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about STEREO-A close approach to Earth, August 2023
Positions of STEREO A and B for 15-Oct-2024 12:00 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) 1.068182 0.997018 0.964021 0.501242 0.428686 0.458420
Semidiameter (arcsec) 898.375 962.498 995.443 1914.501 2238.531 2093.340
HCI longitude 275.935 306.739 333.555 229.907 274.642 160.545
HCI latitude 7.236 5.821 3.206 2.986 7.165 -2.980
Carrington longitude 347.291 18.094 44.911 301.263 345.998 231.900
Carrington rotation number 2290.035 2289.950 2289.875 2290.163 2290.039 2290.356
Heliographic (HEEQ) longitude -30.804 0.000 26.816 -76.832 -32.097 -146.194
Heliographic (HEEQ) latitude 7.236 5.821 3.206 2.986 7.165 -2.980
HAE longitude 351.654 22.284 49.141 305.690 350.371 236.100
Earth Ecliptic (HEE) longitude -30.631 0.000 26.857 -76.594 -31.913 -146.185
Earth Ecliptic (HEE) latitude 0.023 0.000 -0.034 -2.568 -0.063 -0.552
Roll from ecliptic north 0.042 0.070
Roll from solar north 0.790 6.559
Light travel time to Earth (min) 4.573 3.797 8.374 5.593 11.655
Separation angle with Earth 30.631 26.857 76.608 31.913 146.181
Separation angle A with B 57.487
Carrington rotation 2289 runs from 2024-09-19 14:07 (DOY 263.59) to
2024-10-16 20:55 (DOY 290.87), as seen from Earth.
Last Revised: Tuesday, 15-Oct-2024 12:01:06 UTC
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