UPSA Object Registry
Registry · exoplanet

Kepler-48 b

Exoplanet 59 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 56m 33.43s
Declination
+40° 56′ 56.2″
Galactic l, b
76.09, 6.339
Magnitude V
13.17
Distance
306.74 pc

Also known as

1 identifiers

Kepler-48b

Planet

NASA Exoplanet Archive, composite parameters
Host starKepler-48 · K0V
DiscoveryTransit, 2012 · Kepler
Orbital period4.778 d
Semi-major axis0.05394 au
Eccentricity0
Radius1.88 R⊕ · 0.1677 R♃
Mass3.94 M⊕ · 0.0124 M♃
Density3.23 g/cm³
Equilibrium temperature932 K
System distance306.74 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 4 values

ValueUnitUncertainty Band / methodSourceReferenceYear
6.609156 M_earth ± 2.833 Transit NASA Exoplanet Archive Weiss et al. 2024 2024
3.94 M_earth ± 2.1 Transit NASA Exoplanet Archive Marcy et al. 2014 2014
14.3 M_earth ± 4.3 Transit NASA Exoplanet Archive Hadden et al. 2014 2014
21.1 M_earth Transit NASA Exoplanet Archive Steffen et al. 2013 2013

Radius 12 values

ValueUnitUncertainty Band / methodSourceReferenceYear
1.855 R_earth ± 0.094 Transit NASA Exoplanet Archive Weiss et al. 2024 2024
1.79 R_earth ± 0.087 Transit NASA Exoplanet Archive Berger et al. 2018 2018
1.855 R_earth ± 0.094 Transit NASA Exoplanet Archive Fulton & Petigura 2018 2018
1.88 R_earth ± 0.16 Transit NASA Exoplanet Archive Morton et al. 2016 2016
1.88 R_earth ± 0.1 Transit NASA Exoplanet Archive Marcy et al. 2014 2014
2.05 R_earth ± 0.25 Transit NASA Exoplanet Archive Hadden et al. 2014 2014
2.14 R_earth Transit NASA Exoplanet Archive Steffen et al. 2013 2013
1.89 R_earth ± 0.23 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2012
1.89 R_earth ± 0.23 Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2012
1.89 R_earth ± 0.23 Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2012
2.14 R_earth ± 0.12 Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2012
1.85 R_earth ± 0.13 Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2012

Orbital period 14 values

ValueUnitUncertainty Band / methodSourceReferenceYear
4.778004 d Transit NASA Exoplanet Archive Weiss et al. 2024 2024
4.777996 d ± 3.03e-06 Transit NASA Exoplanet Archive Gajdoš et al. 2019 2019
4.778004 d ± 3.55e-06 Transit NASA Exoplanet Archive Fulton & Petigura 2018 2018
4.778004 d ± 3.55e-06 Transit NASA Exoplanet Archive Morton et al. 2016 2016
4.778 d ± 1.01e-06 Transit NASA Exoplanet Archive Holczer et al. 2016 2016
4.778 d Transit NASA Exoplanet Archive Marcy et al. 2014 2014
4.778 d Transit NASA Exoplanet Archive Hadden et al. 2014 2014
4.77798 d ± 1.40e-05 Transit NASA Exoplanet Archive Steffen et al. 2013 2013
4.778004 d ± 3.55e-06 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2012
4.778003 d ± 3.38e-06 Transit NASA Exoplanet Archive Q1-Q17 DR25 Supplemental KOI Table 2012
4.778004 d ± 3.55e-06 Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2012
4.778004 d ± 3.55e-06 Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2012
Show the remaining 2
ValueUnitUncertainty Band / methodSourceReferenceYear
4.777981 d ± 1.40e-05 Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2012
4.778003 d ± 3.38e-06 Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2012

Semi-major axis 7 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.05391828 au Transit NASA Exoplanet Archive Weiss et al. 2024 2024
0.05394 au ± 0.00032 Transit NASA Exoplanet Archive Fulton & Petigura 2018 2018
0.0547 au Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2012
0.0547 au Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2012
0.0547 au Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2012
0.053 au Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2012
0.0528 au Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2012

Eccentricity 6 values

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

Equilibrium temperature 5 values

ValueUnitUncertainty Band / methodSourceReferenceYear
922 K Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2012
922 K Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2012
922 K Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2012
937 K Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2012
932 K Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2012

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
Kepler-48 c Exoplanet 0″ 13.17
Kepler-48 e Exoplanet 0″ 13.17
Kepler-48 d Exoplanet 0″ 13.17
Kepler-48 f Exoplanet 0″ 13.17
Kepler-48 Eruptive* 0.377″ 13.33
2MASS J19563137+4057229 Star 35.53″ —
2MASS J19563191+4057562 Star 62.5″ —
KOI-6622 EclBin 99.75″ —
UCAC4 655-082075 HorBranch* 112.1″ 13.64
2MASS J19562168+4056217 Star 137.5″ —
UCAC4 655-082183 HorBranch* 226.6″ 13.45

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-48-b · Registry entry updated 2026-08-14.