SROC

Platform: 12U CubeSat with 6-DOF cold-gas propulsion.

Payloads: Navigation cameras (VIS, IR), Lidar, docking mechanism.

Programme: General Support Technology Programme (GSTP).

Consortia: Tyvak International (IT), Politecnico di Torino (IT), University of Padova (IT), Stellar Project (IT).

The Space Rider Observer Cube (SROC) is a technology demonstrator for small-satellite proximity operations, optical navigation, inspection, and rendezvous and docking, to be released from the multi-purpose cargo bay (MPCB) of the Space Rider space transportation vehicle. After its release from the multi-purpose CubeSat dispenser (MPCD) – a specifically developed dispenser equipped with a docking interface and retrieval mechanisms – and a successful commissioning and performance verification, SROC will perform far-range rendezvous with Space Rider, and put itself in passively safe observation trajectories. Following successful observation cycles, SROC will then approach Space Rider to perform the first CubeSat rendez-vous and docking. Once docked to MPCD, SROC will be stowed back in the dispenser and sent back to Earth on board Space Rider.

In case of off-nominal performance of SROC or other operational concerns, the approach and retrieval phase shall not be performed and SROC shall perform a disposal manoeuvre after its observation phase. This disposal manoeuvre shall result in an (un)controlled re-entry, in compliance with ESA’s space debris mitigation policy.

Launch: Space Rider Maiden Flight in late 2026, 400 km quasi-equatorial.

Status: PDR completed September 2024.