Hubble space telescope servicing mission 3A thermal timeline analysis

摘要

This paper presents an overview of the thermal analysis and results of the Hubble Space Telescope (HST) Servicing Mission 3A (SM3A).The shuttle mission took place from December 19-27,1999,with the servicing mission taking place December 21-25,1999.During the mission,several components were replaced during three planned Extra Vehicular Activities (EVAs).Also,a New Outer Blanket Layer (NOBL) was installed on several bays to repair the damage to the Multi-layer Insulation (MLI) that was seen during Servicing Mission 2.