UPSA Object Registry
Registry · exoplanet

Kepler-186 f

Exoplanet 95 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 54m 36.66s
Declination
+43° 57′ 18.0″
Galactic l, b
78.52, 8.171
Magnitude V
15.14
Distance
177.59 pc

Also known as

1 identifiers

Kepler-186f

Planet

NASA Exoplanet Archive, composite parameters
Host starKepler-186 · M1V
DiscoveryTransit, 2014 · Kepler
Orbital period129.944 d
Semi-major axis0.432 au
Eccentricity0.04
Radius1.17 R⊕ · 0.104 R♃
Mass1.71 M⊕ · 0.00537 M♃
Density5.87 g/cm³
Equilibrium temperature177 K
System distance177.59 pc

Published measurements

5 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.

Radius 10 values

ValueUnitUncertainty Band / methodSourceReferenceYear
1.21 R_earth ± 0.07 Transit NASA Exoplanet Archive Gaidos et al. 2024 2024
1.438 R_earth ± 0.137 Transit NASA Exoplanet Archive Berger et al. 2018 2018
1.12 R_earth ± 0.22 Transit NASA Exoplanet Archive Morton et al. 2016 2016
1.02 R_earth ± 0.16 Transit NASA Exoplanet Archive Dressing & Charbonneau 2015 2015
1.17 R_earth ± 0.08 Transit NASA Exoplanet Archive Torres et al. 2015 2015
1.11 R_earth ± 0.14 Transit NASA Exoplanet Archive Quintana et al. 2014 2014
1.06 R_earth ± 0.14 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2014
1.06 R_earth ± 0.14 Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2014
1.18 R_earth ± 0.11 Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2014
1.06 R_earth ± 0.14 Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2014

Orbital period 12 values

ValueUnitUncertainty Band / methodSourceReferenceYear
129.95 d Transit NASA Exoplanet Archive Gaidos et al. 2024 2024
129.9425 d ± 0.0005131 Transit NASA Exoplanet Archive Gajdoš et al. 2019 2019
129.9533 d ± 1.19e-05 Transit NASA Exoplanet Archive Holczer et al. 2016 2016
129.9458 d ± 0.001737 Transit NASA Exoplanet Archive Morton et al. 2016 2016
129.9419 d ± 0.00234 Transit NASA Exoplanet Archive Dressing & Charbonneau 2015 2015
129.9441 d ± 0.0013 Transit NASA Exoplanet Archive Torres et al. 2015 2015
129.9459 d ± 0.0012 Transit NASA Exoplanet Archive Quintana et al. 2014 2014
129.9458 d ± 0.001737 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2014
129.9458 d ± 0.001737 Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2014
129.9454 d ± 0.001556 Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2014
129.9458 d ± 0.001737 Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2014
129.9454 d ± 0.001556 Transit NASA Exoplanet Archive Q1-Q17 DR25 Supplemental KOI Table 2014

Semi-major axis 6 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.432 au ± 0.171 Transit NASA Exoplanet Archive Torres et al. 2015 2015
0.356 au ± 0.048 Transit NASA Exoplanet Archive Quintana et al. 2014 2014
0.3931 au Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2014
0.3931 au Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2014
0.3855 au Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2014
0.3931 au Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2014

Eccentricity 5 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.04 ± 0.07 Transit NASA Exoplanet Archive Torres et al. 2015 2015
0 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2014
0 Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2014
0 Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2014
0 Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2014

Equilibrium temperature 4 values

ValueUnitUncertainty Band / methodSourceReferenceYear
179 K Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2014
179 K Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2014
177 K Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2014
179 K Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2014

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
Kepler-186 b Exoplanet 0″ 15.14
Kepler-186 c Exoplanet 0″ 15.14
Kepler-186 d Exoplanet 0″ 15.14
Kepler-186 e Exoplanet 0″ 15.14
Kepler-186 Eruptive* 0.07566″ 15.29
PSR J1954+4347 Pulsar 27.49″ —
ASAS J195438+4355.8 LongPeriodV* 91.04″ 15.56
2MASS J19542670+4357094 Star 107.8″ —
KOI-6971.01 Planet Candidate 144.9″ —
KOI-6971 Star 144.9″ —
ASAS J195452+4358.0 LongPeriodV* 170.3″ 14.48

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-186-f · Registry entry updated 2026-08-14.