The GRUZOMAKET Mass Simulator, delivered to orbit in the debut Strela launch in 2003, re-entered the atmosphere in December 2015 after 12 years in orbit, starting out at an altitude of 500 Kilometers. The mass simulator represented the properties of the Kondor Earth observation satellite to demonstrate the orbital insertion accuracy of the Strela launcher.

NORAD ID: 28098
Origin: USA
Type: Vehicle Evaluation Payload
Mass: 978kg
Inclination: 67.1°
Launched: December 5, 2003 – 06:00 UTC
Launch Vehicle: Strela
Launch Site: Baikonur Kazakhstan

Re-Entry Prediction: December 14, 2015 – 20:17 UTC +/-30 Minutes
Re-Entry Zone: Unknown

Re-Entry Orbit
Image: Orbitron/Spaceflight101
Image: Orbitron/Spaceflight101