{"release":{"id":"DR1","released_on":"2026-08-21","doi":null,"url":"https://spacecatalog.org/releases#dr1"},"epoch":{"requested":"now","label":"J2026.682","julian_year":2026.682,"time":"2026-09-07T01:43:02.361Z","years_from_j2000":26.682,"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-2345-b","name":"TOI-2345 b","class":"super_earth","category":"exoplanet","object_type":"Super-Earth","mag":null,"mag_band":null,"abs_mag":null,"abs_mag_band":null,"distance_ly":266.3200548172074,"distance_method":"NASA Exoplanet Archive sy_dist (TICv8, 2019AJ....158..138S)","ra_deg":43.884794,"dec_deg":-34.9779745,"epoch_ra_deg":44.157609,"epoch_dec_deg":-34.868825,"epoch_moved_arcsec":null,"pm_ra_mas_yr":null,"pm_dec_mas_yr":null,"orbits":"TOI-2345","semi_major_axis_km":2550643.6954349997,"periapsis_km":null,"mass_kg":2.0842865858591917e+25,"mass_msun":0.0000104822,"constellation":"Fornax","discovered":"2025","featured":false,"url":"https://spacecatalog.org/object/toi-2345-b","radius_km":9592.662400000001,"radius_kind":null,"data_quality":null,"description":null,"properties":{"host_star":"TOI-2345","host_v_mag":11.483,"uncertainties":{"mass_kg":[5.076342687622672e+24,5.076342687622672e+24],"radius_km":[280.6364,299.77070000000003],"distance_ly":[0.5375057104771932,0.5397888051212104],"host_mass_solar":[0.033,0.033],"inclination_deg":[1.8,1.3],"host_radius_solar":[0.007,0.007],"host_temperature_k":[60,60],"semi_major_axis_km":[34407.510260999996,32911.531554],"orbital_period_days":[0.0000026,0.0000025]},"host_mass_solar":0.727,"inclination_deg":86.9,"stars_in_system":1,"discovery_method":"Transit","host_radius_solar":0.729,"planets_in_system":2,"discovery_facility":"Transiting Exoplanet Survey Satellite (TESS)","host_spectral_type":"K","host_temperature_k":4687,"orbital_period_days":1.0528573,"transit_midpoint_bjd":2459116.7208,"equilibrium_temperature_k":1478},"designations":[{"catalog":"Exoplanet","designation":"TOI-2345 b"}],"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."}