iTraject app for iPhone and iPad

Experience your own space flight to the Moon in 3D.

--APP SUMMARY--
iTraject, is a trajectory simulation in Earth Moon System which makes space flight easy for everyone. This powerful educational application, thanks to its numerical solver, makes all kind of orbital maneuver possible. iTraject is based on Newtons Second Law of Motion, Universal Law of Gravity and Keplers Laws of Planetary Motion.

--APP FEATURES--
-Start your space flight any time between 1950-2050 years
-Get Dynamical Time,Julian Day and Julian Ephemeris Day which correspond to UTC in simulation.
-Get the Epoch values which include Precession, Nutation and Obliquity of the ecliptic angles.
-Use your own location as a Ground Station and get Azimuth, Angular Elevation and Distance values of the vehicle with respect to your location and Latitude, Sidereal Time and Altitude of your location.
-Get Moons true position and velocity values in Geocentric Coordinates.
-Record your first 20 orbital maneuvers.
-Help pages with references available for interested users.
-Earth Moon Barycenter frame with mean ecliptic and equinox of J2000.0 is used as inertial frame.
-Dormand-Prince Method is used as a solver.
-Fast orbit prediction plane guide with analytic solution.
-Position,Velocity and Keplerian Elements of vehicle are displayed with respect to the body which vehicle is in the sphere of influence.

-- EASY TO USE--
-Just press any of radio buttons in position and velocity and time tabs and use rotatable button to increase or decrease values. When you are done with adjusting parameters, press fire button. If you press one of radio buttons again before pressing fire button, simulation continues where you pressed the button in the first place.
-You can not modify time and position values after you make your first fire. You need to restart to adjust them.
-If you press time button after simulation started, you can proceed your simulation slowly with rotatable button.