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List of largest exoplanets

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Below is a list of the largest exoplanets so far discovered, in terms of physical size, ordered by radius.

List

The sizes are listed in units of Jupiter radii (RJ, R♃). All planets listed are larger than the largest planet in the Solar System, Jupiter.

Exoplanet Radius (RJ)
(Jupiter = 1) 		Notes
HD 100546 b 6.9[1]
GQ Lup b 3.0[2]
ROXs 42Bb 2.5
CT Cha b 2.2
WASP-79 b 2.09
HAT-P-32b 2.037 CT Cha b is larger with 2.2 Jupiter radii, but may be a brown dwarf
KOI-13 b 2.03
WASP-17b 1.991 Was the largest known planet in 2012.
51 Peg b 1.900
WASP-121 b 1.865
KELT-8 b 1.860
KOI-368.01 1.830
WASP-76 b 1.830
WASP-12b 1.830 Was the largest planet in 2009
HAT-P-33b 1.827
GQ Lup b 1.800
TRES-4b 1.799
WASP-78 b 1.75
HAT-P-40 b 1.73
WASP-94 A b 1.72
OGLE-TR-10 b 1.72
TrES-4 1.706
1RXS 1609 b 1.7
WASP-88 b 1.7
Kepler-12b 1.695
WASP-100 b 1.69
HAT-P-41 b 1.685
WASP-48 b 1.67
WASP-82 b 1.67
Kepler-447b 1.65
beta Pic b 1.65
WASP-90 b 1.63
Kepler-7 b 1.614
OGLE2-TR-L9 b 1.614
HAT-P-39 b 1.571
WASP-74 b 1.56
WASP-31 b 1.537
KELT-7 b 1.533
WASP-103 b 1.528
HAT-P-8 b 1.5
WASP-71 b 1.5
WASP-33 b 1.497
WTS-1 b 1.49
CoRoT-1 b 1.49
WASP-1 b 1.484
Kepler-7b 1.478
OGLE-TR-182 b 1.47
HAT-P-56 b 1.466
CoRoT-2 b 1.465
WASP-20 b 1.459
WASP-3b 1.454
Kepler-432 b 1.45
WASP-109 b 1.443
WASP-111 b 1.442
2M 0219-3925 b 1.44
CoRoT-12 b 1.44
HAT-P-7 b 1.431
Kepler-5b 1.431
Kepler-448b 1.43
CoRoT-11 b 1.43
WASP-63 b 1.43
WASP-15 b 1.428
HAT-P-45 b 1.426
Kepler-8b 1.419
HAT-P-49 b 1.413
WASP-101 b 1.41
Kepler-13 b 1.406
Kepler-13Ab 1.4
HAT-P-9 b 1.4
WASP-54 b 1.4
WASP-67 b 1.4
WASP-19 b 1.395
WASP-4 b 1.395
WASP-62 b 1.39
WASP-66 b 1.39
WASP-87A b 1.385
Kepler-91b 1.384
HATS-3 b 1.381
HD 209458 b 1.38
WASP-58 b 1.37
HAT-P-23 b 1.368
WASP-13 b 1.365
HD 209458 b 1.363
GU Psc b 1.35
XO-4 b 1.34
HAT-P-30-WASP-51 b 1.34
KELT-3 b 1.333
HAT-P-35 b 1.332
CoRoT-5 b 1.33
HAT-P-6 b 1.33
WASP-7 b 1.33
Kepler-412b 1.325
Kepler-6b 1.323
WASP-35 b 1.32
Kepler-74 b 1.32
HAT-P-1 b 1.319
HAT-P-53 b 1.318
Kepler-17 b 1.312
CoRoT-18 b 1.31
WASP-46 b 1.31
KELT-2A b 1.306
TrES-3 1.305
HATS-1 b 1.302
WASP-24 b 1.3
WTS-2 b 1.3
CoRoT-21 b 1.3
HR 8799 c 1.3
2M 2206-20 b 1.3
Kepler-30c 1.28
TrES-2b 1.272
Kepler-76b 1.25
Kepler-44b 1.24
Kepler-39b 1.22 One of the most massive exoplanets known.
Kepler-87b 1.204
Kepler-43b 1.20
Kepler-40b 1.17
HD 189733 b 1.138
Kepler-14b 1.136
Kepler-71b 1.04
Kepler-90h 1.008
Kepler-117c 1.008
Kepler-89d 1.005
Jupiter 69,911 km [3] Largest planet in the Solar System, by radius and volume.[4]
Reported for reference

Timeline of largest exoplanet recordholders

Planet Size (RJ) Date Notes
HAT-P-32b 2.02 2013— CT Cha b may be larger at 2.2 Jupiter radii, but its status as a planet or brown dwarf is unconfirmed
WASP-17b 1.991 2007—2009
TRES-4b 1.67 2007—2009 This planet has a density of 0.2 g/cm3, about that of balsa wood, less than Jupiter's 1.3g/cm3 It was succeeded by WASP-17b as the largest exoplanet./>[5][6]

See also

References

  1. ^ http://exoplanetarchive.ipac.caltech.edu/cgi-bin/TblView/nph-tblView?app=ExoTbls&config=planets&constraint=pl_pnum%20%3E1
  2. ^ http://exoplanetarchive.ipac.caltech.edu/cgi-bin/TblView/nph-tblView?app=ExoTbls&config=planets&constraint=pl_pnum%20%3E1
  3. ^ Elizabeth Howell (21 April 2014). "The Planets in Our Solar System in Order of Size". Universe Today.
  4. ^ Jerry Coffey (8 July 2008). "What is the Biggest Planet in the Solar System?". Universe Today.
  5. ^ Ker Than (6 August 2007). "Largest Known Exoplanet Discovered". Space.com.
  6. ^ California Institute of Technology (6 August 2007). "Keck Confirms Largest Exoplanet To Date". W.M. Keck Observatory.
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