{"id":8473,"slug":"gj-422-b","name":"GJ 422 b","domain":"exoplanet","class":"exoplanet","otype":null,"otype_label":"Exoplanet","ra":168.9810458,"dec":-57.5425629,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":12.6631,"vmag":11.66,"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":"GJ 422 b","host_object_id":8472,"depth":1,"deep_at":"2026-09-17T23:16:23.720641+00:00","views":4,"first_seen":"2026-08-14T16:25:51.971135+00:00","updated_at":"2026-09-13T03:31:17.289698+00:00","identifiers":[],"measurements":[{"parameter":"eccentricity","value":0.11,"value_text":null,"unit":null,"err_plus":0.04,"err_minus":0.04,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Feng et al. 2020","ref_year":2020},{"parameter":"eccentricity","value":0.05,"value_text":null,"unit":null,"err_plus":0.21,"err_minus":0.05,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Tuomi et al. 2014","ref_year":2014},{"parameter":"mass","value":11.07,"value_text":null,"unit":"M_earth","err_plus":1.12,"err_minus":1.12,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Feng et al. 2020","ref_year":2020},{"parameter":"mass","value":9.9,"value_text":null,"unit":"M_earth","err_plus":5.6,"err_minus":4.0,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Tuomi et al. 2014","ref_year":2014},{"parameter":"orbital_period","value":20.129,"value_text":null,"unit":"d","err_plus":0.005,"err_minus":0.005,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Feng et al. 2020","ref_year":2020},{"parameter":"orbital_period","value":26.161,"value_text":null,"unit":"d","err_plus":0.082,"err_minus":0.098,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Tuomi et al. 2014","ref_year":2014},{"parameter":"sed_flux","value":0.193,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/MNRAS/529/1802/targets","source":"vizier","reference":"J/MNRAS/529/1802/targets","ref_year":null},{"parameter":"sed_flux","value":0.194,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/AJ/161/234/table4","source":"vizier","reference":"J/AJ/161/234/table4","ref_year":null},{"parameter":"sed_flux","value":0.194,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"Gaia:G","method":"J/MNRAS/486/251/tablea1","source":"vizier","reference":"J/MNRAS/486/251/tablea1","ref_year":null},{"parameter":"sed_flux","value":0.229,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"I/337/gaia","source":"vizier","reference":"I/337/gaia","ref_year":null},{"parameter":"sed_flux","value":0.0673,"value_text":null,"unit":"Jy","err_plus":0.012,"err_minus":0.012,"band":"HIP:VT","method":"I/337/tgasptyc","source":"vizier","reference":"I/337/tgasptyc","ref_year":null},{"parameter":"sed_flux","value":0.0352,"value_text":null,"unit":"Jy","err_plus":0.0085,"err_minus":0.0085,"band":"HIP:BT","method":"I/337/tgasptyc","source":"vizier","reference":"I/337/tgasptyc","ref_year":null},{"parameter":"sed_flux","value":0.478,"value_text":null,"unit":"Jy","err_plus":0.001,"err_minus":0.001,"band":"GAIA/GAIA2:Grp","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":0.212,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"GAIA/GAIA2:G","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":0.064,"value_text":null,"unit":"Jy","err_plus":0.0001,"err_minus":0.0001,"band":"GAIA/GAIA2:Gbp","method":"I/345/gaia2","source":"vizier","reference":"I/345/gaia2","ref_year":null},{"parameter":"sed_flux","value":1.26,"value_text":null,"unit":"Jy","err_plus":0.06,"err_minus":0.06,"band":"2MASS:H","method":"I/345/rvstdcat","source":"vizier","reference":"I/345/rvstdcat","ref_year":null},{"parameter":"sed_flux","value":1.18,"value_text":null,"unit":"Jy","err_plus":0.02,"err_minus":0.02,"band":"2MASS:J","method":"I/345/rvstdcat","source":"vizier","reference":"I/345/rvstdcat","ref_year":null},{"parameter":"sed_flux","value":0.473,"value_text":null,"unit":"Jy","err_plus":0.002,"err_minus":0.002,"band":"GAIA/GAIA3:Grp","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":0.206,"value_text":null,"unit":"Jy","err_plus":0.001,"err_minus":0.001,"band":"GAIA/GAIA3:G","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":0.0657,"value_text":null,"unit":"Jy","err_plus":0.0002,"err_minus":0.0002,"band":"GAIA/GAIA3:Gbp","method":"I/350/gaiaedr3","source":"vizier","reference":"I/350/gaiaedr3","ref_year":null},{"parameter":"sed_