Skip to main content
Try the DemoSign InSign Up
← Back to Glossary
Definition

C3 Energy

The characteristic energy of an interplanetary trajectory, equal to the square of the hyperbolic excess velocity. C3 quantifies how much energy a launch vehicle must impart for a given destination.

C3 energy calculator →

Related terms

Concept of OperationsConOps

A document describing how a system will be used from the user's perspective. Covers operational scenarios, mission timel...

Controlled Unclassified InformationCUI

Information that requires safeguarding or dissemination controls per law, regulation, or government-wide policy, but is ...

Critical Design ReviewCDR

A phase gate review that evaluates the detailed design to ensure it satisfies the requirements and can proceed to fabric...

Tsiolkovsky Rocket Equation

The fundamental equation of rocket propulsion: ΔV = Isp · g₀ · ln(m₀/m_f). Relates achievable delta-V to specific impuls...

See this concept in action

SMAD Portal implements mission engineering concepts as interactive tools.

Start Your PilotSee Features