# ISISPACE Deep Space Deployer
*launcher . launch services*

ISISPACE's Deep Space Deployer is a multi-stage CubeSat deployment system with low-velocity release and umbilical support for deep-space missions.

## Specifications
- **manufacturer**: isispace
- **deployment context**: orbital
- **entity type**: launch_service
- **last verified date**: 2026-05-28
- **verified by**: operator
- **claim status**: unclaimed
- **subtype**: deployer
- **provider**: isispace
- **attributes**: {"kind":"launcher","product_status":null,"manufacturer":"isispace","description":"ISISPACE's Deep Space Deployer is a multi-stage CubeSat deployment system with low-velocity release and umbilical support for deep-space missions.","sensor":null,"bus":null,"ground_segment":null,"launcher":null,"analysis_service":null,"deployment_context":"orbital"}

## Editorial
The ISISPACE Deep Space Deployer (DSD) is a CubeSat deployer designed for deep-space mission profiles, incorporating a multi-stage separation architecture.[^isispace-dsd-product-page][^isispace-dsd-project-page] It accommodates payloads up to the 6U XL CubeSat class, with a maximum stated payload mass of 12.5 kg.[^isispace-dsd-product-page] The deployer itself masses 4.9 kg.[^isispace-dsd-product-page] Closed envelope dimensions are 272 x 156.7 x 432.4 mm; open envelope extends to 272 x 206.77 x 555.05 mm.[^isispace-dsd-product-page]

The DSD provides a CubeSat Release System for low-velocity separation and an Umbilical Disconnect System that maintains communication and power to the payload during transit.[^isispace-dsd-product-page] Release speed is 3 cm/s, configurable per mission requirements.[^isispace-dsd-product-page]

The DSD project page lists a programme initiated with ESA and OHB in 2019, with hardware delivery in 2021 and a 2024 target launch date.[^isispace-dsd-project-page] Independent agency or peer-reviewed technical sources for the public specification were not identified; the ISISPACE operator product and project pages are the primary sources as of 2026-05-28.[^isispace-dsd-product-page]

## Sources
- [isispace-dsd-product-page] | Deep Space Deployer, ISISPACE product page | https://www.isispace.nl/product/deep_space_deployer/ | tier=operator-datasheet | accessed=2026-05-28
- [isispace-dsd-project-page] | DSD project page, ISISPACE | https://www.isispace.nl/projects/dsd/ | tier=operator-marketing | accessed=2026-05-28
- [isispace-launch-equipment] | Launch Equipment and Services, ISISPACE | https://isispace.nl/launch-equipment-services/ | tier=operator-marketing | accessed=2026-05-28

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Source: https://eo-atlas.org/launch_services/isispace-deep-space-deployer
Maintainer: SpectraWorks B.V. (CC-BY 4.0)