synchronous orbit
Perigee altitude	645 km
Apogee altitude	645 km
Repeat interval	4 days
Transponders
Band	S-band and X-band (Downlink only)
VIS-NIR
Instruments
VIS-NIR	Optical camera from VISible to NIR with 11 bands, from 412 nm to 865 nm.
NIR-SWIR	Optical camera from NIR to SWIR with 6 bands, from 750 nm to 1600 nm.
DCS	Data Collection System
TIR	Thermal InfraRed camera in two bands, 11 and 12 microns.
MAC	Multi-Angle multispectral Camera with 5 bands, 4 multi-angle and 1 panchromatic.

The SABIA-Mar (Spanish: Satélites Argentino-Brasileño para Información Ambiental del Mar, Portuguese: Satélites Argentino-Brasileiros de Informações Ambientais do Mar), originally called SAC-E by CONAE, is a dual satellite joint Earth observation mission. The mission objective is to study the oceanic biosphere, its changes over time, and how it is affected by and reacts to human activity.^[4] It will focus on the monitoring of ocean surfaces, especially studying the ocean ecosystem, the carbon cycle, and marine habitats, as well as ocean mapping.^[5]^[6]

This collaboration between the Argentine (CONAE) and the Brazilian (AEB) space agencies was originally supposed to make two identical spacecraft with Argentina supplying the payload and Brazil the satellite bus. The satellites, SABIA-Mar A and SABIA-Mar B, were supposed to fly in 2017 and 2018, and operate until 2021.^[5]^[6]

By 2016, CONAE announced that a new agreement had been reached, where Argentina would build SABIA-Mar 1, and Brazil would build SABIA-Mar 2.^[7] The Argentine satellite, SABIA-Mar 1, is supposed to fly in 2024.^[1]

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