Temperature
5945 K
5945 to 6168
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Stellar HostProfile
K2-100
G0 V • 189.0 pc
Records
15
literature rows
Planets
1
system count
References
16
distinct source labels
TIC: TIC 307733361
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: Barragán et al. 2019 • System source: TICv8
Mass
1.15 Msun
1.15 to 1.23
Radius
1.24 Rsun
1.19 to 1.57
Age
0.75 Gyr
0.75 to 0.79
Distance
189.0 pc
single adopted value
Spectral Type
G0 V
Consistent across records
Planets
1
Stable across source rows
Scale Comparison
Radius against the Sun
Current adopted radius: 1.24 R☉ (circles scaled linearly by radius)
Sun
1.0 R☉ baseline
K2-100
1.24 R☉
System Layout
Known planets
1 planets linked to this host
K2-100 b
Transit
◌
Discovery
2016
Period
1.67 days
Radius
3.88 R⊕
Mass
21.80 M⊕
Eq. Temp
1841 K
K2-100 and Its Neptune-like Planet
K2-100 is a G0 V star located 616 light-years away. It is a Sun-like dwarf with a mass of 1.15 solar masses and a radius of 1.24 solar radii, making it larger than the Sun in both respects. Its temperature of 5950 K is hotter than the Sun's, and its age is 0.75 billion years.
One planet orbits this star. K2-100 b is a Neptune-like world discovered by transit in 2016. It completes an orbit in 1.67 days, has a mass of 21.8 Earth masses, and a radius of 3.88 Earth radii, both larger than Earth's. Its mean density is 2.06 g/cm³, 0.373 times Earth's.
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 |
|---|---|---|---|---|---|---|---|---|
| — | — | — | — | — | — | 189.0 | Pope et al. 2016 | TICv8 |
| — | — | 1.57 | — | — | — | 189.0 | Libralato et al. 2016 | TICv8 |
| — | — | — | — | — | — | 189.0 | Rizzuto et al. 2017 | TICv8 |
| 6044 | 1.21 | 1.23 | — | — | — | 189.0 | Howard et al. 2025 | TICv8 |
| — | — | 1.27 | — | — | — | 189.0 | Kruse et al. 2019 | TICv8 |
| 6115.5 | — | 1.22 | — | — | — | 189.0 | ExoFOP | TICv8 |
| 5945 | 1.15 | 1.24 | 0.75 | — | G0 V | 189.0 | Barragán et al. 2019 | TICv8 |
| — | — | 1.23 | — | — | — | 189.0 | Petigura et al. 2018 | TICv8 |
| — | — | — | — | — | — | 189.0 | Barros et al. 2016 | TICv8 |
| 6115.5 | 1.15 | 1.22 | — | 0.27 | — | 189.0 | TICv8 | TICv8 |
| 6120 | 1.18 | 1.19 | 0.79 | 0.25 | — | 189.0 | Mann et al. 2017 | TICv8 |
| 6168 | 1.23 | 1.22 | — | — | — | 189.0 | Livingston et al. 2018 | TICv8 |
| — | — | — | — | — | G0 V | 189.0 | Rebeirot 1966 | TICv8 |
| 6120 | 1.18 | 1.19 | — | — | — | 189.0 | Stefansson et al. 2018 | TICv8 |
| 5953.2 | — | 1.27 | — | 0.26 | — | 189.0 | Gaia DR2 | TICv8 |