Planet LTT 1445A b

Detailed information about planet LTT 1445A b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
LTT 1445A b
Planet Status
Confirmed
Discovered in
2019
Mass
0.00903 MJ
Mass*sin(i)
—
Semi-Major Axis
0.03813 AU
Orbital Period
5.3587657 day
Eccentricity
0.11 ( -0.11 +0.0 )
ω
222.0 deg
Tperi
—
Radius
0.11643 RJ
Inclination
89.68 deg
Update
2023-09-19
Detection Method
Primary Transit
Mass Detection Method
Radial Velocity
Radius Detection Method
Primary Transit
Primary transit
2458412.70851 JD
Secondary transit
—
λ
—
Impact Parameter b
0.17 ( -0.12 +0.15 )
Time Vr=0
—
Velocity Semiamplitude K
2.6 m/s
Calculated temperature
424.0 K
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
TOI-455 b
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference
H2O
Modeling Detected 2023 - PHILLIPS C.
NH3
Modeling Detected 2023 - PHILLIPS C.

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Star

Name
LTT 1445A
Distance
6.9 pc
Spectral type
M
Apparent magnitude V
—
Mass
0.256 MSun
Age
—
Effective temperature
3340.0 K
Radius
0.27 RSun
Metallicity [Fe/H]
-0.34 (± 0.09)
Detected Disc
—
Magnetic Field
—
RA2000
03:01:51.0
Dec2000
-16:35:36.0
Alternate Names
—

The parent star is part of a triple system with a pair of two other M stars at an angular distance 1.16 arc sec and orbiting around the A star with a period 36.2 years (Winters et al. 2019).

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