Temperature
5968 K
5968 to 5991.1
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Stellar HostProfile
TOI-2128
Unclassified star • 36.58 pc
Records
3
literature rows
Planets
1
system count
References
4
distinct source labels
TIC: TIC 21832928HIP: HIP 83827
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: MacDougall et al. 2023 • System source: TICv8
Mass
1.03 Msun
1.03 to 1.10
Radius
1.12 Rsun
1.12 to 1.13
Age
4.70 Gyr
single adopted value
Luminosity
0.16 log(Lsun)
0.16 to 0.17
Distance
36.58 pc
single adopted value
Planets
1
Stable across source rows
Scale Comparison
Radius against the Sun
Current adopted radius: 1.12 R☉ (circles scaled linearly by radius)
Sun
1.0 R☉ baseline
TOI-2128
1.12 R☉
System Layout
Known planets
1 planets linked to this host
TOI-2128 b
Transit
◌
Discovery
2024
Period
16.34 days
Radius
2.09 R⊕
Mass
4.50 M⊕
Eq. Temp
780.5 K
TOI-2128 b: A Super-Earth Orbiting a Star
TOI-2128 is a star 119 light-years away, with an age of 4.7 billion years, a mass of 1.03 solar masses, and a radius of 1.12 solar radii. Its temperature is 5970 K, hotter than the Sun's, and its radius is larger than the Sun's. One planet orbits this host.
TOI-2128 b is a Super-Earth discovered by transit in 2024. A transit occurs when a planet passes in front of its star from our viewpoint, causing a small dip in observed brightness. The planet's radius is 2.09 Earth radii, larger than Earth's, and its mass is 4.5 Earth masses, also larger than Earth's. Its orbital period is 16.3 days. The mean density is 2.72 g/cm³, 0.494 times Earth's.
Provenance
Underlying measurements and references
Evidence Summary
Rows
3
Stellar refs
3
System refs
1
Distancestable
Parallaxstable
Temperaturedisputed
Massdisputed
Radiusdisputed
Agestable
Luminositydisputed
Surface Gravitydisputed
Metallicitydisputed