Science Center - Where is STEREO?

Positions of STEREO A and B for 2025-07-11T15:29 UT

                                STEREO-B           Earth        STEREO-A

Heliocentric distance (AU)      1.066876        1.016522        0.955836
Semidiameter (arcsec)            899.474         944.031        1003.967

HCI longitude                    172.709         213.254         254.760
HCI latitude                      -1.119           3.995           7.112

Carrington longitude              26.402          66.948         108.453
Carrington rotation number      2299.927        2299.814        2299.699

Heliographic (HEEQ) longitude    -40.546           0.000          41.506
Heliographic (HEEQ) latitude      -1.119           3.995           7.112

HAE longitude                    248.392         289.232         330.646

Earth Ecliptic (HEE) longitude   -40.840          -0.000          41.414
Earth Ecliptic (HEE) latitude     -0.195           0.000           0.111

Roll from ecliptic north          -0.227                          -0.123
Roll from solar north             -7.420                          -2.024

Light travel time to Earth (min)           6.059           5.820

Separation angle with Earth               40.840          41.414
Separation angle A with B                         82.254

Carrington rotation 2299 runs from 2025-06-19 12:06 (DOY 170.50) to
2025-07-16 16:54 (DOY 197.70), as seen from Earth.