Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

B Web ephemeris for solar system

  1. Jan 29, 2017 #1

    Dale

    Staff: Mentor

    Does anyone know of a website with an accurate ephemeris where you can plug in a time and get the state vectors (position and velocity) for the sun and all of the planets in a barycentric coordinate system?
     
  2. jcsd
  3. Jan 29, 2017 #2
  4. Jan 30, 2017 #3

    Dale

    Staff: Mentor

    Thanks, this seems to be just about perfect!
     
  5. Jan 30, 2017 #4

    tony873004

    User Avatar
    Science Advisor
    Gold Member

    For observer location, use @0 for barycentric or @010 for heliocentric.
    There won't be a huge difference between the two.
    I find heliocentric more useful.
     
  6. Jan 30, 2017 #5

    Dale

    Staff: Mentor

    Thanks for the tip. I need barycentric because I am calculating angular momentum and I don't want to have to adjust things for the wobbling of the sun.
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted



Similar Discussions: Web ephemeris for solar system
  1. The Solar System (Replies: 2)

  2. Solar System (Replies: 4)

Loading...