K2-66b

K2-66b
Discovery[1]
Discovered byK2
Discovery date2017
Transit
Orbital characteristics[1]
0.05983±0.00072 AU
5.06963±0.00081 d
Inclination86.6+4.4
−2.4°
StarK2-66
Physical characteristics[1]
2.49 R🜨
Mass0.06702 MJ
Mean density
7.6 g/cm3

K2-66b is a confirmed[2][3][failed verification] mega-Earth orbiting the subgiant K2-66, about 520 parsecs (1,700 ly) from Earth in the direction of Aquarius.[1] It is an extremely hot and dense planet heavier than Neptune, but with only about half its radius.[4]

  1. ^ a b c d "The Extrasolar Planet Encyclopaedia — K2-66 b". Extrasolar Planets Encyclopaedia. Retrieved 30 January 2021.
  2. ^ Cite error: The named reference :3 was invoked but never defined (see the help page).
  3. ^ "K2-66 - Universe Guide". www.universeguide.com. Retrieved 7 July 2021.
  4. ^ Sinukoff, Evan; Howard, Andrew W.; Petigura, Erik A.; Fulton, Benjamin J.; Crossfield, Ian J. M.; Isaacson, Howard; Gonzales, Erica; Crepp, Justin R.; Brewer, John M.; Hirsch, Lea; Weiss, Lauren M.; Ciardi, David R.; Schlieder, Joshua E.; Benneke, Bjoern; Christiansen, Jessie L.; Dressing, Courtney D.; Hansen, Brad M. S.; Knutson, Heather A.; Kosiarek, Molly; Livingston, John H.; Greene, Thomas P.; Rogers, Leslie A.; Lépine, Sébastien (2017). "K2-66b and K2-106b: Two Extremely Hot Sub-Neptune-size Planets with High Densities". The Astronomical Journal. 153 (6): 271. arXiv:1705.03491. Bibcode:2017AJ....153..271S. doi:10.3847/1538-3881/aa725f. S2CID 31572527.