{"id":9647,"slug":"hd-4917-b","name":"HD 4917 b","domain":"exoplanet","class":"exoplanet","otype":null,"otype_label":"Exoplanet","ra":12.7762624,"dec":-12.9276648,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":204.277,"vmag":8.03,"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":"HD 4917 b","host_object_id":1883765,"depth":0,"deep_at":null,"views":1,"first_seen":"2026-08-14T16:25:51.971135+00:00","updated_at":"2026-10-11T03:23:13.056269+00:00","identifiers":[],"measurements":[{"parameter":"eccentricity","value":0.066,"value_text":null,"unit":null,"err_plus":0.041,"err_minus":0.041,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Luhn et al. 2019","ref_year":2019},{"parameter":"mass","value":513.29545,"value_text":null,"unit":"M_earth","err_plus":29.24036,"err_minus":29.24036,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Luhn et al. 2019","ref_year":2019},{"parameter":"orbital_period","value":400.5,"value_text":null,"unit":"d","err_plus":1.7,"err_minus":1.7,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Luhn et al. 2019","ref_year":2019},{"parameter":"semi_major_axis","value":1.167,"value_text":null,"unit":"au","err_plus":0.065,"err_minus":0.065,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Luhn et al. 2019","ref_year":2019}],"orbit":null,"exoplanet":{"object_id":9647,"pl_name":"HD 4917 b","hostname":"HD 4917","sy_pnum":1,"disc_method":"Radial Velocity","disc_year":2018,"disc_facility":"W. M. Keck Observatory","orbper_d":400.5,"orbsmax_au":1.167,"rade":13.5,"radj":1.21,"masse":513.29545,"massj":1.615,"dens_gcm3":1.15,"eccen":0.066,"insol":20.9781,"eqt_k":479.78,"st_teff":4802.0,"st_rad":5.01,"st_mass":1.32,"st_spectype":"K0 III/IV","sy_dist_pc":204.277,"updated_at":"2026-10-11T03:23:13.056269+00:00"},"sources":[]}