Temperature
5518 K
5510 to 5698
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Stellar HostProfile
Kepler-22
G5 V • 194.6 pc
Records
15
literature rows
Planets
1
system count
References
16
distinct source labels
TIC: TIC 158984573
Approximate color
from effective temperature
Canonical Summary
Adopted host values from one source row
Values come from the row with the most populated summary measurements. Missing values stay missing. Ranges and counts describe all source rows.
Stellar source: Borucki et al. 2012 • System source: TICv8
Mass
0.97 Msun
0.80 to 0.99
Radius
0.98 Rsun
0.85 to 1.14
Luminosity
-0.10 log(Lsun)
-0.19 to -0.10
Distance
194.6 pc
single adopted value
Spectral Type
G5 V
Consistent across records
Planets
1
Stable across source rows
Scale Comparison
Radius against the Sun
Current adopted radius: 0.98 R☉ (circles scaled linearly by radius)
Sun
1.0 R☉ baseline
Kepler-22
0.98 R☉
System Layout
Known planets
1 planets linked to this host
Kepler-22 b
Transit
◌
Discovery
2011
Period
289.9 days
Radius
2.10 R⊕
Mass
9.10 M⊕
Eq. Temp
279 K
Kepler-22 and Its Super-Earth
Kepler-22 is a G5 V star located 635 light-years away. It is a Sun-like star with a reported mass of 0.97 solar masses and a reported radius estimate of 0.979 solar radii, smaller than the Sun's. Its reported temperature of 5520 K is cooler than the Sun's. One known planet orbits this star.
That planet is Kepler-22 b, a Super-Earth discovered in 2011 by the transit method, in which a planet passes in front of its star from our viewpoint and causes a small dip in observed brightness. Repeated dips help establish orbital periods. Kepler-22 b has a reported upper limit of 9.1 Earth masses. Its reported radius estimate is 2.1 Earth radii, larger than Earth's. Size classes compare radius with Earth's, and a Super-Earth reaches 2.5 times Earth's radius. Kepler-22 b completes one orbit in 290 days.
Provenance
Underlying measurements and references
Evidence Summary
Rows
15
Stellar refs
15
System refs
1
Distancestable
Parallaxstable
Temperaturedisputed
Massdisputed
Radiusdisputed
Agedisputed
Luminositydisputed
Surface Gravitydisputed
Metallicitydisputed
Spectral Typestable
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| 5596 | 0.86 | 0.87 | 7 | — | — | 194.6 | Bonomo et al. 2023 | TICv8 |
| 5510 | 0.83 | 0.85 | 9.90 | — | — | 194.6 | Q1-Q8 KOI Table | TICv8 |
| 5606 | — | 1.14 | — | — | — | 194.6 | Latham et al. 2005 | TICv8 |
| — | — | — | — | — | — | 194.6 | Q1-Q17 DR25 Supplemental KOI Table | TICv8 |
| 5594 | 0.99 | 0.86 | — | -0.19 | — | 194.6 | TICv8 | TICv8 |
| 5522.5 | — | 0.87 | — | -0.19 | — | 194.6 | Gaia DR2 | TICv8 |
| 5516 | 0.80 | 0.89 | — | — | — | 194.6 | Q1-Q17 DR25 KOI Table | TICv8 |
| 5518 | 0.97 | 0.98 | — | -0.10 | G5 V | 194.6 | Borucki et al. 2012 | TICv8 |
| 5528 | — | 0.85 | — | — | — | 194.6 | Berger et al. 2018 | TICv8 |
| 5698 | 0.90 | 0.94 | 7.08 | — | — | 194.6 | Morton et al. 2016 | TICv8 |
| 5642 | 0.97 | 0.98 | — | — | — | 194.6 | Q1-Q17 DR24 KOI Table | TICv8 |
| 5510 | — | 0.85 | — | — | — | 194.6 | Q1-Q6 KOI Table | TICv8 |
| 5642 | 0.97 | 0.98 | — | — | — | 194.6 | Q1-Q16 KOI Table | TICv8 |
| 5642 | 0.97 | 0.98 | — | — | — | 194.6 | Q1-Q12 KOI Table | TICv8 |
| 5510 | — | 0.85 | — | — | — | 194.6 | Batalha et al. 2013 | TICv8 |