Interface Planet

interface Planet {
    argOfPeriapsis: null | number;
    atmosphereComposition: null | AtmosphereComposition;
    atmosphereType: null | string;
    axialTilt: null | number;
    belts?: Asteroids[];
    bodyId: null | number;
    discovery?: { commander: string; date: string };
    distanceToArrival: number;
    earthMasses: number;
    gravity: number;
    id: number;
    id64: null | Id64;
    isLandable: boolean;
    materials?: Materials;
    name: string;
    orbitalEccentricity: null | number;
    orbitalInclination: null | number;
    orbitalPeriod: null | number;
    parents:
        | null
        | ({ Star: number } | { Planet: number } | { Null: number })[];
    radius: number;
    reserveLevel?: null | string;
    rings?: Asteroids[];
    rotationalPeriod: null | number;
    rotationalPeriodTidallyLocked: boolean;
    semiMajorAxis: null | number;
    solidComposition: null | SolidComposition;
    subType: string;
    surfacePressure: null | number;
    surfaceTemperature: number;
    systemId: number;
    systemId64: Id64;
    systemName: string;
    terraformingState: null | string;
    type: "Planet";
    updateTime: string;
    volcanismType: null | string;
}