Temperature
6055.5 K
6011.7 to 6055.5
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Stellar HostProfile
TOI-921
Unclassified star • 294.0 pc
Records
3
literature rows
Planets
1
system count
References
4
distinct source labels
TIC: TIC 278775625
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
1.13 Msun
single adopted value
Radius
1.14 Rsun
1.14 to 1.14
Luminosity
0.20 log(Lsun)
single adopted value
Distance
294.0 pc
single adopted value
Planets
1
Stable across source rows
Scale Comparison
Radius against the Sun
Current adopted radius: 1.14 R☉ (circles scaled linearly by radius)
Sun
1.0 R☉ baseline
TOI-921
1.14 R☉
System Layout
Known planets
1 planets linked to this host
TOI-921 b
Transit
◌
Discovery
2026
Period
5.13 days
Radius
3.53 R⊕
Mass
—
Eq. Temp
—
TOI-921 b: A Neptune-Like World in a Distant System
TOI-921 is a star located 959 light-years away, with a mass of 1.13 solar masses and a radius of 1.14 solar radii. Its reported radius estimate is larger than the Sun's, and its temperature of 6060 K is hotter than the Sun's. One planet orbits this host.
That planet, TOI-921 b, is a Neptune-like world discovered by transit in 2026. A transit occurs when a planet passes in front of its star from our viewpoint, causing a small dip in observed brightness. TOI-921 b completes an orbit every 5.13 days and has a radius of 3.53 Earth radii, larger than Earth's. As a Neptune-like planet, its size class reaches up to four times Earth's radius.
Provenance
Underlying measurements and references
Evidence Summary
Rows
3
Stellar refs
3
System refs
1
Distancestable
Parallaxstable
Temperaturedisputed
Massstable
Radiusdisputed
Luminositystable
Surface Gravitydisputed
Metallicitystable