KELT-11b
Exoplanet | List of exoplanets | |
---|---|---|
Parent star | ||
Star | KELT-11 | |
Right ascension | (α) | 10h 46m 49.74065s[1] |
Declination | (δ) | −09° 23′ 56.4870″[1] |
Distance | 319.8 ± 16 ly (98 ± 5[1] pc) | |
Spectral type | G8IV | |
Mass | (m) | +0.061 −0.052 1.438[1] M☉ |
Radius | (r) | +0.21 −0.17 2.72[1] R☉ |
Temperature | (T) | +51 −50 5370[1] K |
Metallicity | [Fe/H] | 0.180 ± 0.075[1] |
Physical characteristics | ||
Mass | (m) | +0.019 −0.018 0.195[1] MJ |
Radius | (r) | +0.15 −0.12 1.37[1] RJ |
Density | (ρ) | +0.028 −0.024 0.093[1] kg m−3 |
Stellar flux | (F⊙) | +0.24 −0.20 1.95[1] ⊕ |
Surface gravity | (g) | +0.080 −0.086 2.407[1] m/s² |
Temperature | (T) | +51 −46 1712[1] |
Orbital elements | ||
Semi-major axis | (a) | 0.06229[1] AU |
Orbital period | (P) | 4.736529[1] d |
Discovery information | ||
Discovery date | July 6, 2016 | |
Discoverer(s) | ||
Discovery method | transit | |
Discovery status | Published | |
Database references | ||
Extrasolar Planets Encyclopaedia | data | |
SIMBAD | data | |
Exoplanet Archive | data | |
Open Exoplanet Catalogue | data |
KELT-11b is an exoplanet orbiting around the yellow subgiant star KELT-11 about 320 light-years away from Earth. It is an inflated planet, among one of the most "puffiest planets" known. It has a radius 1.37 times that of Jupiter, but only 19% of its mass. It was discovered in 2016.[1]
References
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