Planet Labs’ Flock 1B-21 satellite re-entered the atmosphere on October 12, 2015 after seven months in orbit, collecting Earth imagery that Planet Labs offers on the commercial market.
NORAD ID: 40427
Object: Flock-1 CubeSat, 3U
Released from ISS: March 1, 2015 – 01:25 UTC
Re-Entry Prediction: October 12, 2015 – 13:37 UTC +/- 120 Minutes
Re-Entry Zone: Unknown
Satellite Description: Flock-1 represents a constellation of three-unit CubeSats operated by Planet Labs to build an Earth-observation constellation based on CubeSats. The satellites were first released from ISS in February 2014 to start orbiting Earth for several months, acquiring images of chosen ground targets.