UPSA Object Registry
Registry · exoplanet

Kepler-20 e

Exoplanet 61 papers
harvesting The full record is being pulled from the archives right now — measurement tables, the Gaia row, catalogue photometry. This page will fill itself in.
Right ascension
19h 10m 47.52s
Declination
+42° 20′ 18.9″
Galactic l, b
73.377, 14.57
Magnitude V
12.61
Distance
282.56 pc

Also known as

1 identifiers

Kepler-20e

Planet

NASA Exoplanet Archive, composite parameters
Host starKepler-20 · G5V
DiscoveryTransit, 2011 · Kepler
Orbital period6.09849 d
Semi-major axis0.0637 au
Eccentricity0.092
Radius0.821 R⊕ · 0.07324 R♃
Mass0.76 M⊕ · 0.002391 M♃
Density7.5 g/cm³
Equilibrium temperature1,004 K
System distance282.56 pc

Published measurements

6 quantities measured more than once
One object can carry a dozen published estimates of the same quantity. The register keeps them side by side rather than picking a winner — the citation is part of the value.

Mass 2 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.76 M_earth Transit NASA Exoplanet Archive Bonomo et al. 2023 2023
3.08 M_earth Transit NASA Exoplanet Archive Fressin et al. 2012 2012

Radius 12 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.784 R_earth ± 0.105 Transit NASA Exoplanet Archive Weiss et al. 2024 2024
0.821 R_earth ± 0.022 Transit NASA Exoplanet Archive Bonomo et al. 2023 2023
0.784 R_earth ± 0.105 Transit NASA Exoplanet Archive Fulton & Petigura 2018 2018
0.805 R_earth ± 0.047 Transit NASA Exoplanet Archive Berger et al. 2018 2018
0.865 R_earth ± 0.026 Transit NASA Exoplanet Archive Buchhave et al. 2016 2016
0.81 R_earth ± 0.19 Transit NASA Exoplanet Archive Morton et al. 2016 2016
0.868 R_earth ± 0.074 Transit NASA Exoplanet Archive Fressin et al. 2012 2012
0.84 R_earth ± 0.09 Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2011
0.82 R_earth ± 0.15 Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2011
0.91 R_earth ± 0.08 Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2011
0.82 R_earth ± 0.15 Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2011
0.82 R_earth ± 0.15 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2011

Orbital period 13 values

ValueUnitUncertainty Band / methodSourceReferenceYear
6.098537 d Transit NASA Exoplanet Archive Weiss et al. 2024 2024
6.098488 d ± 9.90e-06 Transit NASA Exoplanet Archive Bonomo et al. 2023 2023
6.098488 d ± 9.85e-06 Transit NASA Exoplanet Archive Gajdoš et al. 2019 2019
6.098537 d ± 2.84e-05 Transit NASA Exoplanet Archive Fulton & Petigura 2018 2018
6.098523 d ± 6.08e-06 Transit NASA Exoplanet Archive Buchhave et al. 2016 2016
6.098537 d ± 2.84e-05 Transit NASA Exoplanet Archive Morton et al. 2016 2016
6.098493 d ± 6.50e-05 Transit NASA Exoplanet Archive Fressin et al. 2012 2012
6.098556 d ± 2.54e-05 Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2011
6.098537 d ± 2.84e-05 Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2011
6.098496 d ± 4.40e-05 Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2011
6.098537 d ± 2.84e-05 Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2011
6.098537 d ± 2.84e-05 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2011
Show the remaining 1
ValueUnitUncertainty Band / methodSourceReferenceYear
6.098556 d ± 2.54e-05 Transit NASA Exoplanet Archive Q1-Q17 DR25 Supplemental KOI Table 2011

Semi-major axis 9 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.06403842 au Transit NASA Exoplanet Archive Weiss et al. 2024 2024
0.0637 au ± 0.0012 Transit NASA Exoplanet Archive Bonomo et al. 2023 2023
0.06406 au ± 0.00052 Transit NASA Exoplanet Archive Fulton & Petigura 2018 2018
0.0639 au ± 0.0019 Transit NASA Exoplanet Archive Buchhave et al. 2016 2016
0.0626 au Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2011
0.0626 au Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2011
0.063 au Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2011
0.0626 au Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2011
0.0626 au Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2011

Eccentricity 8 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0 Transit NASA Exoplanet Archive Weiss et al. 2024 2024
0.092 Transit NASA Exoplanet Archive Bonomo et al. 2023 2023
0.28 Transit NASA Exoplanet Archive Fressin et al. 2012 2012
0 Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2011
0 Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2011
0 Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2011
0 Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2011
0 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2011

Equilibrium temperature 7 values

ValueUnitUncertainty Band / methodSourceReferenceYear
1,004 K ± 14 Transit NASA Exoplanet Archive Bonomo et al. 2023 2023
1,040 K ± 22 Transit NASA Exoplanet Archive Fressin et al. 2012 2012
927 K Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2011
927 K Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2011
927 K Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2011
927 K Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2011
927 K Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2011

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
Kepler-20 d Exoplanet 0″ 12.61
Kepler-20 b Exoplanet 0″ 12.61
Kepler-20 g Exoplanet 0″ 12.61
Kepler-20 f Exoplanet 0″ 12.61
Kepler-20 c Exoplanet 0″ 12.61
Kepler-20 Star 0.4242″ 12.63
TYC 3129-770-1 Star 19.17″ 11.56
TYC 3129-1100-1 RGB* 113.7″ 11.13
TYC 3129-518-1 HorBranch* 134.9″ 11.2
2MASS J19104137+4222179 Star 137.1″ —
2MASS J19103219+4221400 Star 188.2″ —

Provenance

where this card came from
ArchiveRead at (UTC)Record
Seeded from the bulk archive load; no per-object fetch yet.

Machine-readable: /api/v1/object/kepler-20-e · Registry entry updated 2026-08-14.