Science Center - Where is STEREO?
Positions of STEREO A and B for 2025-02-10T02:43 UT

STEREO-B Earth STEREO-A
Heliocentric distance (AU) 1.001861 0.986776 0.963882
Semidiameter (arcsec) 957.846 972.488 995.586
HCI longitude 26.908 65.322 95.147
HCI latitude -3.124 -6.597 -7.308
Carrington longitude 229.991 268.405 298.230
Carrington rotation number 2294.361 2294.254 2294.172
Heliographic (HEEQ) longitude -38.415 -0.000 29.824
Heliographic (HEEQ) latitude -3.124 -6.597 -7.308
HAE longitude 102.840 141.262 170.871
Earth Ecliptic (HEE) longitude -38.422 -0.000 29.608
Earth Ecliptic (HEE) latitude 0.174 0.000 -0.084
Roll from ecliptic north 0.218 0.145
Roll from solar north 6.681 -0.504
Light travel time to Earth (min) 5.444 4.150
Separation angle with Earth 38.423 29.608
Separation angle A with B 68.031
Carrington rotation 2294 runs from 2025-02-03 03:45 (DOY 34.16) to
2025-03-02 11:51 (DOY 61.49), as seen from Earth.
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