UPSA Object Registry
Registry · exoplanet

HAT-P-7 b

Exoplanet
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 28m 59.33s
Declination
+47° 58′ 10.4″
Galactic l, b
80.033, 13.98
Magnitude V
10.48
Distance
341.08 pc

Planet

NASA Exoplanet Archive, composite parameters
Host starHAT-P-7 · F6 V
DiscoveryTransit, 2008 · HATNet
Orbital period2.20474 d
Semi-major axis0.03809 au
Eccentricity0
Radius16.926 R⊕ · 1.51 R♃
Mass584.81 M⊕ · 1.84 M♃
Density0.712 g/cm³
Equilibrium temperature2,733 K
System distance341.08 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 9 values

ValueUnitUncertainty Band / methodSourceReferenceYear
584.8043 M_earth Transit NASA Exoplanet Archive Yang et al. 2025 2025
584.8072 M_earth ± 168.4 Transit NASA Exoplanet Archive Stassun et al. 2017 2017
574.001 M_earth ± 11.44 Transit NASA Exoplanet Archive Bonomo et al. 2017 2017
534.5901 M_earth ± 6.674 Transit NASA Exoplanet Archive Wong et al. 2016 2016
566.0552 M_earth ± 25.74 Transit NASA Exoplanet Archive Esteves et al. 2015 2015
539.3575 M_earth ± 8.581 Transit NASA Exoplanet Archive Knutson et al. 2014 2014
564.442 M_earth ± 24.47 Transit NASA Exoplanet Archive Morris et al. 2013 2013
571.7762 M_earth ± 12.71 Transit NASA Exoplanet Archive Southworth 2011 2011
564.442 M_earth ± 24.47 Transit NASA Exoplanet Archive Winn et al. 2009 2009

Radius 17 values

ValueUnitUncertainty Band / methodSourceReferenceYear
16.9 R_earth Transit NASA Exoplanet Archive Yang et al. 2025 2025
16.25 R_earth ± 0.349 Transit NASA Exoplanet Archive Fulton & Petigura 2018 2018
16.416 R_earth ± 0.699 Transit NASA Exoplanet Archive Berger et al. 2018 2018
16.92559 R_earth ± 2.354 Transit NASA Exoplanet Archive Stassun et al. 2017 2017
16.92559 R_earth ± 0.2242 Transit NASA Exoplanet Archive Bonomo et al. 2017 2017
16.05 R_earth ± 0.35 Transit NASA Exoplanet Archive Morton et al. 2016 2016
16.71262 R_earth ± 0.6837 Transit NASA Exoplanet Archive Wong et al. 2016 2016
15.90557 R_earth ± 1.995 Transit NASA Exoplanet Archive Esteves et al. 2015 2015
15.043 R_earth ± 0.762 Transit NASA Exoplanet Archive Morris et al. 2013 2013
16.42119 R_earth ± 0.1793 Transit NASA Exoplanet Archive Southworth 2011 2011
15.278 R_earth ± 2.186 Transit NASA Exoplanet Archive Winn et al. 2009 2009
22.3 R_earth ± 3 Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2008
Show the remaining 5
ValueUnitUncertainty Band / methodSourceReferenceYear
16.39 R_earth ± 0.15 Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2008
16.39 R_earth ± 0.15 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2008
17.9781 R_earth ± 0.9179 Transit NASA Exoplanet Archive ExoFOP 2008
16.1 R_earth ± 0.81 Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2008
16.39 R_earth ± 0.15 Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2008

