Science Center - Where is STEREO?
Positions of STEREO A and B for 2025-01-22T06:43 UT
STEREO-B Earth STEREO-A
Heliocentric distance (AU) 1.007835 0.984212 0.965622
Semidiameter (arcsec) 952.168 975.021 993.792
HCI longitude 8.268 46.149 75.443
HCI latitude -0.856 -5.245 -7.133
Carrington longitude 118.491 156.372 185.666
Carrington rotation number 2293.671 2293.566 2293.484
Heliographic (HEEQ) longitude -37.881 0.000 29.294
Heliographic (HEEQ) latitude -0.856 -5.245 -7.133
HAE longitude 84.076 122.145 151.324
Earth Ecliptic (HEE) longitude -38.069 0.000 29.179
Earth Ecliptic (HEE) latitude 0.194 0.000 -0.111
Roll from ecliptic north 0.247 0.195
Roll from solar north 7.423 2.013
Light travel time to Earth (min) 5.407 4.088
Separation angle with Earth 38.070 29.179
Separation angle A with B 67.249
Carrington rotation 2293 runs from 2025-01-06 19:35 (DOY 6.82) to
2025-02-03 03:45 (DOY 34.16), as seen from Earth.
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