Discovery[1] | |
---|---|
Discovery date | 2019 (candidate)[2][3] 2021 (confirmed)[1][4] |
Transit | |
Designations | |
KIC 7906827.01 | |
Orbital characteristics[1] | |
1.64±0.10 AU | |
Eccentricity | <0.40 |
737.1131+0.00146 −0.00770 d | |
Inclination | 89.92°+0.03° −0.01° |
Star | Kepler-1708 |
Physical characteristics[1] | |
0.8886+0.0535 −0.0526 RJ)[4] | |
Mass | <4.6 MJ |
Kepler-1708b (previously known as KIC 7906827.01) is a Jupiter-sized exoplanet orbiting the Sun-like star Kepler-1708, located in the constellation of Cygnus approximately 5,600 light years away from Earth.[1] It was first detected in 2011 by NASA's Kepler mission using the transit method, but was not identified as a candidate planet until 2019.[2][3] In 2021, a candidate Neptune-sized exomoon in orbit around Kepler-1708b was found by astronomer David Kipping and colleagues in an analysis using Kepler transit data.[1][4] However, subsequent research has raised discrepancies about the possible existence of an exomoon, similar to that of Kepler-1625b.[5]
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