YZ Ceti c
Planet· orbits the Sun
YZ Ceti c - the middle planet of YZ Ceti (minimum mass ~1.1 Earth), on a 3-day orbit. Never imaged.
Open in 3D viewSee YZ Ceti c in the live, interactive 3D map
Key facts
Minimum mass
6.81 × 10²⁴ kg
1.14 M⊕
Year
3.06 Earth days
Distance from YZ Ceti
3,231,314 km
Science
Physical
- Minimum mass (m·sin i)
- 6.81 × 10²⁴ kg · 1.14 M⊕
- Radius
- Not measured
Orbital
- Semi-major axis
- 3,231,314 km
- Eccentricity
- 0
- Inclination
- 0.00 °
- Orbital period
- 3.1 days
- Perihelion
- 3,231,314 km
- Aphelion
- 3,231,314 km
- Mean orbital velocity
- 76.8 km/s
Composition
- Bulk composition
- Presumed rocky (minimum mass ~1.1 Earth); never imaged.
- Surface appearance
- Appearance based on ESO/M. Kornmesser's artist's concept. No spacecraft has imaged this world, so its real appearance is unknown — The surface shown is an artistic representation, shown only in Vision mode; Realism shows a plain spectral colour.
Radiation & temperature
- Insolation
- 4.72 S⊕ · 4.72× the sunlight Earth receives
- Equilibrium temperature
- 410 K (137 °C)
Discovery & history
- Method
- Radial-velocity detection (stellar wobble)
- Name
- Designated 'c' as the second planet found around its star, following the IAU convention of lettering planets in discovery order from 'b'.
The second of three planets found by HARPS in 2017.
Images
No official imagery available — this object has never been visited and no officially-licensed depiction exists.