STEREO - Solar Terrestrial Relations Observatory
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Where is STEREO Today?

Positions of STEREO A and B for 29-Nov-2022 14:00 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)      1.011910        0.986442        0.963410        0.431597        0.796573        0.521452
Semidiameter (arcsec)            948.333         972.817         996.074        2223.436        1204.695        1840.298

HCI longitude                      1.472         351.313         336.912         280.007         335.552         110.025
HCI latitude                       0.102           1.098           2.815           3.797           6.617          -2.058

Carrington longitude              82.144          71.985          57.584           0.679          56.224         190.697
Carrington rotation number      2264.772        2264.800        2264.840        2264.998        2264.844        2264.470

Heliographic (HEEQ) longitude     10.159          -0.000         -14.402         -71.306         -15.761         118.712
Heliographic (HEEQ) latitude       0.102           1.098           2.815           3.797           6.617          -2.058

HAE longitude                     77.213          67.010          52.516         355.768          50.730         185.849

Earth Ecliptic (HEE) longitude    10.203           0.000         -14.494         -71.242         -16.281         118.839
Earth Ecliptic (HEE) latitude      0.290           0.000          -0.039          -3.345           3.581           4.755

Roll from ecliptic north          -1.611                          -0.151
Roll from solar north              5.638                           6.517

Light travel time to Earth (min)           1.493           2.055                   7.829           2.657          10.970

Separation angle with Earth               10.207          14.495                  71.275          16.659         118.731
Separation angle A with B                         24.699

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 09:01:05 EST
Responsible NASA Official: [email address: therese.a.kucera<at>nasa<dot>gov]
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