# AlSat-1B
*missions*

## Specifications
- **country**: Algeria
- **operator**: asal
- **platform**: sstl-100
- **launch vehicle**: isro-pslv
- **actual launch**: 2016-09-26
- **current status**: extended
- **orbit type**: Sun-synchronous LEO, approximately 700 km
- **swath km**: 150
- **revisit days**: 7
- **tasking supported**: false
- **current geographic priority**: Algeria, with agriculture, environmental, and disaster-monitoring coverage
- **entity type**: mission
- **last verified date**: 2026-06-21
- **verified by**: operator
- **claim status**: agency-sourced
- **provider**: asal
- **attributes**: {"country":"Algeria","operator":"asal","platform":"sstl-100","launch_vehicle":"isro-pslv","actual_launch":"2016-09-26","current_status":"extended","orbit_type":"Sun-synchronous LEO, approximately 700 km","swath_km":150,"revisit_days":7,"tasking_supported":false,"current_geographic_priority":"Algeria, with agriculture, environmental, and disaster-monitoring coverage"}
- **relevance**: in-scope

## Editorial
AlSat-1B is a medium-resolution Algerian optical Earth-observation microsatellite and a second-generation DMC-derived imaging mission.[^sstl-alsat-1b] It launched on 2016-09-26 on ISRO PSLV-C35 and operates in a sun-synchronous low Earth orbit at about 700 km.[^isro-pslv-c35][^sstl-alsat-1b] The ALITE payload provides panchromatic imaging at 12 m and multispectral imaging at 24 m over a 150 km swath.[^sstl-alsat-1b] The mission is framed for agriculture, environmental monitoring, disaster monitoring, and cartography, with less than seven-day repeat coverage over Algeria and full Algeria coverage in 29 days.[^sstl-alsat-1b][^asal-alsat-programme]

## Compositional position
- AlSat-1B --[mission_payloads]--> alite (products)
- AlSat-1B --[related-topic]--> disaster-damage-assessment (topics)
- AlSat-1B --[related-topic]--> land-cover-change (topics)
- AlSat-1B --[related-topic]--> crop-type (topics)
- AlSat-1B --[related-topic]--> crop-stress (topics)

## Sources
- [sstl-alsat-1b] | AlSat-1B: Launched 2016, SSTL space portfolio | https://www.sstl.co.uk/space-portfolio/launched-missions/2010-2019/alsat-1b-launched-2016 | tier=operator-datasheet | accessed=2026-06-21
- [isro-pslv-c35] | PSLV-C35 / SCATSAT-1 mission launch information, ISRO | https://www.isro.gov.in/PSLVC35.html | tier=agency-doc | accessed=2026-06-21
- [asal-alsat-programme] | National Space Program (Algeria), programme summary | https://en.wikipedia.org/wiki/National_Space_Program_(Algeria) | tier=community | accessed=2026-06-21

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Source: https://eo-atlas.org/missions/alsat-1b
Maintainer: SpectraWorks B.V. (CC-BY 4.0)