Temperature
4823 K
4823 to 4854
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Stellar HostProfile
K2-378
Unclassified star • 688.0 pc
Records
4
literature rows
Planets
1
system count
References
5
distinct source labels
TIC: TIC 741119
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: Christiansen et al. 2022 • System source: TICv8
Mass
0.92 Msun
0.79 to 0.92
Radius
0.73 Rsun
0.73 to 0.74
Distance
688.0 pc
single adopted value
Planets
1
Stable across source rows
Scale Comparison
Radius against the Sun
Current adopted radius: 0.73 R☉ (circles scaled linearly by radius)
Sun
1.0 R☉ baseline
K2-378
0.73 R☉
System Layout
Known planets
1 planets linked to this host
K2-378 b
Transit
◌
Discovery
2022
Period
2.06 days
Radius
2.88 R⊕
Mass
—
Eq. Temp
—
K2-378 b: A Neptune-like Planet in a Close Orbit
K2-378 is a star located roughly 2240 light-years away, with one known planet. A light-year is a unit of distance. The star has a mass of 0.923 solar masses and a radius of 0.732 solar radii. Its reported temperature is 4820 K, and its reported radius estimate is smaller than the Sun's. Its reported temperature is also cooler than the Sun's.
The planet K2-378 b is Neptune-like, a size classification that reaches up to four times Earth's radius. It was discovered by transit in 2022, when the planet passed in front of its star from our viewpoint, causing a small dip in observed brightness. This world has a radius of 2.88 Earth radii, and its reported radius estimate is larger than Earth's. It completes an orbit every 2.06 days.
K2-378 b is the only known planet around K2-378, and its star is the sole listed body in the system.
Provenance
Underlying measurements and references
Evidence Summary
Rows
4
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 |
|---|---|---|---|---|---|---|---|---|
| 4854 | 0.79 | 0.74 | — | -0.57 | — | 688.0 | TICv8 | TICv8 |
| — | — | 0.73 | — | — | — | 688.0 | Kruse et al. 2019 | TICv8 |
| 4823 | 0.92 | 0.73 | — | — | — | 688.0 | Christiansen et al. 2022 | TICv8 |
| — | — | — | — | — | — | 688.0 | Pope et al. 2016 | TICv8 |