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Important notice about STEREO Behind
Positions of STEREO A and B for 21-Dec-2024 11:00 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) 1.024975 0.983727 0.967216 0.179417 0.948245 0.362606
Semidiameter (arcsec) 936.245 975.502 992.154 5348.578 1012.003 2646.475
HCI longitude 337.486 13.854 42.412 303.369 3.916 85.524
HCI latitude 2.970 -1.748 -5.033 3.202 3.682 -3.182
Carrington longitude 179.078 215.446 244.004 144.960 205.508 287.115
Carrington rotation number 2292.503 2292.402 2292.322 2292.597 2292.429 2292.202
Heliographic (HEEQ) longitude -36.367 0.000 28.558 -70.485 -9.938 71.670
Heliographic (HEEQ) latitude 2.970 -1.748 -5.033 3.202 3.682 -3.182
HAE longitude 53.068 89.727 118.419 19.122 79.186 161.285
Earth Ecliptic (HEE) longitude -36.660 -0.000 28.692 -70.605 -10.542 71.558
Earth Ecliptic (HEE) latitude 0.182 -0.000 -0.125 -2.856 4.150 4.048
Roll from ecliptic north 0.246 0.226
Roll from solar north 6.943 5.574
Light travel time to Earth (min) 5.264 4.023 7.815 1.612 7.776
Separation angle with Earth 36.660 28.692 70.630 11.321 71.606
Separation angle A with B 65.352
Carrington rotation 2292 runs from 2024-12-10 11:40 (DOY 345.49) to
2025-01-06 19:35 (DOY 6.82), as seen from Earth.
Last Revised: Saturday, 21-Dec-2024 06:01:05 EST
Responsible NASA Official: ![[email address: therese.a.kucera<at>nasa<dot>gov]](/img/kucera_email.jpg)
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