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Important notice about STEREO Behind
Positions of STEREO A and B for 21-Mar-2025 21:00 UT
This figure plots the current positions of the STEREO Ahead (red) and Behind
(blue) spacecraft relative to the Sun (yellow) and Earth (green). The dotted
lines show the angular displacement from the Sun. Units are in A.U.
When the two spacecraft are close to Earth, an expanded view of the region
around Earth will appear on the right, in the same orientation as the
Sun-centered view.
Other resources:
STEREO-B Earth STEREO-A Parker SP Solar Orbiter BepiColombo
Heliocentric distance (AU) 1.002654 0.996318 0.959312 0.087038 0.361826 0.398491
Semidiameter (arcsec) 957.088 963.174 1000.330 11025.347 2652.182 2408.152
HCI longitude 66.834 105.494 136.874 338.861 129.953 106.430
HCI latitude -6.600 -6.990 -4.971 1.354 -16.807 -1.918
Carrington longitude 65.919 104.580 135.959 337.946 129.038 105.515
Carrington rotation number 2295.817 2295.710 2295.622 2296.061 2295.642 2295.707
Heliographic (HEEQ) longitude -38.660 0.000 31.380 -126.634 24.458 0.936
Heliographic (HEEQ) latitude -6.600 -6.990 -4.971 1.354 -16.807 -1.918
HAE longitude 142.762 181.142 212.410 54.621 204.569 182.251
Earth Ecliptic (HEE) longitude -38.380 0.000 31.268 -126.521 23.427 1.110
Earth Ecliptic (HEE) latitude 0.074 -0.000 -0.002 -1.262 -11.200 5.037
Roll from ecliptic north 0.090 0.001
Roll from solar north 2.937 -5.285
Light travel time to Earth (min) 5.465 4.393 8.737 5.730 4.995
Separation angle with Earth 38.380 31.268 126.511 25.830 5.157
Separation angle A with B 69.648
Carrington rotation 2295 runs from 2025-03-02 11:51 (DOY 61.49) to
2025-03-29 19:19 (DOY 88.80), as seen from Earth.
Last Revised: Friday, 21-Mar-2025 17:01:06 EDT
Responsible NASA Official: ![[email address: therese.a.kucera<at>nasa<dot>gov]](/img/kucera_email.jpg)
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