UPSA Object Registry
Registry · exoplanet

Kepler-17 b

Exoplanet 111 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 53m 34.86s
Declination
+47° 48′ 54.0″
Galactic l, b
81.825, 10.24
Magnitude V
14.31
Distance
720.75 pc

Also known as

1 identifiers

Kepler-17b

Planet

NASA Exoplanet Archive, composite parameters
Host starKepler-17 · G5V
DiscoveryTransit, 2011 · Kepler
Orbital period1.48571 d
Semi-major axis0.02591 au
Eccentricity0.011
Radius14.68 R⊕ · 1.31 R♃
Mass778.65 M⊕ · 2.45 M♃
Density1.35 g/cm³
Equilibrium temperature1,570 K
System distance720.75 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 3 values

ValueUnitUncertainty Band / methodSourceReferenceYear
785.0401 M_earth ± 38.14 Transit NASA Exoplanet Archive Bonomo et al. 2017 2017
743.7222 M_earth ± 28.29 Transit NASA Exoplanet Archive Southworth 2012 2012
778.65 M_earth ± 34.96 Transit NASA Exoplanet Archive Désert et al. 2011 2011

Radius 12 values

ValueUnitUncertainty Band / methodSourceReferenceYear
14.339 R_earth ± 0.644 Transit NASA Exoplanet Archive Berger et al. 2018 2018
14.421 R_earth ± 0.392 Transit NASA Exoplanet Archive Fulton & Petigura 2018 2018
14.90797 R_earth ± 0.4484 Transit NASA Exoplanet Archive Bonomo et al. 2017 2017
14.65 R_earth ± 0.67 Transit NASA Exoplanet Archive Morton et al. 2016 2016
14.68379 R_earth ± 0.269 Transit NASA Exoplanet Archive Southworth 2012 2012
14.85854 R_earth ± 0.5626 Transit NASA Exoplanet Archive ExoFOP 2011
14.48 R_earth ± 0.88 Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2011
14.82 R_earth ± 0.57 Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2011
14.8 R_earth ± 0.86 Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2011
14.8 R_earth ± 0.86 Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2011
14.8 R_earth ± 0.86 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2011
14.68 R_earth ± 0.22 Transit NASA Exoplanet Archive Désert et al. 2011 2011

Orbital period 14 values

ValueUnitUncertainty Band / methodSourceReferenceYear
1.485711 d ± 1.67e-08 Transit NASA Exoplanet Archive Gajdoš et al. 2019 2019
1.485711 d ± 4.60e-08 Transit NASA Exoplanet Archive Fulton & Petigura 2018 2018
1.485711 d ± 2.10e-07 Transit NASA Exoplanet Archive Bonomo et al. 2017 2017
1.485711 d ± 3.00e-08 Transit NASA Exoplanet Archive Holczer et al. 2016 2016
1.485711 d ± 4.60e-08 Transit NASA Exoplanet Archive Morton et al. 2016 2016
1.485711 d ± 2.00e-07 Transit NASA Exoplanet Archive Southworth 2012 2012
1.485715 d ± 6.88e-06 Transit NASA Exoplanet Archive ExoFOP 2011
1.485711 d ± 9.50e-08 Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2011
1.485711 d ± 1.60e-07 Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2011
1.485711 d ± 4.60e-08 Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2011
1.485711 d ± 4.60e-08 Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2011
1.485711 d ± 4.60e-08 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2011
Show the remaining 2
ValueUnitUncertainty Band / methodSourceReferenceYear
1.485711 d ± 9.50e-08 Transit NASA Exoplanet Archive Q1-Q17 DR25 Supplemental KOI Table 2011
1.485711 d ± 2.00e-07 Transit NASA Exoplanet Archive Désert et al. 2011 2011

Semi-major axis 9 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.02613 au ± 0.00019 Transit NASA Exoplanet Archive Fulton & Petigura 2018 2018
0.0268 au ± 0.00046 Transit NASA Exoplanet Archive Bonomo et al. 2017 2017
0.02605 au ± 0.00041 Transit NASA Exoplanet Archive Southworth 2012 2012
0.0257 au Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2011
0.026 au Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2011
0.0257 au Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2011
0.0257 au Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2011
0.0257 au Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2011
0.02591 au ± 0.00037 Transit NASA Exoplanet Archive Désert et al. 2011 2011

Eccentricity 7 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.02 Transit NASA Exoplanet Archive Bonomo et al. 2017 2017
0 Transit NASA Exoplanet Archive Q1-Q17 DR25 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-Q12 KOI Table 2011
0 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2011
0.011 Transit NASA Exoplanet Archive Désert et al. 2011 2011

Equilibrium temperature 8 values

ValueUnitUncertainty Band / methodSourceReferenceYear
1,712 K ± 26 Transit NASA Exoplanet Archive Southworth 2012 2012
1,595.35 K Transit NASA Exoplanet Archive ExoFOP 2011
1,562 K Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2011
1,621 K Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2011
1,561 K Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2011
1,561 K Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2011
1,561 K Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2011
1,570 K ± 200 Transit NASA Exoplanet Archive Désert et al. 2011 2011

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
Kepler-17 Star 0.1145″ —
KOI-7351 ** 58.04″ 11.62
[DCO2008] T-Cyg1-01956 SB* 58.47″ —
2MASS J19533358+4750059 AGB* Candidate 73.15″ —
2MASS J19534035+4747591 Star 77.93″ —
KOI-3082 Star 83.79″ —
2MASS J19532036+4747302 Star 168.3″ —
2MASS J19534606+4746451 Star 171.3″ —
UCAC4 690-072925 Star 174.1″ 13.8
[SHM2017] J298.31799+47.77720 RRLyrae 231.1″ —
2MASS J19535078+4751480 Star 236.6″ —

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-17-b · Registry entry updated 2026-08-14.