{"id":2275,"slug":"k2-157-d","name":"K2-157 d","domain":"exoplanet","class":"exoplanet","otype":null,"otype_label":"Exoplanet","ra":183.7514959,"dec":-5.7820178,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":298.373,"vmag":12.942,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":0,"simbad_oid":null,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":"K2-157 d","host_object_id":3486283,"depth":0,"deep_at":null,"views":1,"first_seen":"2026-08-14T16:25:51.971135+00:00","updated_at":"2026-10-18T03:30:41.791363+00:00","identifiers":[],"measurements":[{"parameter":"eccentricity","value":0.5,"value_text":null,"unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Castro-González et al. 2025","ref_year":2025},{"parameter":"equilibrium_temperature","value":429.1,"value_text":null,"unit":"K","err_plus":7.5,"err_minus":7.5,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Castro-González et al. 2025","ref_year":2025},{"parameter":"mass","value":23.3,"value_text":null,"unit":"M_earth","err_plus":2.5,"err_minus":2.5,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Castro-González et al. 2025","ref_year":2025},{"parameter":"orbital_period","value":66.5,"value_text":null,"unit":"d","err_plus":0.71,"err_minus":0.59,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Castro-González et al. 2025","ref_year":2025},{"parameter":"semi_major_axis","value":0.309,"value_text":null,"unit":"au","err_plus":0.0038,"err_minus":0.0038,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Castro-González et al. 2025","ref_year":2025}],"orbit":null,"exoplanet":{"object_id":2275,"pl_name":"K2-157 d","hostname":"K2-157","sy_pnum":3,"disc_method":"Radial Velocity","disc_year":2025,"disc_facility":"Paranal Observatory","orbper_d":66.5,"orbsmax_au":0.309,"rade":5.16,"radj":0.461,"masse":23.3,"massj":0.0732,"dens_gcm3":0.932,"eccen":0.5,"insol":6.46,"eqt_k":429.1,"st_teff":5334.0,"st_rad":0.86,"st_mass":0.89,"st_spectype":"G9 V","sy_dist_pc":298.373,"updated_at":"2026-10-18T03:30:41.791363+00:00"},"sources":[]}