UPSA Object Registry
Registry · exoplanet

Kepler-117 c

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 15m 10.34s
Declination
+48° 02′ 24.6″
Galactic l, b
79.125, 16.11
Magnitude V
14.28
Distance
1,455.6 pc

Also known as

1 identifiers

Kepler-117c

Planet

NASA Exoplanet Archive, composite parameters
Host starKepler-117 · F2
DiscoveryTransit, 2014 · Kepler
Orbital period50.7904 d
Semi-major axis0.2804 au
Eccentricity0.0323
Radius12.341 R⊕ · 1.101 R♃
Mass584.78 M⊕ · 1.84 M♃
Density1.74 g/cm³
Equilibrium temperature704 K
System distance1,455.6 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
808 M_earth ± 32 Transit NASA Exoplanet Archive Ofir et al. 2025 2025
584.78 M_earth ± 57.21 Transit NASA Exoplanet Archive Bruno et al. 2015 2015

Radius 10 values

ValueUnitUncertainty Band / methodSourceReferenceYear
12.148 R_earth ± 0.429 Transit NASA Exoplanet Archive Fulton & Petigura 2018 2018
12.209 R_earth ± 0.627 Transit NASA Exoplanet Archive Berger et al. 2018 2018
9.94 R_earth ± 2.12 Transit NASA Exoplanet Archive Morton et al. 2016 2016
12.341 R_earth ± 0.392 Transit NASA Exoplanet Archive Bruno et al. 2015 2015
9.16 R_earth ± 5.55 Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2014
10.6 R_earth ± 1.91 Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2014
9.16 R_earth ± 5.55 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2014
11.3 R_earth ± 2.14 Transit NASA Exoplanet Archive Rowe et al. 2014 2014
8.75 R_earth ± 0.41 Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2014
9.16 R_earth ± 5.55 Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2014

Orbital period 13 values

ValueUnitUncertainty Band / methodSourceReferenceYear
50.79035 d ± 2.40e-05 Transit NASA Exoplanet Archive Ofir et al. 2025 2025
50.79039 d ± 2.22e-05 Transit NASA Exoplanet Archive Gajdoš et al. 2019 2019
50.79035 d ± 2.35e-05 Transit NASA Exoplanet Archive Fulton & Petigura 2018 2018
50.79035 d ± 2.35e-05 Transit NASA Exoplanet Archive Morton et al. 2016 2016
50.79036 d ± 8.20e-07 Transit NASA Exoplanet Archive Holczer et al. 2016 2016
50.79039 d ± 1.40e-05 Transit NASA Exoplanet Archive Bruno et al. 2015 2015
50.79035 d ± 2.35e-05 Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2014
50.79035 d ± 2.38e-05 Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2014
50.79035 d ± 2.38e-05 Transit NASA Exoplanet Archive Q1-Q17 DR25 Supplemental KOI Table 2014
50.79035 d ± 2.35e-05 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2014
50.79041 d ± 3.90e-05 Transit NASA Exoplanet Archive Rowe et al. 2014 2014
50.79056 d ± 7.00e-05 Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2014
Show the remaining 1
ValueUnitUncertainty Band / methodSourceReferenceYear
50.79035 d ± 2.35e-05 Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2014

Semi-major axis 8 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.28371 au ± 0.00354 Transit NASA Exoplanet Archive Fulton & Petigura 2018 2018
0.2804 au ± 0.0092 Transit NASA Exoplanet Archive Bruno et al. 2015 2015
0.2858 au Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2014
0.2776 au Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2014
0.2858 au Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2014
0.287 au Transit NASA Exoplanet Archive Rowe et al. 2014 2014
0.284 au Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2014
0.2858 au Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2014

Eccentricity 6 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.0323 ± 0.0033 Transit NASA Exoplanet Archive Bruno et al. 2015 2015
0 Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2014
0 Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2014
0 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2014
0 Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2014
0 Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2014

Equilibrium temperature 6 values

ValueUnitUncertainty Band / methodSourceReferenceYear
704 K ± 15 Transit NASA Exoplanet Archive Bruno et al. 2015 2015
580 K Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2014
612 K Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2014
580 K Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2014
568 K Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2014
580 K Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2014

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
Kepler-117 b Exoplanet 0″ 14.28
Kepler-117 Eruptive* 0.1612″ 14.48
2MASS J19150420+4803302 Star 89.86″ —
ROTSE1 J191511.50+480511.6 S* Candidate 166.3″ 11.83
2MASS J19145473+4800240 Star 197.5″ —
2MASS J19153142+4802090 Star 212.1″ —
2MASS J19153024+4800592 Star 217.2″ —
2MASS J19152647+4759535 Star 221.4″ —
ROTSE1 J191516.94+475914.5 delSctV* 223.7″ 12.81
2MASS J19153029+4804054 SB* 224.1″ —
2MASS J19152773+4759536 Star 230.8″ —

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-117-c · Registry entry updated 2026-08-14.