Article · Wikipedia archive · Last revised Jun 24, 2026

Kepler-67

Kepler-67 is a star in the open cluster NGC 6811 in the constellation Cygnus. It has slightly less mass than the Sun and has one confirmed planet, slightly smaller than Neptune, announced in 2013.

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Jun 24, 2026
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Kepler-67
Observation data
Epoch J2000      Equinox J2000
Constellation Cygnus1
Right ascension 19h 36m 36.8094s2
Declination +46° 09′ 59.167″2
Apparent magnitude (V) 16.43
Characteristics
Evolutionary stage main sequence2
Spectral type G9V3
Astrometry
Proper motion (μ) RA: −3.530(41) mas/yr2
Dec.: −8.741(39) mas/yr2
Parallax (π)0.8734±0.0344 mas2
Distance3,700 ± 100 ly
(1,140 ± 50 pc)
Details
Mass0.865±0.0343 M☉
Radius0.778±0.0313 R☉
Surface gravity (log g)4.594±0.0223 cgs
Temperature5,331±633 K
Metallicity [Fe/H]0.012±0.0033 dex
Rotation10.464±0.014 days4
Age1±0.173 Gyr
Other designations
KOI-21155
Database references
SIMBADdata

Kepler-67 is a star in the open cluster NGC 68116 in the constellation Cygnus. It has slightly less mass than the Sun and has one confirmed planet, slightly smaller than Neptune, announced in 2013.3

Planetary system

The Kepler-67 planetary system
Companion
(in order from star) 		Mass Semimajor axis
(AU) 		Orbital period
(days) 		Eccentricity Inclination
(°) 		Radius
b 0.31±0.06 MJ 0.1171±0.0015 15.7259±0.00011 — — 0.26±0.014 RJ
References

References

  1. Roman, Nancy G. (1987). "Identification of a constellation from a position". Publications of the Astronomical Society of the Pacific. 99 (617): 695. Bibcode:1987PASP...99..695R. doi:10.1086/132034. Constellation record for this object at VizieR.
  2. Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A...674A...1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
  3. Meibom, Søren; Torres, Guillermo; Fressin, Francois; Latham, David W.; Rowe, Jason F.; Ciardi, David R.; Bryson, Steven T.; Rogers, Leslie A.; Henze, Christopher E.; Janes, Kenneth; Barnes, Sydney A.; Marcy, Geoffrey W.; Isaacson, Howard; Fischer, Debra A.; Howell, Steve B.; Horch, Elliott P.; Jenkins, Jon M.; Schuler, Simon C.; Crepp, Justin (2013). "The same frequency of planets inside and outside open clusters of stars". Nature. 499 (7456): 55–58. arXiv:1307.5842. Bibcode:2013Natur.499...55M. doi:10.1038/nature12279. PMID 23803764. S2CID 4356893.
  4. McQuillan, A.; Mazeh, T.; Aigrain, S. (2013). "Stellar Rotation Periods of The Kepler objects of Interest: A Dearth of Close-In Planets Around Fast Rotators". The Astrophysical Journal Letters. 775 (1). L11. arXiv:1308.1845. Bibcode:2013ApJ...775L..11M. doi:10.1088/2041-8205/775/1/L11. S2CID 118557681.
  5. "Kepler-67". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 15 January 2018.
  6. Maliuk, A.; Budaj, J. (2020). "Spatial distribution of exoplanet candidates based on Kepler and Gaia data". Astronomy & Astrophysics. 635: A191. arXiv:2002.10823. Bibcode:2020A&A...635A.191M. doi:10.1051/0004-6361/201936692. S2CID 211296456.
External links