SOHO Orbit file

The following file contains the information about the position of SOHO

orbitsohoidl.dat

The variables are defined in heliocentric ecliptic (J2000) coordinates

• TEMPSOHO: Time in days since 01/01/1995
• SOHO position vector
• RR SOHO: SOHO heliocentric distance in km.
• XX SOHO: 1$^{\mbox{st}}$ normalized component.
• YY SOHO: 2$^{\mbox{nd}}$ normalized component.
• ZZ SOHO: 3$^{\mbox{rd}}$ normalized component.
• SOHO Velocity Vector
• VX SOHO: 1$^{\mbox{st}}$ component in km/s.
• VY SOHO: 2$^{\mbox{nd}}$ component in km/s.
• VZ SOHO: 3$^{\mbox{rd}}$ component in km/s.
• Earth position as seen from SOHO
• RTERRE SOHO: Earth-SOHO distance in km.
• XTERRE SOHO: 1$^{\mbox{st}}$ normalized component.
• YTERRE SOHO: 2$^{\mbox{nd}}$ normalized component.
• ZTERRE SOHO: 3$^{\mbox{rd}}$ normalized component.
• Earth position as seen from the Sun
• RTERRE SOL: Sun-Earth distance in km.
• XTERRE SOL: 1$^{\mbox{st}}$ normalized component.
• YTERRE SOL: 2$^{\mbox{nd}}$ normalized component.
• ZTERRE SOL: 3$^{\mbox{rd}}$ normalized component.

There are 5 points per day in the file.

The file starts at (TEMPSOHO(0) = 365.0) 01/01/1996.