Science Center - Where is STEREO?

Positions of STEREO A and B for 2021-01-21 07:23 UT

                                STEREO-B           Earth        STEREO-A

Heliocentric distance (AU)      1.016514        0.984083        0.964355
Semidiameter (arcsec)            944.038         975.149         995.098

HCI longitude                    101.931          45.192         349.124
HCI latitude                      -7.203          -5.161           1.309

Carrington longitude              69.352          12.614         316.545
Carrington rotation number      2239.807        2239.965        2240.121

Heliographic (HEEQ) longitude     56.738           0.000         -56.069
Heliographic (HEEQ) latitude      -7.203          -5.161           1.309

HAE longitude                    177.601         121.188          64.812

Earth Ecliptic (HEE) longitude    56.413           0.000         -56.376
Earth Ecliptic (HEE) latitude     -0.107           0.000          -0.063

Roll from ecliptic north           0.068                          -0.041
Roll from solar north             -1.427                           7.080

Light travel time to Earth (min)           7.868           7.656

Separation angle with Earth               56.413          56.376
Separation angle A with B                        112.789

Carrington rotation 2239 runs from 2020-12-25 22:17 (DOY 360.93) to
2021-01-22 06:22 (DOY  22.27), as seen from Earth.