Planet HIP 105707 b

Detailed information about planet HIP 105707 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
HIP 105707 b
Planet Status
Confirmed
Discovered in
2026
Publication
Status
—
Update
2026-09-09
Mass
32.2 ( +1.6 -1.5 ) MJ
Mass*sin(i)
25.6 ( ± 0.6 ) MJ
Semi-Major Axis
1.339 ( +0.01 -0.012 ) AU
Orbital Period
665.32 ( ± 0.71 ) day
Eccentricity
0.586 ( ± 0.015 )
Angular distance
0.00091 arcsec
ω
198.1 ( ± 1.0 ) deg
Tperi
—
Radius
—
Inclination
127.3 ( ± 1.9 ) deg
Detection Method
Radial Velocity
Mass Meas. Method
Astrometry
Radius Meas. Method
—
Primary transit
—
Secondary transit
—
λ
-54.31 ( +2.91 -2.99 ) deg
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
727.0 ( ± 34.0 ) m/s
Calculated temperature
—
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
LP 341-28 b
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
HIP 105707
Distance
50.324 ( +0.059 -0.284 ) pc
Spectral type
K6.5V
Apparent magnitude V
11.2
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.7 ( +0.016 -0.019 ) MSun
Age
12.2 ( +4.5 -6.3 ) Gyr
Effective temperature
4254.0 ( ± 70.0 ) K
Radius
0.679 ( +0.017 -0.014 ) RSun
Metallicity [Fe/H]
0.1 ( ± 0.09 )
Detected Disc
—
Magnetic Field
—
RA2000
21:24:36.6
Dec2000
+32:07:22.8
Alternate Names
LP 341-28

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