Kapteyn c
Kapteyn c is an exoplanet orbiting the nearby red dwarf star Kapteyn's Star. It has a mass of about ≥7.0M⊕, a semimajor axis of ~0.311AU and an orbital eccentricity of 0.23±0.1. It is beyond the host star's habitable zone. It has been described by its discoverers as a cold Super-Earth. 

In 2021, existence of the planet was questioned after the rotational period of the star was refined.
Q44559
exoplanet
Concept
Q5893
red dwarf
Concept
Q523
star
Concept
Q1048535
Kapteyn's Star
CEL
Q11423
mass
Concept
Q681996
M⊕
Concept
Q21143897
semimajor axis
UNK
Q1811
AU
Concept
Q208474
orbital eccentricity
Concept
Q1048535
the host star's
CEL
Q215913
habitable zone
Concept
Q327757
Super-Earth
CEL
Q17185361
Kapteyn c
Concept
2021-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
2021
DATE
+7.0^^http://www.w3.org/2001/XMLSchema#decimal
7.0
NUMBER
+0.311^^http://www.w3.org/2001/XMLSchema#decimal
0.311
NUMBER
+0.23^^http://www.w3.org/2001/XMLSchema#decimal
0.23
NUMBER
+0.1^^http://www.w3.org/2001/XMLSchema#decimal
0.1
NUMBER
instance of
parent astronomical body
measured physical quantity