The following data would be transmitted to earth : As UNOSAT was planned to be launched as a secondary payload along with the SATEC satellite and it would be impossible for the launcher to put them into distinct orbits , both satellites were mechanically connected , although there was electrical and telemetry autonomy between the two . That satellite was lost in the explosion of the VLS-1 V03 launch vehicle on August 23 , 2003 in an explosion three days before the launch date . This event came to be known as accident of Alcantara
VLS-1 V03
VLS-1 V03
UNOSAT (satellite)