{"release":{"id":"DR1","released_on":"2026-08-21","doi":null,"url":"https://spacecatalog.org/releases#dr1"},"epoch":{"requested":"now","label":"J2026.677","julian_year":2026.677,"time":"2026-09-05T06:27:56.158Z","years_from_j2000":26.677,"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-2007-blg-349l-ab-c","name":"OGLE-2007-BLG-349L AB c","class":"gas_giant","category":"exoplanet","object_type":"Gas giant","mag":null,"mag_band":null,"abs_mag":null,"abs_mag_band":null,"distance_ly":9001.916024982118,"distance_method":"NASA Exoplanet Archive sy_dist (Bennett+ 2016, 2016AJ....152..125B)","ra_deg":271.351807,"dec_deg":-26.4219437,"epoch_ra_deg":271.770245,"epoch_dec_deg":-26.420158,"epoch_moved_arcsec":null,"pm_ra_mas_yr":null,"pm_dec_mas_yr":null,"orbits":"OGLE-2007-BLG-349L A","semi_major_axis_km":387458485.113,"periapsis_km":null,"mass_kg":4.7777342942331034e+26,"mass_msun":0.000240279,"constellation":"Sagittarius","discovered":"2016","featured":false,"url":"https://spacecatalog.org/object/ogle-2007-blg-349l-ab-c","radius_km":68245.67,"radius_kind":null,"data_quality":null,"description":null,"properties":{"host_star":"OGLE-2007-BLG-349L A","host_v_mag":24.73,"uncertainties":{"mass_kg":[7.763818228128793e+25,7.763818228128793e+25],"distance_ly":[1239.394235323625,1239.394235323625],"host_mass_solar":[0.07,0.07],"semi_major_axis_km":[50863276.038,64327084.40099999]},"host_mass_solar":0.41,"stars_in_system":2,"discovery_method":"Microlensing","planets_in_system":1,"discovery_facility":"OGLE","host_spectral_type":"M","orbital_period_days":2557},"designations":[{"catalog":"Exoplanet","designation":"OGLE-2007-BLG-349L AB c"},{"catalog":"Host star","designation":"OGLE-2007-BLG-349L A"}],"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."}