keplerian-core/dist/types/physics.d.ts

High-performance TypeScript library for orbital mechanics calculations, providing numerical integration, state propagation, and perturbation modeling for Keplerian orbits.

export interface Vector2D {
    x: number;
    y: number;
}
export interface OrbitalState {
    position: Vector2D;
    velocity: Vector2D;
    momentum?: Vector2D;
    angularMomentum?: number;
    rungeLenzVector?: Vector2D;
    energy?: number;
    eccentricity?: number;
}
export interface ThirdBodyPerturbationParams {
    gravitationalParameter: number;
    position: Vector2D;
    mass: number;
}
export interface SimulationParams {
    centralMass: number;
    orbitingMass: number;
    gravitationalConstant: number;
    timeStep: number;
    atmosphericDrag?: AtmosphericDragParams;
    solarRadiationPressure?: SolarRadiationPressureParams;
    j2Perturbation?: {
        j2Coefficient: number;
        radius: number;
    };
    thirdBodyPerturbation?: ThirdBodyPerturbationParams;
}
export interface InitialConditions {
    position: Vector2D;
    velocity: Vector2D;
}
export interface AtmosphericDragParams {
    dragCoefficient: number;
    crossSectionalArea: number;
    atmosphericDensity?: number;
}
export interface SolarRadiationPressureParams {
    reflectivityCoefficient: number;
    area: number;
    solarConstant: number;
}
export interface J2PerturbationParams {
    j2Coefficient: number;
    radius: number;
}
export interface SimulationParams {
    centralMass: number;
    orbitingMass: number;
    gravitationalConstant: number;
    timeStep: number;
    totalTime: number;
    integrator: IntegratorKey;
    atmosphericDrag?: AtmosphericDragParams;
    solarRadiationPressure?: SolarRadiationPressureParams;
    j2Perturbation?: J2PerturbationParams;
    thirdBodyPerturbation?: ThirdBodyPerturbationParams;
    format?: 'json' | 'csv';
}
export type IntegratorKey = 'rk4' | 'euler' | 'leapfrog' | 'rk2' | 'velocity-verlet' | 'dormand-prince' | 'wisdom-holman';
export interface Preset {
    params: Partial<SimulationParams>;
    initial: InitialConditions;
}
export interface ThirdBodyPerturbationParams {
    thirdBodyMass: number;
    thirdBodyPosition: Vector2D;
    gravitationalConstant: number;
}
export type PresetKey = 'circular' | 'elliptical' | 'hyperbolic' | 'parabolic' | 'retrograde' | 'collision';
export type ThemeKey = 'space' | 'nasa' | 'chalkboard' | 'high-contrast';