HIP 41378 c

{{Short description|Extrasolar planet in the constellation Cancer}}

{{Infobox planet

| name = HIP 41378 c

| discovered = June 2016

| discovery_method = Transit

| apsis = astron

| period = 31.70603±0.00006{{cite arXiv|eprint=1911.07355|last1=Santerne|first1=A.|title=An extremely low-density and temperate giant exoplanet|last2=Malavolta|first2=L.|last3=Kosiarek|first3=M. R.|last4=Dai|first4=F.|last5=Dressing|first5=C. D.|last6=Dumusque|first6=X.|last7=Hara|first7=N. C.|last8=Lopez|first8=T. A.|last9=Mortier|first9=A.|last10=Vanderburg|first10=A.|last11=Adibekyan|first11=V.|last12=Armstrong|first12=D. J.|last13=Barrado|first13=D.|last14=Barros|first14=S. C. C.|last15=Bayliss|first15=D.|last16=Berardo|first16=D.|last17=Boisse|first17=I.|last18=Bonomo|first18=A. S.|last19=Bouchy|first19=F.|last20=Brown|first20=D. J. A.|last21=Buchhave|first21=L. A.|last22=Butler|first22=R. P.|last23=Collier Cameron|first23=A.|last24=Cosentino|first24=R.|last25=Crane|first25=J. D.|last26=Crossfield|first26=I. J. M.|last27=Damasso|first27=M.|last28=Deleuil|first28=M. R.|last29=Delgado Mena|first29=E.|last30=Demangeon|first30=O.|display-authors=29|class=astro-ph.EP|year=2019}} d

| semimajor = 0.2061±0.0024 au

| inclination = 88.477±0.0.06

| star = HIP 41378{{cite web

| url=http://exoplanetarchive.ipac.caltech.edu/cgi-bin/DisplayOverview/nph-DisplayOverview?objname=HIP+41378+c&type=CONFIRMED_PLANET

| title=HIP 41378 c CONFIRMED PLANET OVERVIEW PAGE

| work=NASA Exoplanet Archive

| access-date=2016-07-07

}}

| mean_radius = 2.727±0.06 {{Earth radius|link=y}}

| mass = 4.4±1.1 {{Earth mass|link=y}}

}}

HIP 41378 c (also known as EPIC 211311380 c) is an exoplanet orbiting around the F-type star HIP 41378. It has a radius about 2.7 times that of Earth.