Hello @samuele
I’ve already used Orekit to simulate cis-lunar rendez-vous from Earth to Lunar Gateway.
To my opinion, CR3BP is not accurate enough.
It’s better to use numerical integration with Earth, Moon, Sun attractions, without considering a specific central body. For that, I’ve created a numerical propagator with :
setOrbit(null),
setIgnoreCentralAttraction(true)
addForceModel(new InertialForces(CelestialBodyFactory.getSolarSystemBarycenter().getInertiallyOrientedFrame()));
addForceModel(new SingleBodyAbsoluteAttraction(CelestialBodyFactory.getEarth()));
addForceModel(new SingleBodyAbsoluteAttraction(CelestialBodyFactory.getMoon()));
addForceModel(new SingleBodyAbsoluteAttraction(CelestialBodyFactory.getSun()));
Regards,
Sébastien