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STEREO SCIENCE CENTER

Important notice about reduced STEREO science operations

 

Where is STEREO Today?

Positions of STEREO A and B for 27-Nov-2014 20:00 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)      1.072528        0.986716        0.960077
Semidiameter (arcsec)            894.735         972.547         999.532

HCI longitude                    182.596         349.607         160.719
HCI latitude                       0.040           1.313          -2.358

Carrington longitude             334.984         141.995         313.107
Carrington rotation number      2158.069        2157.606        2157.130

Heliographic (HEEQ) longitude   -167.011           0.000         171.112
Heliographic (HEEQ) latitude       0.040           1.313          -2.358

HAE longitude                    258.346          65.291         236.347

Earth Ecliptic (HEE) longitude  -166.945           0.000         171.056
Earth Ecliptic (HEE) latitude     -0.290          -0.000           0.046

Roll from ecliptic north           1.248                           0.293
Roll from solar north             -5.996                          -6.550

Light travel time to Earth (min)          17.016          16.143

Separation angle with Earth              166.941         171.055
Separation angle A with B                         22.002


Last Revised: Thursday, 27-Nov-2014 15:01:38 EST
Responsible NASA Official: [email address: Joseph.B.Gurman<at>nasa<dot>gov]
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