Kapteyn c
| Exoplanet | List of exoplanets | |
|---|---|---|
| [[Image:|300px]] |
||
| Parent star | ||
| Star | Kapteyn's star | |
| Right ascension | (α) | 05h 11m 40.58s |
| Declination | (δ) | +45° 01′ 06.3″ |
| Apparent magnitude | (mV) | 8.8 |
| Distance | 12.8 ly (3.92±0.01 pc) |
|
| Mass | (m) | 0.281±0.014 M☉ |
| Radius | (r) | 0.291±0.025 R☉ |
| Temperature | (T) | 3550±50 K |
| Metallicity | [Fe/H] | -0.89 |
| Age | 8.0±7.5 Gyr | |
| Physical characteristics | ||
| Mass | (m) | 7 M⊕ |
| Orbital elements | ||
| Semi-major axis | (a) | 0.311 AU |
| Discovery information | ||
| Discovery date | 2014 | |
| Discoverer(s) | ||
| Discovery method | Radial Velocity | |
| Discovery status | Published refereed article | |
| Other designations | ||
|
Kapteyn c; HIP 24186 c; 2MASS J05114046-4501051 c; TYC 8078-01749-1 c; IRAS 05100-4502 c; WISE J051146.81-450204.5 c; CPD-44 612 c; SAO 217223 c; GJ 191 c; VZ Pic c; Kapteyn's star c; LHS 29 c; HD 33793 c; CD-45 1841 c
|
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| Database references | ||
| Extrasolar Planets Encyclopaedia |
data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
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.
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