Planet SPECULOOS-3 b

Detailed information about planet SPECULOOS-3 b and its parameters.

Planet parameters Publications Observability Predictor Exo3D

Planet

Name
SPECULOOS-3 b
Planet Status
Confirmed
Discovered in
2024
Publication
Status
—
Update
2025-07-30
Mass
—
Mass*sin(i)
—
Semi-Major Axis
0.00733 ( ± 5.5e-05 ) AU
Orbital Period
0.71912603 ( ± 5.7e-07 ) day
Eccentricity
—
Angular distance
—
ω
—
Tperi
—
Radius
0.08716 ( ± 0.00196 ) RJ
Inclination
89.44 ( ± 0.4 ) deg
Detection Method
Primary Transit
Mass Meas. Method
—
Radius Meas. Method
Primary Transit
Primary transit
2459790.58344 ( ± 0.00032 ) JD
Secondary transit
—
λ
—
Impact Parameter b
0.124
Time Vr=0
—
Velocity Semiamplitude K
—
Calculated temperature
553.0 ( ± 8.0 ) K
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
LSPM J2049+3336 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
SPECULOOS-3
Distance
17.75 ( ± 0.006 ) pc
Spectral type
M6.5
Apparent magnitude V
18.0
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.1 ( ± 0.0024 ) MSun
Age
6.6 ( +1.8 -2.4 ) Gyr
Effective temperature
2800.0 ( ± 29.0 ) K
Radius
0.123 ( ± 0.002 ) RSun
Metallicity [Fe/H]
—
Detected Disc
—
Magnetic Field
—
RA2000
20:49:27.4
Dec2000
+33:36:50.9
Alternate Names
LSPM J2049+3336

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