Planet GJ 896 Ab

Detailed information about planet GJ 896 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
GJ 896 Ab
Planet Status
Confirmed
Discovered in
2022
Publication
Status
—
Update
2024-07-28
Mass
2.26 ( ± 0.57 ) MJ
Mass*sin(i)
—
Semi-Major Axis
0.64282 ( ± 0.00068 ) AU
Orbital Period
284.39 ( ± 1.5 ) day
Eccentricity
0.35 ( ± 0.19 )
Angular distance
—
ω
353.11 ( +112.0 -12.0 ) deg
Tperi
2455702.65 ( ± 17.3 ) JD
Radius
—
Inclination
69.2 ( ± 26.0 ) deg
Detection Method
Astrometry
Mass Meas. Method
Astrometry
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
—
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.

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Star

Name
GJ 896 A
Distance
6.2565 ( ± 0.0051 ) pc
Spectral type
M4Ve
Apparent magnitude V
10.2
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.43589 ( ± 0.00047 ) MSun
Age
—
Effective temperature
—
Radius
—
Metallicity [Fe/H]
—
Detected Disc
—
Magnetic Field
—
RA2000
23:31:52.0
Dec2000
+19:56:14.0
Alternate Names
EQ Peg A, BD+19 5116 A, LMP 24 A, WIR 1 A

GJ 896 forms a binary system with a fainter M dwarf companion star (spT M6Ve) in mildly eccenric orbit (P = 229 y, a = 31.635±0.033 AUs, e = 0.108, i= 130°).

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