flux","value":0.707,"value_text":null,"unit":"Jy","err_plus":0.012,"err_minus":0.012,"band":"SDSS:z","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.497,"value_text":null,"unit":"Jy","err_plus":0.006,"err_minus":0.006,"band":"SDSS:i","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.0546,"value_text":null,"unit":"Jy","err_plus":0.0001,"err_minus":0.0001,"band":"Gaia:G","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.14,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"SDSS:r","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.0621,"value_text":null,"unit":"Jy","err_plus":0.0006,"err_minus":0.0006,"band":"SDSS:g","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.473,"value_text":null,"unit":"Jy","err_plus":0.002,"err_minus":0.002,"band":"GAIA/GAIA3:Grp","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":0.206,"value_text":null,"unit":"Jy","err_plus":0.001,"err_minus":0.001,"band":"GAIA/GAIA3:G","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":0.0657,"value_text":null,"unit":"Jy","err_plus":0.0002,"err_minus":0.0002,"band":"GAIA/GAIA3:Gbp","method":"I/355/gaiadr3","source":"vizier","reference":"I/355/gaiadr3","ref_year":null},{"parameter":"sed_flux","value":0.578,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Cousins:I","method":"I/360/syntphot","source":"vizier","reference":"I/360/syntphot","ref_year":null},{"parameter":"sed_flux","value":0.807,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:i","method":"I/360/syntphot","source":"vizier","reference":"I/360/syntphot","ref_year":null},{"parameter":"sed_flux","value":0.192,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Cousins:R","method":"I/360/syntphot","source":"vizier","reference":"I/360/syntphot","ref_year":null},{"parameter":"sed_flux","value":0.142,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:r","method":"I/360/syntphot","source":"vizier","reference":"I/360/syntphot","ref_year":null},{"parameter":"sed_flux","value":0.0833,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Cousins:V","method":"I/360/syntphot","source":"vizier","reference":"I/360/syntphot","ref_year":null},{"parameter":"sed_flux","value":0.0423,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"SDSS:g","method":"I/360/syntphot","source":"vizier","reference":"I/360/syntphot","ref_year":null},{"parameter":"sed_flux","value":0.0256,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Cousins:B","method":"I/360/syntphot","source":"vizier","reference":"I/360/syntphot","ref_year":null},{"parameter":"sed_flux","value":0.396,"value_text":null,"unit":"Jy","err_plus":0.041,"err_minus":0.041,"band":"SkyMapper/SkyMapper:z","method":"II/358/smss","source":"vizier","reference":"II/358/smss","ref_year":null},{"parameter":"sed_flux","value":0.341,"value_text":null,"unit":"Jy","err_plus":0.003,"err_minus":0.003,"band":"SkyMapper/SkyMapper:i","method":"II/358/smss","source":"vizier","reference":"II/358/smss","ref_year":null},{"parameter":"sed_flux","value":0.124,"value_text":null,"unit":"Jy","err_plus":0.002,"err_minus":0.002,"band":"SkyMapper/SkyMapper:r","method":"II/358/smss","source":"vizier","reference":"II/358/smss","ref_year":null},{"parameter":"sed_flux","value":0.065,"value_text":null,"unit":"Jy","err_plus":0.0015,"err_minus":0.0015,"band":"SkyMapper/SkyMapper:g","method":"II/358/smss","source":"vizier","reference":"II/358/smss","ref_year":null},{"parameter":"sed_flux","value":0.53,"value_text":null,"unit":"Jy","err_plus":0.019,"err_minus":0.019,"band":"SkyMapper/SkyMapper:z","method":"II/379/smssdr4","source":"vizier","reference":"II/379/smssdr4","ref_year":null},{"parameter":"sed_flux","value":0.354,"value_text":null,"unit":"Jy","err_plus":0.007,"err_minus":0.007,"band":"SkyMapper/SkyMapper:i","method":"II/379/smssdr4","source":"vizier","reference":"II/379/smssdr4","ref_year":null},{"parameter":"sed_flux","value":0.119,"value_text":null,"unit":"Jy","err_plus":0.003,"err_minus":0.003,"band":"SkyMapper/SkyMapper:r","method":"II/379/smssdr4","source":"vizier","reference":"II/379/smssdr4","ref_year":null},{"parameter":"sed_flux","value":0.0624,"value_text":null,"unit":"Jy","err_plus":0.0013,"err_minus":0.0013,"band":"SkyMapper/SkyMapper:g","method":"II/379/smssdr4","source":"vizier","reference":"II/379/smssdr4","ref_year":null