TBD

Terran R | Mars Orbiter

Planetary Science

Time to liftoff

Targeting 2028

Target Window

2028

Exact time to be confirmed

Net Precision

Year

— Featured

Article

Mission Status

@ARealRocketMan · Aug 8, 2026

Relativity Space: Terran R

— Mission

Mars Orbiter

Mars Orbit· Mars

Mars science and telecommunications orbiter, with a NASA-developed atmospheric instrument suite called Aeolus. It includes a Doppler wind and temperature sensor, thermal limb sounder, surface radiometric sensors and a wide-field camera.

— Rocket

Terran

Terran R

Terran R is a medium-lift 2-stage launch vehicle developed by Relativity Space is the first fully-reusable, entirely 3D printed orbital launch vehicle.

Length: 66 m
Diameter: 5.5 m
LEO Capacity: 20,000 kg

Launches

Success

Failures

— Launch Pad

Launch Complex 16

Cape Canaveral SFS, FL

Terran R is a heavy-lift, two-stage, partially reusable launch vehicle in development by Relativity Space — thirteen LNG-fuelled Aeon engines on the first stage and up to 33,500 kg to low Earth orbit, building on the lessons of Terran 1.

— Launch Provider

Commercial

Relativity Space

Est. 2015 · CEO: Tim Ellis

Relativity Space is an American aerospace manufacturing company headquartered in Los Angeles, California. It was founded in 2015 by Tim Ellis and Jordan Noone. Relativity Space is developing manufacturing technologies, launch vehicles and rocket engines for commercial orbital launch services.

Total

Success

Pending