Science Center - Where is STEREO?

Positions of STEREO A and B for 2024-10-22T22:45 UT

                                STEREO-B           Earth        STEREO-A

Heliocentric distance (AU)      1.064061        0.994949        0.964749
Semidiameter (arcsec)            901.854         964.499         994.691

HCI longitude                    282.574         314.145         341.246
HCI latitude                       7.124           5.215           2.289

Carrington longitude             248.285         279.856         306.957
Carrington rotation number      2290.310        2290.223        2290.147

Heliographic (HEEQ) longitude    -31.571           0.000          27.101
Heliographic (HEEQ) latitude       7.124           5.215           2.289

HAE longitude                    358.241          29.681          56.878

Earth Ecliptic (HEE) longitude   -31.440           0.000          27.197
Earth Ecliptic (HEE) latitude      0.045          -0.000          -0.050

Roll from ecliptic north           0.077                           0.099
Roll from solar north              1.652                           6.964

Light travel time to Earth (min)           4.673           3.840

Separation angle with Earth               31.440          27.197
Separation angle A with B                         58.636

Carrington rotation 2290 runs from 2024-10-16 20:55 (DOY 290.87) to
2024-11-13 04:07 (DOY 318.17), as seen from Earth.