# Longbow Satellite Platform
*bus . products*

Loft Orbital's standardised LEO satellite bus derived from the OneWeb constellation architecture, used across the YAM demonstration series and as the platform for the DESIR programme. Bus-agnostic Hub payload adapter attaches to Longbow, enabling payload-agnostic hosted-payload missions.

## Specifications
- **product status**: operational
- **manufacturer**: loft-orbital
- **bus**: {"form_factor":"medium LEO, approx 83 kg class as flown on YAM-3/5/6 per community sources"}
- **last verified date**: "2026-05-19T00:00:00.000Z"
- **verified by**: sw
- **claim status**: unclaimed
- **deployment context**: orbital

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Source: https://eo-atlas.org/products/bus/longbow-bus
Maintainer: SpectraWorks B.V. (CC-BY 4.0)