{"release":{"id":"DR1","released_on":"2026-08-21","doi":null,"url":"https://spacecatalog.org/releases#dr1"},"epoch":{"requested":"now","label":"J2026.686","julian_year":2026.686,"time":"2026-09-08T13:38:05.664Z","years_from_j2000":26.686,"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":"wasp-85-a-b","name":"WASP-85 A b","class":"gas_giant","category":"exoplanet","object_type":"Gas giant","mag":null,"mag_band":null,"abs_mag":null,"abs_mag_band":null,"distance_ly":462.7734996509557,"distance_method":"NASA Exoplanet Archive sy_dist (TICv8, 2019AJ....158..138S)","ra_deg":175.9080328,"dec_deg":6.5637842,"epoch_ra_deg":176.253755,"epoch_dec_deg":6.414695,"epoch_moved_arcsec":null,"pm_ra_mas_yr":null,"pm_dec_mas_yr":null,"orbits":"WASP-85 A","semi_major_axis_km":5834316.9573,"periapsis_km":null,"mass_kg":2.4011396534764696e+27,"mass_msun":0.00120757,"constellation":"Virgo","discovered":"2016","featured":false,"url":"https://spacecatalog.org/object/wasp-85-a-b","radius_km":88650.232396,"radius_kind":null,"data_quality":null,"description":null,"properties":{"host_star":"WASP-85 A","host_v_mag":10.72,"eccentricity":0,"uncertainties":{"mass_kg":[1.2337871737230871e+26,1.2337871737230871e+26],"radius_km":[2144.763687,2144.763687],"distance_ly":[3.9399690428182605,4.008461882138777],"host_mass_solar":[0.08,0.08],"inclination_deg":[0.03,0.11],"host_radius_solar":[0.023,0.023],"host_temperature_k":[27,27],"semi_major_axis_km":[149597.8707,149597.8707],"orbital_period_days":[4.4e-7,4.4e-7]},"host_mass_solar":1.09,"inclination_deg":89.69,"stars_in_system":2,"discovery_method":"Transit","host_radius_solar":0.935,"planets_in_system":1,"discovery_facility":"K2","host_spectral_type":"G5 V","host_temperature_k":6112,"orbital_period_days":2.6556777,"transit_midpoint_bjd":2456847.472856,"equilibrium_temperature_k":1452},"designations":[{"catalog":"Exoplanet","designation":"WASP-85 A b"},{"catalog":"Host star","designation":"WASP-85 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."}