Important notice about STEREO Behind
The STEREO Ahead observatory is back to normal operations on the main
lobe of the high gain antenna.
Communications with the STEREO Behind spacecraft were interrupted on October 1,
2014 immediately after a planned reset of the spacecraft performed as part of a
test of solar conjunction operations. The spacecraft telemetry indicated an
anomaly in the guidance and control system, but this is still being
evaluated. No further communications have been successful since Oct. 1st.
for more information.
Attempts to reestablish communications with the STEREO Behind spacecraft are
Launched in 2006, the STEREO mission achieved its prime science goals within
the two-year prime mission, but continues to explore solar and heliospheric
activity through the current solar maxmimum and beyond.
Last Revised: Tuesday, 17-Nov-2015 11:12:21 EST
Responsible NASA Official:
Webmaster: Kevin Addison