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Important notice about the deactivation of the STEREO ftp
server
Important notice about the STEREO redirects
Important notice about STEREO Behind
Positions of STEREO A and B for 18-Oct-2021 20:00 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) 1.022230 0.996145 0.957586 0.713142 0.738658 0.334567
Semidiameter (arcsec) 938.759 963.342 1002.132 1345.634 1299.150 2868.266
HCI longitude 344.335 309.824 271.579 258.665 302.296 2.118
HCI latitude 2.261 5.580 7.341 3.793 2.346 2.484
Carrington longitude 74.511 40.000 1.756 348.842 32.472 92.295
Carrington rotation number 2249.793 2249.889 2249.995 2250.031 2249.910 2249.744
Heliographic (HEEQ) longitude 34.511 0.000 -38.244 -51.158 -7.528 52.295
Heliographic (HEEQ) latitude 2.261 5.580 7.341 3.793 2.346 2.484
HAE longitude 59.945 25.363 347.332 334.437 18.110 77.554
Earth Ecliptic (HEE) longitude 34.582 0.000 -38.031 -50.926 -7.253 52.190
Earth Ecliptic (HEE) latitude 0.294 0.000 0.091 -3.319 -3.784 2.735
Roll from ecliptic north -0.424 0.119
Roll from solar north 6.557 0.318
Light travel time to Earth (min) 4.994 5.303 6.479 2.371 6.939
Separation angle with Earth 34.583 38.031 51.004 8.176 52.241
Separation angle A with B 72.612
Carrington rotation 2249 runs from 2021-09-24 13:54 (DOY 267.58) to
2021-10-21 20:47 (DOY 294.87), as seen from Earth.
Last Revised: Monday, 18-Oct-2021 16:01:05 EDT
Responsible NASA Official: ![[email address: therese.a.kucera<at>nasa<dot>gov]](/img/kucera_email.jpg)
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Webmaster: Kevin Addison
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