A Briz-M propellant tank re-entered the atmosphere on September 15, 2017 after three and a half years in orbit, making a slow decay from an elliptical orbit where it arrived as part of a mission to Geostationary Transfer Orbit. The Proton-M / Briz-M rocket launched the Ekspress AT-1 and AT-2 communications satellites.
NORAD ID: 39615
Origin: CIS (Russia)
Object: Briz-M Debris (Tank)
Type: Briz-M Auxiliary Propellant Tank
Launched: March 15, 2014 – 23:08 UTC
Launch Vehicle: Proton-M/Briz-M
Launch Site: Baikonur Cosmodrome, Kazakhstan
Re-Entry Prediction: September 15, 2017 – 21:37 UTC +/-120 Min.
Re-Entry Zone: Unknown