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Where is STEREO Today?

Positions of STEREO A and B for 25-Nov-2025 16:00 UT

Plot of spacecraft positions

This figure plots the current positions of the STEREO Ahead (red) and Behind (blue) spacecraft relative to the Sun (yellow) and Earth (green). The dotted lines show the angular displacement from the Sun. Units are in A.U.

When the two spacecraft are close to Earth, an expanded view of the region around Earth will appear on the right, in the same orientation as the Sun-centered view.

Other resources: 


                                STEREO-B           Earth        STEREO-A       Parker SP   Solar Orbiter     BepiColombo

Heliocentric distance (AU)      1.004516        0.989585        0.959894        0.511820        0.338560        0.346664
Semidiameter (arcsec)            955.313         969.727         999.723        1874.933        2834.442        2768.179

HCI longitude                     17.219          79.211         131.830         268.840         141.663          61.347
HCI latitude                      -1.973          -7.126          -5.427           3.861         -16.695           0.613

Carrington longitude             245.429         307.421           0.040         137.051           9.873         289.557
Carrington rotation number      2308.318        2308.146        2308.000        2308.619        2307.973        2308.196

Heliographic (HEEQ) longitude    -61.992           0.000          52.619        -170.370          62.452         -17.864
Heliographic (HEEQ) latitude      -1.973          -7.126          -5.427           3.861         -16.695           0.613

HAE longitude                     93.093         155.061         207.367         344.607         215.981         136.881

Earth Ecliptic (HEE) longitude   -61.968           0.000          52.306        -170.454          60.919         -18.180
Earth Ecliptic (HEE) latitude      0.187           0.000          -0.013          -3.390         -12.124           6.974

Roll from ecliptic north           0.099                           0.007
Roll from solar north              7.024                          -4.822

Light travel time to Earth (min)           8.539           7.150                  12.444           7.324           5.594

Separation angle with Earth               61.968          52.306                 169.875          61.627          19.429
Separation angle A with B                        114.273

Carrington rotation 2308 runs from 2026-02-20 01:10 (DOY  51.05) to
2026-03-19 08:57 (DOY  78.37), as seen from Earth.

Last Revised: Tuesday, 25-Nov-2025 11:58:33 EST
Responsible NASA Official: [email address: therese.a.kucera<at>nasa<dot>gov]
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