UPSA Object Registry
Registry · exoplanet

Kepler-11 b

Exoplanet 161 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 48m 27.62s
Declination
+41° 54′ 32.8″
Galactic l, b
76.161, 8.133
Magnitude V
13.82
Distance
646.35 pc

Also known as

1 identifiers

Kepler-11b

Planet

NASA Exoplanet Archive, composite parameters
Host starKepler-11 · G2V
DiscoveryTransit, 2010 · Kepler
Orbital period10.3039 d
Semi-major axis0.091 au
Eccentricity0.045
Radius1.8 R⊕ · 0.161 R♃
Mass1.9 M⊕ · 0.006 M♃
Density1.72 g/cm³
Equilibrium temperature849 K
System distance646.35 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 6 values

ValueUnitUncertainty Band / methodSourceReferenceYear
1.07 M_earth ± 0.36 Transit NASA Exoplanet Archive Ofir et al. 2025 2025
7.454492 M_earth ± 7.481 Transit NASA Exoplanet Archive Weiss et al. 2024 2024
4.3 M_earth ± 1.6 Transit NASA Exoplanet Archive Hadden et al. 2014 2014
2.18 M_earth ± 1.68 Transit NASA Exoplanet Archive Borsato et al. 2014 2014
1.9 M_earth ± 1.4 Transit NASA Exoplanet Archive Lissauer et al. 2013 2013
4.3 M_earth ± 2.2 Transit NASA Exoplanet Archive Lissauer et al. 2011 2011

Radius 12 values

ValueUnitUncertainty Band / methodSourceReferenceYear
1.92 R_earth ± 0.058 Transit NASA Exoplanet Archive Weiss et al. 2024 2024
1.92 R_earth ± 0.058 Transit NASA Exoplanet Archive Fulton & Petigura 2018 2018
1.928 R_earth ± 0.096 Transit NASA Exoplanet Archive Berger et al. 2018 2018
1.85 R_earth ± 0.13 Transit NASA Exoplanet Archive Morton et al. 2016 2016
1.71 R_earth ± 0.12 Transit NASA Exoplanet Archive Hadden et al. 2014 2014
1.8 R_earth ± 0.03 Transit NASA Exoplanet Archive Lissauer et al. 2013 2013
1.97 R_earth ± 0.19 Transit NASA Exoplanet Archive Lissauer et al. 2011 2011
1.85 R_earth ± 0.13 Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2010
1.85 R_earth ± 0.13 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2010
1.85 R_earth ± 0.13 Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2010
1.72 R_earth ± 0.31 Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2010
1.84 R_earth ± 0.12 Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2010

Orbital period 16 values

ValueUnitUncertainty Band / methodSourceReferenceYear
10.30401 d ± 1.80e-05 Transit NASA Exoplanet Archive Ofir et al. 2025 2025
10.304 d Transit NASA Exoplanet Archive Weiss et al. 2024 2024
10.30408 d ± 2.41e-05 Transit NASA Exoplanet Archive Gajdoš et al. 2019 2019
10.304 d ± 1.69e-05 Transit NASA Exoplanet Archive Fulton & Petigura 2018 2018
10.304 d ± 1.69e-05 Transit NASA Exoplanet Archive Morton et al. 2016 2016
10.30403 d ± 3.19e-06 Transit NASA Exoplanet Archive Holczer et al. 2016 2016
10.304 d Transit NASA Exoplanet Archive Hadden et al. 2014 2014
10.30448 d ± 2.00e-05 Transit NASA Exoplanet Archive Borsato et al. 2014 2014
10.3039 d ± 0.0006 Transit NASA Exoplanet Archive Lissauer et al. 2013 2013
10.30375 d ± 0.00016 Transit NASA Exoplanet Archive Lissauer et al. 2011 2011
10.30401 d ± 1.83e-05 Transit NASA Exoplanet Archive Q1-Q17 DR25 Supplemental KOI Table 2010
10.304 d ± 1.69e-05 Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2010
Show the remaining 4
ValueUnitUncertainty Band / methodSourceReferenceYear
10.304 d ± 1.69e-05 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2010
10.304 d ± 1.69e-05 Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2010
10.304 d ± 4.10e-05 Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2010
10.30401 d ± 1.83e-05 Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2010

Semi-major axis 9 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.09223651 au Transit NASA Exoplanet Archive Weiss et al. 2024 2024
0.09229 au ± 0.00106 Transit NASA Exoplanet Archive Fulton & Petigura 2018 2018
0.091 au ± 0.001 Transit NASA Exoplanet Archive Lissauer et al. 2013 2013
0.091 au ± 0.003 Transit NASA Exoplanet Archive Lissauer et al. 2011 2011
0.0903 au Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2010
0.0903 au Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2010
0.0903 au Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2010
0.092 au Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2010
0.0903 au Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2010

Eccentricity 9 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0 Transit NASA Exoplanet Archive Weiss et al. 2024 2024
0.026 ± 0.027 Transit NASA Exoplanet Archive Borsato et al. 2014 2014
0.045 ± 0.068 Transit NASA Exoplanet Archive Lissauer et al. 2013 2013
0 Transit NASA Exoplanet Archive Lissauer et al. 2011 2011
0 Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2010
0 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2010
0 Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2010
0 Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2010
0 Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2010

Equilibrium temperature 5 values

ValueUnitUncertainty Band / methodSourceReferenceYear
849 K Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2010
849 K Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2010
849 K Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2010
851 K Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2010
849 K Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2010

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
Kepler-11 g Exoplanet 0″ 13.82
Kepler-11 d Exoplanet 0″ 13.82
Kepler-11 e Exoplanet 0″ 13.82
Kepler-11 f Exoplanet 0″ 13.82
Kepler-11 c Exoplanet 0″ 13.82
Kepler-11 Eruptive* 0.11″ 13.84
2MASS J19482300+4155184 Star 68.91″ —
2MASS J19483576+4155210 Star 102.9″ —
KOI-3054 Star 121.7″ —
TYC 3144-332-1 EclBin 125.8″ 11.66
2MASS J19481541+4154246 Star 136.5″ —

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-11-b · Registry entry updated 2026-08-14.