STEREO - Solar Terrestrial Relations Observatory
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Important notice about STEREO Behind

 

Where is STEREO Today?

Positions of STEREO A and B for 4-May-2016 21:00 UT

Plot of spacecraft positions

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)      1.054590        1.008601        0.964401
Semidiameter (arcsec)            909.954         951.444         995.051

HCI longitude                    299.798         149.026         349.409
HCI latitude                       6.486          -3.745           1.274

Carrington longitude             218.893          68.121         268.504
Carrington rotation number      2176.392        2176.811        2177.254

Heliographic (HEEQ) longitude    150.771          -0.000        -159.618
Heliographic (HEEQ) latitude       6.486          -3.745           1.274

HAE longitude                     15.354         224.589          65.099

Earth Ecliptic (HEE) longitude   150.765           0.000        -159.490
Earth Ecliptic (HEE) latitude      0.185           0.000          -0.063

Roll from ecliptic north           0.333                           0.170
Roll from solar north              3.930                           7.298

Light travel time to Earth (min)          16.605          16.148

Separation angle with Earth              150.764         159.490
Separation angle A with B                         49.746


Last Revised: Wednesday, 04-May-2016 17:03:37 EDT
Responsible NASA Official: [e-mail address: gurman<at>gsfc<dot>nasa<dot>gov]
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