Planet HR 8799 f

Detailed information about planet HR 8799 f and its parameters.

Planet

Name
HR 8799 f
Planet Status
Confirmed
Discovered in
2023
Publication
Status
—
Update
2026-09-21
Mass
Mass*sin(i)
—
Semi-Major Axis
Orbital Period
—
Eccentricity
Angular distance
—
ω
—
Tperi
—
Radius
—
Inclination
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

Orbital parameters after Lagrange et al. (2026), which also allow the presence of a planetesimal belt at 4-8 AUs, the outer edge being shaped by planet HR 8799 e.

No link

Star

Name
HR 8799
Distance
Spectral type
A5V
Apparent magnitude V
5.96
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
23:07:29.0
Dec2000
+21:08:03.0
Alternate Names
HD 218396, V342 Peg

Presence of a cold and a warm disk (Su et al. 2009)