{"release":{"id":"DR1","released_on":"2026-08-21","doi":null,"url":"https://spacecatalog.org/releases#dr1"},"epoch":{"requested":"now","label":"J2026.679","julian_year":2026.679,"time":"2026-09-06T02:04:13.102Z","years_from_j2000":26.679,"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":"k2-295-b","name":"K2-295 b","class":"gas_giant","category":"exoplanet","object_type":"Gas giant","mag":null,"mag_band":null,"abs_mag":null,"abs_mag_band":null,"distance_ly":759.2953088883557,"distance_method":"NASA Exoplanet Archive sy_dist (TICv8, 2019AJ....158..138S)","ra_deg":19.6101417,"dec_deg":6.8167277,"epoch_ra_deg":19.96018,"epoch_dec_deg":6.958223,"epoch_moved_arcsec":null,"pm_ra_mas_yr":null,"pm_dec_mas_yr":null,"orbits":"K2-295","semi_major_axis_km":6746863.96857,"periapsis_km":null,"mass_kg":6.358749279957449e+26,"mass_msun":0.000319791,"constellation":"Pisces","discovered":"2018","featured":false,"url":"https://spacecatalog.org/object/k2-295-b","radius_km":64128.434241300005,"radius_kind":null,"data_quality":null,"description":null,"properties":{"host_star":"K2-295","host_v_mag":13.8941,"eccentricity":0,"uncertainties":{"mass_kg":[1.176843150320483e+26,1.176843150320483e+26],"radius_km":[357.4606145,786.4133519000001],"distance_ly":[5.893645745341553,5.984969531102242],"host_mass_solar":[0.04,0.04],"inclination_deg":[0.62,0.46],"host_radius_solar":[0.02,0.02],"host_temperature_k":[70,70],"semi_major_axis_km":[209437.01898,89758.72241999999],"orbital_period_days":[0.000015,0.000015]},"host_mass_solar":0.74,"inclination_deg":89.3,"stars_in_system":1,"discovery_method":"Transit","host_radius_solar":0.7,"planets_in_system":1,"discovery_facility":"K2","host_spectral_type":"K5 V","host_temperature_k":4444,"orbital_period_days":4.024867,"transit_midpoint_bjd":2457395.4140498,"equilibrium_temperature_k":852},"designations":[{"catalog":"Exoplanet","designation":"K2-295 b"},{"catalog":"Host star","designation":"K2-295"}],"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."}