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Important notice about STEREO Behind
Positions of STEREO A and B for 18-Apr-2019 16:00 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
Heliocentric distance (AU) 1.086020 1.004057 0.967192
Semidiameter (arcsec) 883.619 955.750 992.179
HCI longitude 222.657 132.539 35.853
HCI latitude 4.748 -5.355 -4.387
Carrington longitude 319.739 229.621 132.935
Carrington rotation number 2216.112 2216.362 2216.631
Heliographic (HEEQ) longitude 90.118 0.000 -96.686
Heliographic (HEEQ) latitude 4.748 -5.355 -4.387
HAE longitude 298.635 208.076 111.850
Earth Ecliptic (HEE) longitude 90.559 0.000 -96.225
Earth Ecliptic (HEE) latitude -0.181 -0.000 -0.122
Roll from ecliptic north -0.001 0.012
Roll from solar north -5.327 5.885
Light travel time to Earth (min) 12.361 12.207
Separation angle with Earth 90.559 96.225
Separation angle A with B 173.208
Carrington rotation 2216 runs from 2019-04-08 18:59 (DOY 98.79) to
2019-05-06 01:04 (DOY 126.04), as seen from Earth.
Last Revised: Thursday, 18-Apr-2019 12:01:03 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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