Planet WASP-2 Ab

Detailed information about planet WASP-2 Ab and its parameters.

Planet

Name
WASP-2 Ab
Planet Status
Confirmed
Discovered in
2006
Publication
Status
—
Update
2026-10-14
Mass
Mass*sin(i)
—
Semi-Major Axis
Orbital Period
Eccentricity
Angular distance
0.000218 arcsec
ω
—
Tperi
—
Radius
Inclination
Detection Method
Primary Transit
Mass Meas. Method
—
Radius Meas. Method
—
Primary transit
Secondary transit
—
λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
—
Calculated temperature
—
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
TOI-5797.01
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

See also Planets in Binaries webpage.

Star

Name
WASP-2 A
Distance
152.0 ( ± 0.6 ) pc
Spectral type
G9/K0V
Apparent magnitude V
11.98
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
Age
Effective temperature
Radius
Metallicity [Fe/H]
Detected Disc
—
Magnetic Field
—
RA2000
20:30:54.0
Dec2000
+06:25:46.0
Alternate Names
DAE 10 A, TOI-5797, TIC 374530847, 2MASS J20305413+0625463

Daemgen et al. (2009) detect an M dwarf companion star 111 AUs away.
Morgan et al. (2026) describe a highly eccentric orbit (aA-B = 350 AUs, e = 0.936).

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