Temperature
3804 K
3630 to 3804
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Stellar HostProfile
K2-343
Unclassified star • 166.2 pc
Records
5
literature rows
Planets
2
system count
References
5
distinct source labels
TIC: TIC 197246627
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: de Leon et al. 2021 • System source: TICv8
Mass
0.49 Msun
0.48 to 0.49
Radius
0.46 Rsun
0.46 to 0.51
Distance
166.2 pc
single adopted value
Planets
2
Stable across source rows
Scale Comparison
Radius against the Sun
Current adopted radius: 0.46 R☉ (circles scaled linearly by radius)
Sun
1.0 R☉ baseline
K2-343
0.46 R☉
System Layout
Known planets
2 planets linked to this host
K2-343: A Cool Dwarf with Two Super-Earths
K2-343 is a star located 542 light-years away with two planets orbiting it. The host star has a mass of 0.49 solar masses, a radius of 0.46 solar radii, and a temperature of 3800 K. Its reported mass and radius estimates are smaller than the Sun's, and its reported temperature is cooler than the Sun's.
Both planets were discovered by transit in 2021, the method in which a planet passes in front of its star from our viewpoint and causes a small dip in observed brightness. K2-343 b is a Super-Earth with an orbital period of 2.79 days and a radius of 1.65 Earth radii. K2-343 c is also a Super-Earth, with an orbital period of 7.68 days and a radius of 2.02 Earth radii. Both planets' reported radius estimates are larger than Earth's.
Among the listed planets, K2-343 b has the shortest year by reported estimates, at 2.79 days, and the smallest radius, at 1.65 Earth radii. K2-343 c has the longest year by reported estimates, at 7.68 days, and the largest radius, at 2.02 Earth radii.
Provenance
Underlying measurements and references
Evidence Summary
Rows
5
Stellar refs
4
System refs
1
Distancestable
Parallaxstable
Temperaturedisputed
Massdisputed
Radiusdisputed
Luminositystable
Surface Gravitydisputed
Metallicitystable
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| — | — | 0.51 | — | — | — | 166.2 | Kruse et al. 2019 | TICv8 |
| 3630 | 0.48 | 0.48 | — | -1.44 | — | 166.2 | TICv8 | TICv8 |
| 3804 | 0.49 | 0.46 | — | — | — | 166.2 | de Leon et al. 2021 | TICv8 |
| — | — | 0.51 | — | — | — | 166.2 | Kruse et al. 2019 | TICv8 |
| 3790 | — | 0.47 | — | — | — | 166.2 | Yu et al. 2018 | TICv8 |