CE and 10th century CE), present information on various planets alongside the mythologies of their associated deities.

Different manuscripts versions of these texts vary slightly in their measurements of Budha's revolutions, apogee, epicycles, nodal longitudes, orbital inclination, and other parameters. Scholars interpret these variations as evidence that the texts were revised over time. For example, both the Khandakhadyaka and one version of the Surya Siddhanta state that Budha completes 17,937,000 axial revolutions every 4,320,000