This is a list of the hottest exoplanets so far discovered, specifically those with temperatures greater than 2,500 K (2,230 °C; 4,040 °F) . For comparison, the hottest planet in the Solar System is Venus , with a temperature of 737 K (464 °C; 867 °F) .
Methods for finding temperature:
More information Image (Or artistic representation), Name ...
Image
(Or artistic representation)
Name
Temperature (K)
Mass
Method
Notes
KELT-9b
4,643± 26[1]
2.88 M J [1]
Teff
Hottest known exoplanet, with a temperature comparable to K-type stars .
55 Cancri e (Janssen)
3,771+669 −520 [2]
7.99 M 🜨 [2]
Hottest confirmed rocky exoplanet.
TOI-2109b
3,631± 69[3]
5.02 M J [3]
WASP-189b
3,435± 27[4]
1.99 M J [4]
TOI-1518b
3,237± 59[5]
<2.3 M J [5]
WASP-103b
3,205± 136[6]
1.455 M J [6]
KELT-16b
3,190± 61[7]
2.75 M J [7]
WASP-12b
3,128± 66[8]
1.465 M J [8]
This planet is so close to its parent star that its tidal forces are distorting it into an egg shape.
WASP-33b
3,108± 113[6]
2.093 M J [6]
WASP-18b
3,067± 104[6]
10.20 M J [6]
MASCARA-1b
3,062± 67[9]
3.7 M J [9]
HATS-70b
2,730+140 −160 [10]
12.9 M J [10]
Teq
WASP-100b
2,710[11]
2.03 M J [11]
Teff
HIP 78530 b
2,700± 100[12]
23 M J [12]
Likely a brown dwarf .
MASCARA-5b
2,700[13]
3.12 M J [13]
WASP-76b
2,670 (dayside)[14]
0.92 M J
In this tidally locked planet where winds move 18,000 km/h, molten iron rains from the sky due to daytime temperatures exceeding 2,400 °C (2,670 K) .[15] [16]
HAT-P-7b
2,667± 57[17]
1.682 M J [17]
GQ Lupi b
2,650± 100[18]
20 M J [18]
[18] Likely a brown dwarf.
TOI-2260 b
2,609± 86[10]
Teq
CT Chamaelontis b
2,600± 250[19]
17 M J [19]
Teff
Likely a brown dwarf .
HAT-P-70b
2,562+43 −52 [10]
6.78 M J [10]
Teq
Kepler-13b
2,550± 80 (2277 °C)[10]
9.78 M J [10]
The following well-known planets are listed for the purpose of comparison.
Kepler-10b
2,130+60 −120 ( 1,857 °C )[20]
4.6 M 🜨 [20]
Teq
TrES-4b
1,782± 29 ( 1,509 °C )[21]
0.919 M J [21]
One of the largest known exoplanets.
CoRoT-7b
1,756± 27 ( 1,483 °C )[22]
5.74 M 🜨 [22]
Upsilon Andromedae b (Saffar)
1,673 ( 1,400 °C )[23]
1.7 M J [24]
Teff
WASP-17b (Ditsö̀)
1,550+170 −200 ( 1,277 °C )[25]
0.512 M J [25]
With a density of about 0.08 g/cm3 ,[26] it is one of the puffiest exoplanets known.
HD 209458 b (Osiris)
1,499± 15 ( 1,226 °C )[27]
0.682 M J [25]
TrES-2b
1,466± 9 ( 1,193 °C )[28]
1.253 M J [28]
Teq
The darkest exoplanet known, reflecting less than 1% its star's light.
Beta Pictoris b
1,451± 15 ( 1,178 °C )[29]
11.729 M J [30]
Teff
51 Pegasi b (Dimidium)
1,265 ( 992 °C )
0.46 M J
Teq
The first exoplanet discovered orbiting a main-sequence star .
Kepler-20e
1,004± 14 ( 735 °C )[31]
<0.76 M 🜨 [31]
The first planet smaller than Earth discovered after PSR B1257+12 b .
Venus (for reference)
735 ( 462 °C )[32]
0.815 M 🜨 [32]
Hottest planet in the Solar System.
Close
These planet candidates have not been confirmed.
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