Kepler-445d

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Kepler-445d
Exoplanet List of exoplanets
Size comparison
Earth Kepler-445d
The Earth seen from Apollo 17.jpg Exoplanet
Parent star
Star Kepler-445
Right ascension (α) 19h54m56.65s
Declination (δ) +46d29m54.8s
Mass (m) 0.18±0.04 M
Radius (r) 0.21±0.03 R
Temperature (T) 3157±60 K
Metallicity [Fe/H] 0.27±0.13
Physical characteristics
Radius (r) 1.25 R
Temperature (T) 305 K (32 °C; 89 °F) [1]
Orbital elements
Semi-major axis (a) 0.047121[2] AU
Eccentricity (e) 0
Orbital period (P) 8.15275±0.00040 d
Inclination (i) 89.61°
Discovery information
Discovery date 2015
Discoverer(s)
Discovery method Transit
Discovery site Kepler Space Observatory
Discovery status Confirmed

Kepler-445d is an exoplanet orbiting the red dwarf Kepler-445 every 8 days in the circumstellar habitable zone.[3] It has a surface temperature of 305 K (32 °C; 89 °F) making it suitable for life.[4] PHL has currently not assessed the planet for habitability.[5]

Physical characteristics

Kepler-445d is only slightly larger than the Earth, with a radius of 1.25 R. According to PHL's calculators, the mass required for the planet to have the same density as the Earth is around 2 M.[6]

References

Planetbox Reference

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