While Transiting Exoplanet Survey Satellite (TESS) covers a considerable area of the sky during routine observations and the pointing schedule is easy to follow, it is not obvious to retrieve the current and/or predicted visibility of a bulk amount of objects, considering both stationary and moving Solar System targets like asteroids or comets. The program tessvisibility is a small piece of highly portable code implemented in both C an UNIX shell, providing functionalities for such bulk retrievals at the accuracy of a TESS pixel. This accuracy includes the gaps between the focal plane CCDs, the gaps between the cameras as well as at the sector-level treatment to obtain visibility information.

虽然过境系外行星勘测卫星 (TESS) 在常规观测期间覆盖了相当大的天空区域，并且指向时间表很容易遵循，但考虑到静止和/或大量物体的当前和/或预测的可见性并不明显和移动太阳系目标，如小行星或彗星。tessvisibility程序是一小段高度可移植的代码，在 C 和 UNIX shell 中实现，以 TESS 像素的精度为此类批量检索提供功能。这种精度包括焦平面 CCD 之间的间隙、相机之间的间隙以及在扇区级处理以获得可见性信息。