2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/188051We estimate the main systematic effects relevant in a mission to test and characterize the Pioneer anomaly through the flight formation concept, by launching probing spheres from a mother spacecraft and tracking their motion via laser ranging.9 pages, 1 table, 2 figures; based on a talk presented by one of us (O.B.) at the 2nd. Pioneer Anomaly Group Meeting at the International Space Science Institute, 19-23 February 2007General Relativity and Quantum Cosmologytext