},{"parameter":"sed_flux","value":0.00552,"value_text":null,"unit":"Jy","err_plus":0.00013,"err_minus":0.00013,"band":"SkyMapper/SkyMapper:v","method":"II/379/smssdr4","source":"vizier","reference":"II/379/smssdr4","ref_year":null},{"parameter":"sed_flux","value":0.00174,"value_text":null,"unit":"Jy","err_plus":6e-05,"err_minus":6e-05,"band":"SkyMapper/SkyMapper:u","method":"II/379/smssdr4","source":"vizier","reference":"II/379/smssdr4","ref_year":null},{"parameter":"sed_flux","value":4.1e-05,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"VI/137/gum_mw","source":"vizier","reference":"VI/137/gum_mw","ref_year":null},{"parameter":"sed_flux","value":0.55,"value_text":null,"unit":"Jy","err_plus":0.001,"err_minus":0.001,"band":"Gaia:G","method":"J/ApJ/867/105/refcat2","source":"vizier","reference":"J/ApJ/867/105/refcat2","ref_year":null},{"parameter":"sed_flux","value":1.26,"value_text":null,"unit":"Jy","err_plus":0.06,"err_minus":0.06,"band":"2MASS:H","method":"J/A+A/616/A7/rvstdcat","source":"vizier","reference":"J/A+A/616/A7/rvstdcat","ref_year":null},{"parameter":"sed_flux","value":1.18,"value_text":null,"unit":"Jy","err_plus":0.02,"err_minus":0.02,"band":"2MASS:J","method":"J/A+A/616/A7/rvstdcat","source":"vizier","reference":"J/A+A/616/A7/rvstdcat","ref_year":null},{"parameter":"sed_flux","value":1.04,"value_text":null,"unit":"Jy","err_plus":0.03,"err_minus":0.03,"band":"2MASS:Ks","method":"J/A+A/649/A6/table1c","source":"vizier","reference":"J/A+A/649/A6/table1c","ref_year":null},{"parameter":"sed_flux","value":1.26,"value_text":null,"unit":"Jy","err_plus":0.06,"err_minus":0.06,"band":"2MASS:H","method":"J/A+A/649/A6/table1c","source":"vizier","reference":"J/A+A/649/A6/table1c","ref_year":null},{"parameter":"sed_flux","value":1.18,"value_text":null,"unit":"Jy","err_plus":0.02,"err_minus":0.02,"band":"2MASS:J","method":"J/A+A/649/A6/table1c","source":"vizier","reference":"J/A+A/649/A6/table1c","ref_year":null},{"parameter":"sed_flux","value":0.558,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/A+A/649/A6/table1c","source":"vizier","reference":"J/A+A/649/A6/table1c","ref_year":null},{"parameter":"sed_flux","value":0.0851,"value_text":null,"unit":"Jy","err_plus":0.018,"err_minus":0.018,"band":"Johnson:V","method":"J/A+A/653/A98/aspic1_1","source":"vizier","reference":"J/A+A/653/A98/aspic1_1","ref_year":null},{"parameter":"sed_flux","value":0.192,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/A+A/657/A7/tablea2","source":"vizier","reference":"J/A+A/657/A7/tablea2","ref_year":null},{"parameter":"sed_flux","value":0.0694,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:V","method":"J/A+A/657/A7/tablea2","source":"vizier","reference":"J/A+A/657/A7/tablea2","ref_year":null},{"parameter":"sed_flux","value":0.0853,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"HIP:Hp","method":"J/A+A/657/A7/tablea2","source":"vizier","reference":"J/A+A/657/A7/tablea2","ref_year":null},{"parameter":"sed_flux","value":0.193,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/A+A/657/A7/tablea3","source":"vizier","reference":"J/A+A/657/A7/tablea3","ref_year":null},{"parameter":"sed_flux","value":0.0694,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:V","method":"J/A+A/657/A7/tablea3","source":"vizier","reference":"J/A+A/657/A7/tablea3","ref_year":null},{"parameter":"sed_flux","value":0.0853,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"HIP:Hp","method":"J/A+A/657/A7/tablea3","source":"vizier","reference":"J/A+A/657/A7/tablea3","ref_year":null},{"parameter":"sed_flux","value":0.0222,"value_text":null,"unit":"Jy","err_plus":0.0009,"err_minus":0.0009,"band":"WISE:W4","method":"J/A+A/670/A19/cns5","source":"vizier","reference":"J/A+A/670/A19/cns5","ref_year":null},{"parameter":"sed_flux","value":0.0623,"value_text":null,"unit":"Jy","err_plus":0.0009,"err_minus":0.0009,"band":"WISE:W3","method":"J/A+A/670/A19/cns5","source":"vizier","reference":"J/A+A/670/A19/cns5","ref_year":null},{"parameter":"sed_flux","value":0.363,"value_text":null,"unit":"Jy","err_plus":0.008,"err_minus":0.008,"band":"WISE:W2","method":"J/A+A/670/A19/cns5","source":"vizier","reference":"J/A+A/670/A19/cns5","ref_year":null},{"parameter":"sed_flux","value":0.52,"value_text":null,"unit":"Jy","err_plus":0.03,"err_minus":0.03