Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
HORIZONS Web-Interface
This tool provides a web-based limited interface to JPL's HORIZONS system which can be used to generate ephemerides for solar-system bodies. Full access to HORIZONS features is available via the primary telnet interface. HORIZONS system news shows recent changes and improvements. A web-interface tutorial is available to assist new users.

Current Settings

Ephemeris Type [change] :  OBSERVER
Target Body [change] :  Mars [499]
Observer Location [change] :  Geocentric [500]
Time Span [change] :  Start=2021-02-28, Stop=2021-03-30, Step=1 d
Table Settings [change] :  defaults
Display/Output [change] :  default (formatted HTML)
  ERROR:
  • sorry, session ID 'd644df5111dfdfcf22612b6b62c97914' has expired
  • a new ID has been issued, 4079f2bed16cc0697be3ae0068fb9887
  • if you got here from a bookmark, please update your bookmark using this link
  • enabling "cookies" on your browser may help in the future
  • please check your input and try again

Target Body

  Lookup the specified body:
  		 
 
  or of:
  
 
  or specify 1-750 sets of SGP4/SDP4 TLEs (Two-Line Elements) in standard format
to define an Earth-orbiting spacecraft not already available in Horizons

  
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Feb-28 01:28 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin