V4199 Sagittarii is a variable star in the southern constellation of Sagittarius. It is a dim star that is just visible to the naked eye with an apparent visual magnitude that varies between 6.22 and 6.28 over a period of 1.23825 days. The star is located at a distance of approximately 689 light years from the Sun based on parallax, but is drifting closer with a radial velocity of roughly −23 km/s. It has an absolute magnitude of −0.63, on average. It has a magnitude 9.96 companion star at an angular separation of 90.9″ along a position angle of 310°, as of 2003.