Bloostar
Balloon-launched orbital rocket; 75 kg to 600 km SSO, methane/LOX propulsion.
About
Bloostar is Zero 2 Infinity’s orbital launch vehicle (in development). A balloon ascends to high altitude, then deploys a 3-stage rocket with toroidal propellant tanks and methane/LOX engines (up to 104 kN thrust). Target payload: 75 kg to 600 km SSO. Fairing: 2020 mm diameter × 1150 mm height. Also offers near-space satellite testing prior to full orbital deployment.
Documentation
No public datasheet yet — request the datasheet / ICD from the supplier.