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Positions of STEREO A and B for 2026-04-21T08:21 UT

STEREO-B Earth STEREO-A
Heliocentric distance (AU) 1.004634 1.004885 0.954776
Semidiameter (arcsec) 955.201 954.962 1005.081
HCI longitude 73.651 135.350 190.895
HCI latitude -6.911 -5.108 1.483
Carrington longitude 223.191 284.890 340.434
Carrington rotation number 2310.380 2310.209 2310.054
Heliographic (HEEQ) longitude -61.699 0.000 55.545
Heliographic (HEEQ) latitude -6.911 -5.108 1.483
HAE longitude 149.539 210.886 266.759
Earth Ecliptic (HEE) longitude -61.347 0.000 55.873
Earth Ecliptic (HEE) latitude 0.052 0.000 0.101
Roll from ecliptic north 0.026 -0.068
Roll from solar north 2.062 -7.189
Light travel time to Earth (min) 8.526 7.645
Separation angle with Earth 61.347 55.873
Separation angle A with B 117.220
Carrington rotation 2310 runs from 2026-04-15 15:50 (DOY 105.66) to
2026-05-12 21:40 (DOY 132.90), as seen from Earth.
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