Positions of STEREO A and B for 2026-09-09T15:30 UT

                                STEREO-B           Earth        STEREO-A

Heliocentric distance (AU)      1.081650        1.007217        0.964489
Semidiameter (arcsec)            887.188         952.752         994.960

HCI longitude                    204.060         270.847         339.961
HCI latitude                       2.794           7.251           2.446

Carrington longitude             149.373         216.160         285.274
Carrington rotation number      2315.585        2315.400        2315.208

Heliographic (HEEQ) longitude    -66.787          -0.000          69.114
Heliographic (HEEQ) latitude       2.794           7.251           2.446

HAE longitude                    279.977         346.606          55.584

Earth Ecliptic (HEE) longitude   -66.629           0.000          68.978
Earth Ecliptic (HEE) latitude     -0.178           0.000          -0.048

Roll from ecliptic north          -0.076                           0.020
Roll from solar north             -6.695                           6.830

Light travel time to Earth (min)           9.556           9.291

Separation angle with Earth               66.629          68.978
Separation angle A with B                        135.606

Carrington rotation 2315 runs from 2026-08-29 18:07 (DOY 241.75) to
2026-09-26 00:28 (DOY 269.02), as seen from Earth.