Relativity Space · In Development · us · Launch Vehicle
Terran R
Reusable medium-heavy lift rocket targeting first launch late 2026 from Cape Canaveral.
Verified 2026-06-17
Systems cutaway
Aeon R engines (LOX/methane) on first and second stages; 3,497,000 lbf (15,555 kN) total liftoff thrust; all engines additively manufactured.
86.6 m height; 5 m diameter; 3D-printed primary structures; grid fins, four landing legs on first stage.
First stage designed for propulsive landing with 4 landing legs, 4 grid fins, base heat shield, engine relight capability.
Specs & Metrics
- Payload to LEO ↑ better
- 23,500 kg
- reusable/downrange landing config; 33,500 kg expendable
- Maximum payload mass deliverable to low Earth orbit (~200–400 km circular), in the vehicle's stated reference configuration.
- Liftoff Thrust ↑ better
- 15555 kN
- 15,555,431 N total liftoff thrust
- Total first-stage thrust at liftoff (sea-level), in kilonewtons, summing all active engines and solid strap-ons.
- Vehicle Height ↓ better
- 86.6 m
- Full stack height at liftoff, in metres, including fairing or spacecraft.
Subsystems
Aeon R engines (LOX/methane) on first and second stages; 3,497,000 lbf (15,555 kN) total liftoff thrust; all engines additively manufactured.
86.6 m height; 5 m diameter; 3D-printed primary structures; grid fins, four landing legs on first stage.
First stage designed for propulsive landing with 4 landing legs, 4 grid fins, base heat shield, engine relight capability.