About us

Digital Mission Engineering for Space Systems

STELLOR was created to bring clarity and consistency to early-phase space mission design — replacing fragmented tools with a coherent, physics-based engineering platform.

How we approach mission engineering

Engineering clarity over complexity

We build digital mission engineering tools that prioritize physical realism and system-level understanding, without unnecessary abstraction.

Built Around You

We build digital mission engineering tools that prioritize physical realism and system-level understanding, without unnecessary abstraction.

Coherent systems, not scripts

Space system design deserves structured, maintainable digital workflows instead of fragile, ad-hoc scripts tied to individual projects.

Physics-first decisions

Engineering confidence comes from physically consistent models, traceable assumptions, and results you can validate and explain.

Designed for real mission work

Faster iteration, without shortcuts

Rapid trade studies and scenario iteration, without sacrificing physical accuracy or engineering rigor.

Built Around You

Rapid trade studies and scenario iteration, without sacrificing physical accuracy or engineering rigor.

Transparent by design

No hidden assumptions. No unexplained results. Every output can be understood, traced, and justified.

Transparent by design

No hidden assumptions. No unexplained results. Every output can be understood, traced, and justified.

Built for long-term mission work

Designed to scale from early concept studies to more detailed mission analysis, without throwing work away.

Built for long-term mission work

Designed to scale from early concept studies to more detailed mission analysis, without throwing work away.