Planet’s Flock 2E-4 Earth-imaging satellite re-entered the atmosphere on March 11, 2018 – decaying 22 months after being released from the International Space Station to join Planet’s orbiting constellation of Doves that image the entire Earth at least once per day.
NORAD ID: 41487
Object: Flock-2 CubeSat, 3U
Released from ISS: May 18, 2016 – 02:15 UTC
Re-Entry Prediction: March 11, 2018 – 11:08 UTC +/- 18 Minutes
Re-Entry Zone: Unknown
Satellite Description: Flock 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.