{"release":{"id":"DR1","released_on":"2026-08-21","doi":null,"url":"https://spacecatalog.org/releases#dr1"},"epoch":{"requested":"now","label":"J2026.685","julian_year":2026.685,"time":"2026-09-08T01:30:24.195Z","years_from_j2000":26.685,"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":"toi-5349-b","name":"TOI-5349 b","class":"gas_giant","category":"exoplanet","object_type":"Gas giant","mag":null,"mag_band":null,"abs_mag":null,"abs_mag_band":null,"distance_ly":614.2698755366059,"distance_method":"NASA Exoplanet Archive sy_dist (TICv8, 2019AJ....158..138S)","ra_deg":52.7125703,"dec_deg":20.8796279,"epoch_ra_deg":53.101943,"epoch_dec_deg":20.971687,"epoch_moved_arcsec":null,"pm_ra_mas_yr":null,"pm_dec_mas_yr":null,"orbits":"TOI-5349","semi_major_axis_km":5520161.42883,"periapsis_km":null,"mass_kg":7.608541863566217e+26,"mass_msun":0.000382645,"constellation":"Taurus","discovered":"2026","featured":false,"url":"https://spacecatalog.org/object/toi-5349-b","radius_km":65056.62,"radius_kind":null,"data_quality":null,"description":null,"properties":{"host_star":"TOI-5349","host_v_mag":15.685,"eccentricity":0.03,"uncertainties":{"mass_kg":[3.2846923272852588e+25,3.463857363319e+25],"radius_km":[1913.43,1913.43],"distance_ly":[6.777529528953928,6.930823026480797],"eccentricity":[0.02,0.03],"host_mass_solar":[0.02,0.02],"inclination_deg":[0.2,0.2],"host_radius_solar":[0.01,0.01],"host_temperature_k":[59,59],"semi_major_axis_km":[59839.14828,59839.14828],"orbital_period_days":[0.000002,0.000002],"argument_of_periastron_deg":[20,60]},"host_mass_solar":0.61,"inclination_deg":87.9,"stars_in_system":1,"discovery_method":"Transit","host_radius_solar":0.58,"planets_in_system":1,"discovery_facility":"Transiting Exoplanet Survey Satellite (TESS)","host_spectral_type":"M1+/-0.5","host_temperature_k":3751,"orbital_period_days":3.317921,"transit_midpoint_bjd":2459521.8184,"equilibrium_temperature_k":719,"argument_of_periastron_deg":-50},"designations":[{"catalog":"Exoplanet","designation":"TOI-5349 b"},{"catalog":"Host star","designation":"TOI-5349"}],"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."}