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- JPL_Horizons_On-Line_Ephemeris_System abstract "JPL Horizons On-Line Ephemeris System provides easy access to key solar system data and flexible production of highly accurate ephemerides for solar system objects.Osculating elements at a given epoch are always an approximation to an object's orbit (i.e. an unperturbed conic orbit or a "two-body" orbit). The real orbit (or the best approximation to such) considers perturbations by all planets, a few of the larger asteroids, a few other physical usually small forces, and requires numerical integration.JPL ephemerides do not use things such as periods, eccentricities, etc. Instead, JPL integrates the equations of motion in Cartesian coordinates (x,y,z), and adjusts the initial conditions in order to fit modern, highly accurate measurements of planetary positions.As of August 2013, Horizons now uses ephemeris DE431.".
- JPL_Horizons_On-Line_Ephemeris_System wikiPageExternalLink ?horizons.
- JPL_Horizons_On-Line_Ephemeris_System wikiPageExternalLink ?horizons_doc.
- JPL_Horizons_On-Line_Ephemeris_System wikiPageID "1406266".
- JPL_Horizons_On-Line_Ephemeris_System wikiPageRevisionID "570914511".
- JPL_Horizons_On-Line_Ephemeris_System hasPhotoCollection JPL_Horizons_On-Line_Ephemeris_System.
- JPL_Horizons_On-Line_Ephemeris_System subject Category:Astrometry.
- JPL_Horizons_On-Line_Ephemeris_System subject Category:Astronomy_websites.
- JPL_Horizons_On-Line_Ephemeris_System type Artifact100021939.
- JPL_Horizons_On-Line_Ephemeris_System type AstronomyWebsites.
- JPL_Horizons_On-Line_Ephemeris_System type Computer103082979.
- JPL_Horizons_On-Line_Ephemeris_System type Device103183080.
- JPL_Horizons_On-Line_Ephemeris_System type Instrumentality103575240.
- JPL_Horizons_On-Line_Ephemeris_System type Machine103699975.
- JPL_Horizons_On-Line_Ephemeris_System type Object100002684.
- JPL_Horizons_On-Line_Ephemeris_System type PhysicalEntity100001930.
- JPL_Horizons_On-Line_Ephemeris_System type WebSite106359193.
- JPL_Horizons_On-Line_Ephemeris_System type Whole100003553.
- JPL_Horizons_On-Line_Ephemeris_System comment "JPL Horizons On-Line Ephemeris System provides easy access to key solar system data and flexible production of highly accurate ephemerides for solar system objects.Osculating elements at a given epoch are always an approximation to an object's orbit (i.e. an unperturbed conic orbit or a "two-body" orbit).".
- JPL_Horizons_On-Line_Ephemeris_System label "JPL Horizons On-Line Ephemeris System".
- JPL_Horizons_On-Line_Ephemeris_System label "JPL Horizons On-Line Ephemeris System".
- JPL_Horizons_On-Line_Ephemeris_System label "噴氣推進實驗室線上曆書系統".
- JPL_Horizons_On-Line_Ephemeris_System sameAs JPL_Horizons_On-Line_Ephemeris_System.
- JPL_Horizons_On-Line_Ephemeris_System sameAs m.04z_x3.
- JPL_Horizons_On-Line_Ephemeris_System sameAs Q4026930.
- JPL_Horizons_On-Line_Ephemeris_System sameAs Q4026930.
- JPL_Horizons_On-Line_Ephemeris_System sameAs JPL_Horizons_On-Line_Ephemeris_System.
- JPL_Horizons_On-Line_Ephemeris_System wasDerivedFrom JPL_Horizons_On-Line_Ephemeris_System?oldid=570914511.
- JPL_Horizons_On-Line_Ephemeris_System isPrimaryTopicOf JPL_Horizons_On-Line_Ephemeris_System.