{"release":{"id":"DR1","released_on":"2026-08-21","doi":null,"url":"https://spacecatalog.org/releases#dr1"},"epoch":{"requested":"now","label":"J2026.671","julian_year":2026.671,"time":"2026-09-03T04:56:25.203Z","years_from_j2000":26.671,"frame":"date","applied":"Proper motion, then precession and nutation. The catalogued J2000 position is carried along the great circle the object's own published motion puts it on, at a constant velocity, and the result is referred to the true equator and equinox of this instant. Those are separate things: the motion moves the object, and the rotation turns the grid under it by about fifty arcseconds a year, with nutation adding up to another seventeen.","excluded":"Parallax, the radial-velocity perspective term, aberration and refraction; each is below the accuracy of the catalogued positions themselves. An object with no published proper motion comes back where the catalogue has it rather than at a fabricated zero, and says so with a null pm_ra_mas_yr. A body with no fixed position is not propagated at all — its place comes from an ephemeris, which is what /api/v1/visible answers with."},"slug":"ogle-tr-10-b","name":"OGLE-TR-10 b","class":"gas_giant","category":"exoplanet","object_type":"Gas giant","mag":null,"mag_band":null,"abs_mag":null,"abs_mag_band":null,"distance_ly":4386.705433376884,"distance_method":"NASA Exoplanet Archive sy_dist (TICv8, 2019AJ....158..138S)","ra_deg":267.8677483,"dec_deg":-29.8764758,"epoch_ra_deg":268.297582,"epoch_dec_deg":-29.883774,"epoch_moved_arcsec":null,"pm_ra_mas_yr":null,"pm_dec_mas_yr":null,"orbits":"OGLE-TR-10","semi_major_axis_km":6492547.58838,"periapsis_km":null,"mass_kg":1.1767917896768201e+27,"mass_msun":0.000591826,"constellation":"Sagittarius","discovered":"2004","featured":false,"url":"https://spacecatalog.org/object/ogle-tr-10-b","radius_km":89363.5591,"radius_kind":null,"data_quality":null,"description":null,"properties":{"host_star":"OGLE-TR-10","host_v_mag":16.006,"eccentricity":0,"uncertainties":{"mass_kg":[2.6572563710950963e+26,2.6572563710950963e+26],"radius_km":[8578.5445,10007.2389],"distance_ly":[364.20251917740154,364.20251917740154],"host_mass_solar":[0.12,0.1],"inclination_deg":[3.9,0],"host_radius_solar":[0.11,0.13],"host_temperature_k":[130,130],"semi_major_axis_km":[224396.80604999998,194477.23190999997]},"host_mass_solar":1.14,"inclination_deg":90,"stars_in_system":1,"discovery_method":"Transit","host_radius_solar":1.17,"planets_in_system":1,"discovery_facility":"OGLE","host_spectral_type":"G2 V","host_temperature_k":5950,"orbital_period_days":3.101278,"transit_midpoint_bjd":2454262.818228,"equilibrium_temperature_k":1702},"designations":[{"catalog":"Exoplanet","designation":"OGLE-TR-10 b"},{"catalog":"Host star","designation":"OGLE-TR-10"}],"source":{"id":"exoplanet_archive","name":"NASA Exoplanet Archive (Planetary Systems Composite Parameters)","url":"https://exoplanetarchive.ipac.caltech.edu/cgi-bin/TblView/nph-tblView?app=ExoTbls&config=PSCompPars","license":"Public domain (NASA)"},"updated_at":"2026-09-02T19:50:56.720Z","attribution":"Data from SpaceCatalog.org. Individual records carry their source and license in `source`; attribution is required for CC-BY and CC-BY-SA rows."}