{"release":{"id":"DR1","released_on":"2026-08-21","doi":null,"url":"https://spacecatalog.org/releases#dr1"},"epoch":{"requested":"now","label":"J2026.683","julian_year":2026.683,"time":"2026-09-07T08:45:19.980Z","years_from_j2000":26.683,"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-7166-b","name":"TOI-7166 b","class":"neptune_like_planet","category":"exoplanet","object_type":"Neptune-like planet","mag":null,"mag_band":null,"abs_mag":null,"abs_mag_band":null,"distance_ly":115.50925963751784,"distance_method":"NASA Exoplanet Archive sy_dist (TICv8, 2019AJ....158..138S)","ra_deg":320.6806363,"dec_deg":8.8893975,"epoch_ra_deg":321.009736,"epoch_dec_deg":9.003934,"epoch_moved_arcsec":null,"pm_ra_mas_yr":null,"pm_dec_mas_yr":null,"orbits":"TOI-7166","semi_major_axis_km":9261604.175036998,"periapsis_km":null,"mass_kg":2.8069188978619484e+25,"mass_msun":0.0000141164,"constellation":"Equuleus","discovered":"2025","featured":false,"url":"https://spacecatalog.org/object/toi-7166-b","radius_km":12819.981,"radius_kind":null,"data_quality":null,"description":null,"properties":{"host_star":"TOI-7166","host_v_mag":15.79,"eccentricity":0,"uncertainties":{"radius_km":[318.90500000000003,382.68600000000004],"distance_ly":[0.3056085259205886,0.3069131514314556],"host_mass_solar":[0.004,0.004],"inclination_deg":[1.05,1.16],"host_radius_solar":[0.004,0.006],"host_temperature_k":[50,51],"semi_major_axis_km":[65823.063108,65823.063108],"orbital_period_days":[9.98e-7,9.98e-7]},"host_mass_solar":0.19,"inclination_deg":89.8,"stars_in_system":1,"discovery_method":"Transit","host_radius_solar":0.222,"planets_in_system":1,"discovery_facility":"Transiting Exoplanet Survey Satellite (TESS)","host_spectral_type":"M4.5+/-0.5","host_temperature_k":3099,"orbital_period_days":12.92063621,"transit_midpoint_bjd":2460847.7427718,"equilibrium_temperature_k":249},"designations":[{"catalog":"Exoplanet","designation":"TOI-7166 b"},{"catalog":"Host star","designation":"TOI-7166"}],"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."}