Patched-conic departure

Parking-orbit Δv and C3 to inject onto a coplanar heliocentric Hohmann (educational patched conic).

SIDUS educational calculator. Category planetary. Tags: delta-v, hyperbolic, mission-design, planetary, trajectory. Pure SI. Not flight software.

Formula

v_∞ ≈ |v_t − v_p| · C3 = v_∞² · Δv_park

Patched-conic departure burn

Primary sources

Fundamentals of Astrodynamics and Applications (David A. Vallado): Standard reference for two-body, Lambert, maneuvers, and J2. Equations implemented independently in SIDUS.
Orbital Mechanics for Engineering Students (Howard D. Curtis): Textbook derivations for Hohmann, vis-viva, rocket equation, elements.
NASA Glenn Research Center: Beginner’s Guide to Aeronautics (NASA GRC): Ideal rocket equation, specific impulse, thrust equation, dynamic pressure education pages.

How do AI agents use this tool?

Read /llms.txt or call https://sidus.tools/api/mcp. Open the interactive page for live SI inputs.

Open interactive tool · SIDUS