Temperature
5500 K
5351 to 5767
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Stellar HostProfile
K2-280
Unclassified star • 391.5 pc
Records
8
literature rows
Planets
1
system count
References
9
distinct source labels
TIC: TIC 119605900
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: Nowak et al. 2020 • System source: TICv8
Mass
1.03 Msun
0.98 to 1.17
Radius
1.28 Rsun
1.06 to 1.45
Age
8.96 Gyr
single adopted value
Distance
391.5 pc
single adopted value
Planets
1
Stable across source rows
Scale Comparison
Radius against the Sun
Current adopted radius: 1.28 R☉ (circles scaled linearly by radius)
Sun
1.0 R☉ baseline
K2-280
1.28 R☉
System Layout
Known planets
1 planets linked to this host
K2-280 b
Transit
◌
Discovery
2018
Period
19.90 days
Radius
7.50 R⊕
Mass
37.10 M⊕
Eq. Temp
787 K
K2-280: A Distant Star and Its Jupiter-Like Planet
K2-280 is a star 1280 light-years away with 1.03 solar masses, 1.28 solar radii, and a temperature of 5500 K. It is 8.96 billion years old. One planet has been found orbiting this host.
That planet is K2-280 b, a Jupiter-like world discovered by transit in 2018. It completes an orbit every 19.9 days. Its radius is 7.5 Earth radii, and its mass is 37.1 Earth masses.
Provenance
Underlying measurements and references
Evidence Summary
Rows
8
Stellar refs
8
System refs
1
Distancestable
Parallaxstable
Temperaturedisputed
Massdisputed
Radiusdisputed
Agestable
Luminositydisputed
Surface Gravitydisputed
Metallicitydisputed
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| 5767 | — | 1.06 | — | — | — | 391.5 | Mayo et al. 2018 | TICv8 |
| 5556 | 0.98 | 1.31 | — | 0.17 | — | 391.5 | TICv8 | TICv8 |
| 5742 | 1.11 | 1.28 | — | — | — | 391.5 | Livingston et al. 2018 | TICv8 |
| 5351 | — | 1.37 | — | 0.14 | — | 391.5 | Gaia DR2 | TICv8 |
| 5500 | 1.03 | 1.28 | 8.96 | — | — | 391.5 | Nowak et al. 2020 | TICv8 |
| — | — | 1.45 | — | — | — | 391.5 | Petigura et al. 2018 | TICv8 |
| — | — | 1.37 | — | — | — | 391.5 | Kruse et al. 2019 | TICv8 |
| 5741 | 1.17 | 1.28 | — | — | — | 391.5 | Howard et al. 2025 | TICv8 |