,"band":"WISE:W1","method":"J/A+A/670/A19/cns5","source":"vizier","reference":"J/A+A/670/A19/cns5","ref_year":null},{"parameter":"sed_flux","value":1.04,"value_text":null,"unit":"Jy","err_plus":0.03,"err_minus":0.03,"band":"2MASS:Ks","method":"J/A+A/670/A19/cns5","source":"vizier","reference":"J/A+A/670/A19/cns5","ref_year":null},{"parameter":"sed_flux","value":1.26,"value_text":null,"unit":"Jy","err_plus":0.06,"err_minus":0.06,"band":"2MASS:H","method":"J/A+A/670/A19/cns5","source":"vizier","reference":"J/A+A/670/A19/cns5","ref_year":null},{"parameter":"sed_flux","value":1.18,"value_text":null,"unit":"Jy","err_plus":0.02,"err_minus":0.02,"band":"2MASS:J","method":"J/A+A/670/A19/cns5","source":"vizier","reference":"J/A+A/670/A19/cns5","ref_year":null},{"parameter":"sed_flux","value":0.558,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"Gaia:G","method":"J/A+A/670/A19/cns5","source":"vizier","reference":"J/A+A/670/A19/cns5","ref_year":null},{"parameter":"sed_flux","value":0.194,"value_text":null,"unit":"Jy","err_plus":0.0,"err_minus":0.0,"band":"Gaia:G","method":"J/A+A/692/A150/allskytg","source":"vizier","reference":"J/A+A/692/A150/allskytg","ref_year":null},{"parameter":"sed_flux","value":1.04,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:Ks","method":"J/AJ/155/180/table1","source":"vizier","reference":"J/AJ/155/180/table1","ref_year":null},{"parameter":"sed_flux","value":1.26,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:H","method":"J/AJ/155/180/table1","source":"vizier","reference":"J/AJ/155/180/table1","ref_year":null},{"parameter":"sed_flux","value":1.19,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"2MASS:J","method":"J/AJ/155/180/table1","source":"vizier","reference":"J/AJ/155/180/table1","ref_year":null},{"parameter":"sed_flux","value":0.0815,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"HIP:VT","method":"J/AJ/155/180/table1","source":"vizier","reference":"J/AJ/155/180/table1","ref_year":null},{"parameter":"sed_flux","value":0.0217,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"HIP:BT","method":"J/AJ/155/180/table1","source":"vizier","reference":"J/AJ/155/180/table1","ref_year":null},{"parameter":"sed_flux","value":0.194,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/AJ/161/234/table2","source":"vizier","reference":"J/AJ/161/234/table2","ref_year":null},{"parameter":"sed_flux","value":0.000535,"value_text":null,"unit":"Jy","err_plus":8.8e-05,"err_minus":8.8e-05,"band":"2MASS:Ks","method":"J/AJ/161/234/table3","source":"vizier","reference":"J/AJ/161/234/table3","ref_year":null},{"parameter":"sed_flux","value":0.000821,"value_text":null,"unit":"Jy","err_plus":6.4e-05,"err_minus":6.4e-05,"band":"2MASS:H","method":"J/AJ/161/234/table3","source":"vizier","reference":"J/AJ/161/234/table3","ref_year":null},{"parameter":"sed_flux","value":0.000713,"value_text":null,"unit":"Jy","err_plus":4.5e-05,"err_minus":4.5e-05,"band":"2MASS:J","method":"J/AJ/161/234/table3","source":"vizier","reference":"J/AJ/161/234/table3","ref_year":null},{"parameter":"sed_flux","value":0.194,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Gaia:G","method":"J/AJ/161/234/table3","source":"vizier","reference":"J/AJ/161/234/table3","ref_year":null},{"parameter":"semi_major_axis","value":0.111,"value_text":null,"unit":"au","err_plus":0.004,"err_minus":0.004,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Feng et al. 2020","ref_year":2020},{"parameter":"semi_major_axis","value":0.119,"value_text":null,"unit":"au","err_plus":0.014,"err_minus":0.011,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Tuomi et al. 2014","ref_year":2014}],"orbit":null,"exoplanet":{"object_id":8473,"pl_name":"GJ 422 b","hostname":"GJ 422","sy_pnum":1,"disc_method":"Radial Velocity","disc_year":2014,"disc_facility":"Multiple Observatories","orbper_d":20.129,"orbsmax_au":0.111,"rade":3.33,"radj":0.297,"masse":11.07,"massj":0.03482994,"dens_gcm3":1.65,"eccen":0.11,"insol":0.8928,"eqt_k":292.68,"st_teff":3323.0,"st_rad":0.370328,"st_mass":0.35,"st_spectype":"M3.5 V","sy_dist_pc":12.6631,"updated_at":"2026-09-13T03:31:17.289698+00:00"},"sources":[{"source":"vizier","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-c=168.981046%20-57.542563&-c.rs=5","fetched_at":"2026-09-17T23:16:23.717372+00:00"}]}