[Site Map] [Contact] [Home]
STEREO SCIENCE CENTER

Science Center - Where is STEREO?

Positions of STEREO A and B for 2025-04-22T17:29 UT



                                STEREO-B           Earth        STEREO-A

Heliocentric distance (AU)      1.015783        1.005327        0.956070
Semidiameter (arcsec)            944.717         954.543        1003.721

HCI longitude                     98.558         136.944         170.270
HCI latitude                      -7.204          -4.963          -1.161

Carrington longitude               5.821          44.207          77.533
Carrington rotation number      2296.984        2296.877        2296.785

Heliographic (HEEQ) longitude    -38.386          -0.000          33.326
Heliographic (HEEQ) latitude      -7.204          -4.963          -1.161

HAE longitude                    174.255         212.480         245.968

Earth Ecliptic (HEE) longitude   -38.225          -0.000          33.488
Earth Ecliptic (HEE) latitude     -0.032          -0.000           0.067

Roll from ecliptic north          -0.044                          -0.103
Roll from solar north             -1.120                          -7.250

Light travel time to Earth (min)           5.505           4.716

Separation angle with Earth               38.225          33.488
Separation angle A with B                         71.712

Carrington rotation 2296 runs from 2025-03-29 19:19 (DOY  88.80) to
2025-04-26 01:47 (DOY 116.07), as seen from Earth.


Date: Time: : UTC

Field-of-view: Automatic Inner solar system (Mars) Outer solar system (Saturn)

Options : Ulysses MESSENGER Rosetta Vesta Ceres Parker spiral
MAVEN cruise phase BepiColombo cruise phase Parker Solar Probe Solar Orbiter
Psyche Europa Clipper

Background: Black White


Page Generated: 22-Apr-2025 17:29:22 UTC
Responsible NASA Official: [email address: therese.a.kucera<at>nasa<dot>gov]
Privacy Policy and Important Notices
Feedback and comments: webmaster