The Prometheus 1-4 satellite, one of eight secretive satellites operated by the Los Alamos National Laboratory, re-entered on December 13, 2015 after two years in orbit.
NORAD ID: 39390
Object: Prometheus 1-4
Type: 1.5U CubeSat
Launched: November 20, 2013 – 01:15 UTC
Launch Vehicle: Minotaur I
Launch Site: Wallops, Virinia, USA
Re-Entry Prediction: December 13, 2015 – 10:56 UTC +/-2 Minutes
Re-Entry Zone: Pacific Ocean
The Prometheus 1 Satellites are eight CubeSats that were developed by the Los Alamos National Laboratory and will be used to demonstrate the operation of a constellation of CubeSats.