Stellar HostProfile

TOI-3896

Unclassified star • 181.7 pc

Records

literature rows

Planets

system count

References

distinct source labels

TIC: TIC 445837596

Approximate color

from effective temperature

Stellar source: TICv8 • System source: TICv8

Temperature

5127 K

5110.9 to 5127

3 values • 2 distinct

Mass

0.86 Msun

single adopted value

1 values • 1 distinct

Radius

0.75 Rsun

0.75 to 0.75

3 values • 2 distinct

Luminosity

-0.46 log(Lsun)

single adopted value

1 values • 1 distinct

Distance

181.7 pc

single adopted value

3 values • 1 distinct

Planets

Stable across source rows

Sun

1.0 R☉ baseline

TOI-3896

0.75 R☉

Discovery

2026

Period

4.38 days

Radius

3.15 R⊕

Mass

—

Eq. Temp

—

TOI-3896 b: A Neptune-like Planet in a Close Orbit

TOI-3896 is a star 592 light-years from Earth with a mass of 0.86 solar masses, a radius of 0.748 solar radii, and a temperature of 5130 K, all smaller or cooler than the Sun. One known planet orbits this host.

That planet, TOI-3896 b, is Neptune-like, meaning its radius falls within the size class reaching four times Earth's radius. It was discovered by transit in 2026. Its radius is 3.15 Earth radii, larger than Earth's. Its orbital period is 4.38 days.

Evidence Summary

Rows

Stellar refs

System refs

Distancestable

3 values • 1 distinct

Parallaxstable

3 values • 1 distinct

Temperaturedisputed

3 values • 2 distinct

Massstable

1 values • 1 distinct

Radiusdisputed

3 values • 2 distinct

Luminositystable

1 values • 1 distinct

Surface Gravitydisputed

3 values • 3 distinct

ST TEFF	ST MASS	ST RAD	ST AGE	ST LUM	ST SPECTYPE	SY DIST	Stellar Ref	System Ref
5127	—	0.75	—	—	—	181.7	ExoFOP	TICv8
5127	0.86	0.75	—	-0.46	—	181.7	TICv8	TICv8
5110.9	—	0.75	—	—	—	181.7	Lafarga et al. 2026	TICv8

TOI-3896

Adopted host values from one source row

Radius against the Sun

Known planets

TOI-3896 b

TOI-3896 b: A Neptune-like Planet in a Close Orbit

Underlying measurements and references