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

Important notice about the STEREO redirects

New procedure for updating SolarSoft

Read-only problem while updating SolarSoft with WGET

Information about STEREO-A close approach to Earth, August 2023

Parker Solar Probe perihelion, 18 January 2021

This figure shows the orbital configuration of STEREO Ahead (red) during the perihelion passage of Parker Solar Probe (orange) centered on 18 January 2021. The positions of Parker Solar Probe are plotted at one day intervals during the period when it is within 0.25 AU of the Sun. The sense of motion is counter-clockwise. During this short period, the motions of STEREO and the planets are negligible in the Heliocentric Earth Ecliptic coordinate system which follows Earth's orbital period. STEREO Ahead is in quadrature at the point of closest approach. Radial alignment and magnetic connectivity also occur during perihelion passage.

Orbital plot

Note that the projected location of STEREO Behind is also plotted. However, that spacecraft is not currently operational. Follow this link for more information.

Also shown are the projected positions of Solar Orbiter (purple) based on a February 2020 launch date.

The following figures show the progression of Parker Solar Probe through the fields of view of the STEREO/SECCHI telescopes. The images are simulated, based on data from earlier in the STEREO mission.

EUVI/COR1/COR2

EUVI,COR1,COR2

HI1

HI1

Back to PSP support page.


Last Revised: Tuesday, 12-Feb-2019 19:33:52 UTC
Responsible NASA Official: [email address: Therese.A.Kucera<at>nasa<dot>gov]
Accessibility
Privacy Policy and Important Notices
Feedback and comments: webmaster