STEREO - Solar Terrestrial Relations Observatory
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Where is STEREO Today?

Positions of STEREO A and B for 29-Nov-2022 15:00 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)      1.011889        0.986435        0.963415        0.430692        0.796894        0.521762
Semidiameter (arcsec)            948.353         972.824         996.069        2228.104        1204.210        1839.207

HCI longitude                      1.512         351.355         336.955         280.082         335.596         110.122
HCI latitude                       0.097           1.093           2.809           3.796           6.614          -2.063

Carrington longitude              81.593          71.436          57.036           0.163          55.677         190.203
Carrington rotation number      2264.773        2264.802        2264.842        2265.000        2264.845        2264.472

Heliographic (HEEQ) longitude     10.157           0.000         -14.400         -71.273         -15.759         118.767
Heliographic (HEEQ) latitude       0.097           1.093           2.809           3.796           6.614          -2.063

HAE longitude                     77.254          67.053          52.559         355.843          50.773         185.946

Earth Ecliptic (HEE) longitude    10.201          -0.000         -14.493         -71.209         -16.280         118.894
Earth Ecliptic (HEE) latitude      0.290          -0.000          -0.040          -3.344           3.582           4.746

Roll from ecliptic north          -1.611                          -0.151
Roll from solar north              5.638                           6.519

Light travel time to Earth (min)           1.493           2.054                   7.826           2.655          10.974

Separation angle with Earth               10.205          14.493                  71.243          16.659         118.785
Separation angle A with B                         24.697

Carrington rotation 2264 runs from 2022-11-07 17:37 (DOY 311.73) to
2022-12-05 01:05 (DOY 339.05), as seen from Earth.


Last Revised: Tuesday, 29-Nov-2022 10:01:05 EST
Responsible NASA Official: [email address: therese.a.kucera<at>nasa<dot>gov]
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