Launch Capacity vs Launch Cost

Business Context

Greater launch capacity allows missions to deploy heavier spacecraft, additional payloads, larger propellant reserves, or multiple satellites during a single launch. However, selecting higher-capacity launch services can increase mission cost and may provide performance that remains partially unused. Reducing launch capacity lowers transportation cost but can impose restrictive mass limits on spacecraft architecture and mission capability.

Space TRIZ Resolution

Launch capacity should be matched dynamically to mission requirements rather than treated as a fixed spacecraft constraint. Rideshare arrangements, modular deployment, distributed spacecraft architectures, orbital transfer vehicles, and shared launches can allow missions to obtain the transportation capability they need without purchasing unnecessary dedicated capacity. Spacecraft design can also separate elements that do not need to reach orbit simultaneously.

Applicable TRIZ Principles

Principle 1 – Segmentation divides mission assets into launchable elements when simultaneous deployment is unnecessary.

Principle 5 – Merging combines compatible payloads or missions within shared launch capacity.

Principle 24 – Intermediary uses transfer vehicles or other transportation services between launch injection and operational orbit.

Expected Outcome

Lower effective launch cost

Better utilization of available launch capacity

Greater spacecraft architecture flexibility

Reduced dependence on oversized launch vehicles

Decision Indicators

Early indicators include:

Missions purchase substantially more launch capacity than they use.

Spacecraft capability is reduced primarily to fit a particular launch option.

Dedicated launches are selected despite compatible shared alternatives.

Launch cost represents a disproportionate portion of mission economics.

Mission elements are required to launch together without a functional reason.