Temperature
3373 K
3373 to 3714
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Stellar HostProfile
K2-317
Unclassified star • 176.3 pc
Records
3
literature rows
Planets
1
system count
References
4
distinct source labels
TIC: TIC 70412892
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: TICv8 • System source: TICv8
Mass
0.32 Msun
0.32 to 0.40
Radius
0.34 Rsun
0.34 to 0.38
Luminosity
-1.87 log(Lsun)
single adopted value
Distance
176.3 pc
single adopted value
Planets
1
Stable across source rows
Scale Comparison
Radius against the Sun
Current adopted radius: 0.34 R☉ (circles scaled linearly by radius)
Sun
1.0 R☉ baseline
K2-317
0.34 R☉
System Layout
Known planets
1 planets linked to this host
K2-317 b
Transit
◌
Discovery
2020
Period
6.22 days
Radius
2.93 R⊕
Mass
—
Eq. Temp
432 K
K2-317 and Its Neptune-Like Planet
K2-317 is a star located 575 light-years away. It has a mass of 0.322 solar masses and a radius of 0.34 solar radii, making it smaller than the Sun in both respects, and its temperature of 3370 K is cooler than the Sun's. One planet orbits this star.
That planet, K2-317 b, is Neptune-like and was discovered by transit in 2020. A transit occurs when a planet passes in front of its star from our viewpoint, causing a small dip in observed brightness. K2-317 b completes an orbit every 6.22 days, and its radius of 2.93 Earth radii is larger than Earth's.
Provenance
Underlying measurements and references
Evidence Summary
Rows
3
Stellar refs
3
System refs
1
Distancestable
Parallaxstable
Temperaturedisputed
Massdisputed
Radiusdisputed
Luminositystable
Surface Gravitydisputed