Advanced Composition Explorer orbit in L1
Advanced Composition Explorer orbit in L1Image credit: NASA/H. Zell.

ACE spacecraft

Advanced Composition Explorer (ACE) is a spacecraft laboratory, orbiting the Sun-Earth first libration point. Its mission is the measurement of solar wind and the interplanetary magnetic field at Sun-Earth L1 Lagrange point, some time before solar particles reach our planet.

MMS real time solar wind dashboard

Real-time ACE data dials dashbord, current and predicted space weather conditions plots from NASA MMS at RSI.
(External links to dashbord and forecast open in a new browser window.)
Solar Wind Dashboard | Solar Wind Forecast

SWPC data plots

NOAA SWPC latest history plots, visualizing the data from the four ACE instruments: EPAM, SWEPAM, MAG and SIS.
(External links to plot images open in a new browser window.)

SRL data plots

GSE position of ACE spacecraft and latest four days of received solar wind data, visualized by SRL at Caltech:
Latest 4 days | Position XY plane | Position XZ plane | Position YZ plane

RTSW data reception

Ground station tracking of ACE RTSW data, processed by NOAA SWPC. Network coverage and data reception plots for the latest 6 hours and 48 hours.
(External links to plot images open in a new browser window.)
6 hours | 48 hours

Sources and credits

National Aeronautics and Space Administration Magnetospheric Multiscale Mission and Department of Physics & Astronomy at Rice Space Institute, mms.rice.edu

Space Weather Prediction Center at National Oceanic and Atmospheric Administration, www.swpc.noaa.gov

Advanced Composition Explorer Science Center at Space Radiation Lab, California Institute of Technology, www.srl.caltech.edu/ACE/