Terran R
Relativity Space
Terran R is Relativity Space's next-generation, fully reusable, 3D-printed two-stage rocket designed to serve the growing LEO, MEO, and GEO constellation launch market.
Technical specifications
- Height
- 284 ft (86.6 m)
- Diameter
- 17.7 ft (5.4 m)
- Payload fairing diameter
- 5 m
- Stages
- 2
- Stage 1 engines
- 13x Aeon R (LOX-methane, gas generator cycle)
- Stage 2 engine
- 1x Aeon V vacuum (LOX-methane)
- Thrust
- 269,000 lbf per Aeon R (sea level); 323,000 lbf Aeon V (vacuum); 3,497,000 lbf total liftoff
- Payload to LEO (reusable)
- 23,500 kg
- Payload to LEO (expendable)
- 33,500 kg
- Payload to GTO (reusable)
- 5,500 kg
- Reusability
- First stage reusable via downrange landing
- Manufacturing
- Large-scale 3D printing / additive manufacturing
- Launch site
- Launch Complex 16, Cape Canaveral Space Force Station, Florida
- Target launch window
- Late 2026
About
Terran R is Relativity Space’s current flagship launch vehicle, developed as the successor to the retired Terran 1 (the world’s first 3D-printed rocket, which flew once in March 2023). Terran R is a two-stage, reusable, medium-to-heavy lift rocket built using large-scale additive manufacturing combined with autonomous robotics and AI-driven software, aiming to drastically cut part count and production time compared to traditional rockets. It stands 284 ft (86.6 m) tall with an 18 ft (5.4 m) diameter and a 5-meter payload fairing. The first stage is powered by 13 Aeon R engines and the second stage by a single Aeon V vacuum engine, both using LOX-methane propellant in a high-pressure gas generator cycle, together producing about 3.5 million lbf of liftoff thrust. The first stage is designed to be reusable via downrange landing. Terran R targets the LEO constellation market as well as commercial, government, and telecommunications customers, with over $3 billion in launch service agreements secured to date. It is slated to launch from Launch Complex 16 at Cape Canaveral Space Force Station, Florida, with a target launch window in late 2026.
Documentation
No public datasheet yet — request the datasheet / ICD from the supplier.