Sun-synchronous inclination

J2-driven inclination for circular SSO at a given altitude (Earth observation / LEO design).

SIDUS educational calculator. Category orbital. Tags: earth-observation, LEO, mission-design, orbital. Pure SI. Not flight software.

Formula

Ω̇_J2 = −ω_sun → i_SSO(a)

Sun-synchronous inclination

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.
AeroVia Aerospace Tools (AeroVia (public calculators)): Public catalog of ISA, dynamic pressure, launch azimuth, RF link, SSO-class tools (domain demand reference).

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