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Definition

Bipropellant

A propulsion system using separate fuel and oxidizer combined in a combustion chamber. Higher Isp than monopropellants but more complex plumbing and mass.

Related terms

Bus

The structural and functional core of a spacecraft that houses and supports the payload and all subsystems. Includes pow...

Budget (Mass/Power/Link)

An accounting of resource allocation across spacecraft subsystems with margins. Mass budgets track weight, power budgets...

Ballistic Coefficient

A measure of how an object's mass and shape resist atmospheric drag, calculated as mass divided by (drag coefficient tim...

Beta Angle

The angle between the orbital plane and the Sun vector. Determines the fraction of an orbit spent in eclipse and drives ...

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