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.
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