# MicroCarb
*missions*

## Specifications
- **operator**: cnes
- **current status**: operational
- **actual launch**: 2025-07-26
- **platform**: myriade-microcarb-bus
- **launch vehicle**: arianespace-vega-c
- **orbit type**: Circular sun-synchronous orbit, 650 km altitude
- **revisit days**: 25
- **tasking supported**: false
- **current geographic priority**: global CO2 source and sink mapping
- **entity type**: mission
- **last verified date**: 2026-06-21
- **verified by**: agency-doc
- **claim status**: agency-sourced
- **provider**: cnes
- **attributes**: {"operator":"cnes","current_status":"operational","actual_launch":"2025-07-26","platform":"myriade-microcarb-bus","launch_vehicle":"arianespace-vega-c","orbit_type":"Circular sun-synchronous orbit, 650 km altitude","revisit_days":25,"tasking_supported":false,"current_geographic_priority":"global CO2 source and sink mapping"}
- **relevance**: in-scope

## Editorial
MicroCarb is a CNES atmospheric CO2 mapping mission for global source and sink monitoring.[^cnes-microcarb-overview] CNES operates the mission, with partners including CNRS, CEA, Meteo France, universities, the European Union / ESA, UKSA, and SCGI.[^cnes-microcarb-overview] The satellite launched by Vega C on 2025-07-26 at 02:03 UTC and operates in a circular sun-synchronous orbit at 650 km.[^cnes-microcarb-overview][^cnes-vega-c] MicroCarb is built on a CNES Myriade-derived platform with a 180 kg satellite mass and a five-year mission duration.[^cnes-microcarb-instrument] Its payload set includes a passive infrared spectrometer and a cloud-detection imager.[^cnes-microcarb-instrument] The spectrometer covers 758.3-768.8 nm, 1264-1282.2 nm, 1596.7-1618.9 nm, and 2023-2051 nm bands, with 1 ppm measurement precision and a 25-day revisit.[^cnes-microcarb-instrument][^cnes-microcarb-overview]

## Compositional position
- MicroCarb --[mission_payloads]--> microcarb-spectrometer (products)
- MicroCarb --[mission_buses]--> myriade-microcarb-bus (products)
- MicroCarb --[related-topic]--> co2 (topics)
- MicroCarb --[related-topic]--> greenhouse-gas-flux (topics)

## Sources
- [cnes-microcarb-overview] | CNES MicroCarb mission overview | https://cnes.fr/projets/microcarb | tier=agency-doc | accessed=2026-06-21
- [cnes-microcarb-instrument] | CNES MicroCarb satellite and instruments | https://cnes.fr/projets/microcarb/satellite-instruments | tier=agency-doc | accessed=2026-06-21
- [cnes-vega-c] | CNES Vega-C project page | https://cnes.fr/projets/vega-c | tier=agency-doc | accessed=2026-06-21

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