Planet TOI-1227 Bb

Detailed information about planet TOI-1227 Bb and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
TOI-1227 Bb
Planet Status
Confirmed
Discovered in
2021
Publication
Status
Published in a refereed paper
Update
2025-07-21
Mass
—
Mass*sin(i)
—
Semi-Major Axis
0.0886 ( ± 0.0057 ) AU
Orbital Period
27.36397 ( ± 0.00011 ) day
Eccentricity
—
Angular distance
—
ω
—
Tperi
—
Radius
0.854 ( +0.057 -0.052 ) RJ
Inclination
88.571 ( +0.062 -0.093 ) deg
Detection Method
Radial Velocity
Mass Meas. Method
—
Radius Meas. Method
Primary Transit
Primary transit
2458617.4621 ( ± 0.0016 ) JD
Secondary transit
—
λ
—
Impact Parameter b
0.849 ( +0.024 -0.015 )
Time Vr=0
—
Velocity Semiamplitude K
—
Calculated temperature
—
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
—
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

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Star

Name
TOI-1227 B
Distance
100.96 ( ± 0.2 ) pc
Spectral type
M4.5V
Apparent magnitude V
15.0
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.17 ( ± 0.015 ) MSun
Age
0.011 ( ± 0.002 ) Gyr
Effective temperature
3072.0 ( ± 74.0 ) K
Radius
0.56 ( ± 0.03 ) RSun
Metallicity [Fe/H]
—
Detected Disc
—
Magnetic Field
—
RA2000
12:27:04.2
Dec2000
-72:27:06.7
Alternate Names

Secondary component of a widely separated (aA-B = 51,675.47 AUs) binary system with a more massive (mA = 0.44 MSol) primary (Matson et al. 2025).

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