Science Center - Where is STEREO?

Positions of STEREO A and B for 2025-07-10T00:28 UT

                                STEREO-B           Earth        STEREO-A

Heliocentric distance (AU)      1.065980        1.016565        0.955713
Semidiameter (arcsec)            900.231         943.990        1004.096

HCI longitude                    171.282         211.710         253.028
HCI latitude                      -1.298           3.830           7.054

Carrington longitude              48.035          88.463         129.781
Carrington rotation number      2299.867        2299.754        2299.639

Heliographic (HEEQ) longitude    -40.427          -0.000          41.319
Heliographic (HEEQ) latitude      -1.298           3.830           7.054

HAE longitude                    246.955         287.682         328.926

Earth Ecliptic (HEE) longitude   -40.727          -0.000          41.244
Earth Ecliptic (HEE) latitude     -0.195           0.000           0.113

Roll from ecliptic north          -0.227                          -0.125
Roll from solar north             -7.395                          -2.237

Light travel time to Earth (min)           6.040           5.797

Separation angle with Earth               40.728          41.245
Separation angle A with B                         81.972

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.