Orbital period 21 values

ValueUnitUncertainty Band / methodSourceReferenceYear
2.2 d Transit NASA Exoplanet Archive Yang et al. 2025 2025
2.204736 d ± 4.90e-08 Transit NASA Exoplanet Archive Kokori et al. 2023 2023
2.204737 d ± 1.90e-07 Transit NASA Exoplanet Archive Ivshina & Winn 2022 2022
2.204736 d ± 7.00e-07 Transit NASA Exoplanet Archive Kokori et al. 2022 2022
2.204735 d ± 3.80e-08 Transit NASA Exoplanet Archive Fulton & Petigura 2018 2018
2.20474 d ± 1.70e-05 Transit NASA Exoplanet Archive Stassun et al. 2017 2017
2.204737 d ± 1.70e-05 Transit NASA Exoplanet Archive Bonomo et al. 2017 2017
2.204735 d ± 2.00e-08 Transit NASA Exoplanet Archive Holczer et al. 2016 2016
2.204735 d ± 3.80e-08 Transit NASA Exoplanet Archive Morton et al. 2016 2016
2.204737 d ± 1.10e-06 Transit NASA Exoplanet Archive Wong et al. 2016 2016
2.204735 d ± 1.00e-07 Transit NASA Exoplanet Archive Esteves et al. 2015 2015
2.204737 d ± 1.70e-05 Transit NASA Exoplanet Archive Morris et al. 2013 2013
Show the remaining 9
ValueUnitUncertainty Band / methodSourceReferenceYear
2.20473 d ± 2.40e-06 Transit NASA Exoplanet Archive Southworth 2011 2011
2.20473 d ± 2.40e-06 Transit NASA Exoplanet Archive Winn et al. 2009 2009
2.204735 d ± 1.40e-07 Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2008
2.204735 d ± 3.80e-08 Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2008
2.204735 d ± 3.80e-08 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2008
2.204745 d ± 1.27e-05 Transit NASA Exoplanet Archive ExoFOP 2008
2.204735 d ± 4.30e-08 Transit NASA Exoplanet Archive Q1-Q17 DR25 Supplemental KOI Table 2008
2.204735 d ± 4.30e-08 Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2008
2.204735 d ± 3.80e-08 Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2008

Semi-major axis 13 values

ValueUnitUncertainty Band / methodSourceReferenceYear
3 au Transit NASA Exoplanet Archive Yang et al. 2025 2025
0.03809 au ± 0.00019 Transit NASA Exoplanet Archive Fulton & Petigura 2018 2018
0.03813 au ± 0.00036 Transit NASA Exoplanet Archive Bonomo et al. 2017 2017
0.03676 au ± 0.00019 Transit NASA Exoplanet Archive Wong et al. 2016 2016
0.0355 au ± 0.0045 Transit NASA Exoplanet Archive Esteves et al. 2015 2015
0.0377 au ± 0.0005 Transit NASA Exoplanet Archive Morris et al. 2013 2013
0.03805 au ± 0.00036 Transit NASA Exoplanet Archive Southworth 2011 2011
0.032 au ± 0.0033 Transit NASA Exoplanet Archive Winn et al. 2009 2009
0.039 au Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2008
0.0381 au Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2008
0.0381 au Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2008
0.0376 au Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2008
Show the remaining 1
ValueUnitUncertainty Band / methodSourceReferenceYear
0.0381 au Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2008

Eccentricity 14 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0 Transit NASA Exoplanet Archive Yang et al. 2025 2025
0.0016 ± 0.0034 Transit NASA Exoplanet Archive Kokori et al. 2023 2023
0 Transit NASA Exoplanet Archive Stassun et al. 2017 2017
0.004 Transit NASA Exoplanet Archive Bonomo et al. 2017 2017
0.0016 ± 0.0034 Transit NASA Exoplanet Archive Wong et al. 2016 2016
0 Transit NASA Exoplanet Archive Esteves et al. 2015 2015
0.0055 ± 0.007 Transit NASA Exoplanet Archive Knutson et al. 2014 2014
0 Transit NASA Exoplanet Archive Morris et al. 2013 2013
0.039 Transit NASA Exoplanet Archive Winn et al. 2009 2009
0 Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2008
0 Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2008
0 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2008
Show the remaining 2
ValueUnitUncertainty Band / methodSourceReferenceYear
0 Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2008
0 Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2008

Equilibrium temperature 10 values

ValueUnitUncertainty Band / methodSourceReferenceYear
2,700 K Transit NASA Exoplanet Archive Wong et al. 2016 2016
2,200 K ± 30 Transit NASA Exoplanet Archive Esteves et al. 2015 2015
2,733 K ± 21 Transit NASA Exoplanet Archive Morris et al. 2013 2013
2,194 K ± 27 Transit NASA Exoplanet Archive Southworth 2011 2011
2,303 K Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2008
2,025 K Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2008
2,025 K Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2008
2,634 K Transit NASA Exoplanet Archive ExoFOP 2008
2,048 K Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2008
2,025 K Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2008

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
HAT-P-7 Star 0″ —
BD+47 2846 EmLine* 0.3155″ 10.48
BD+47 2846b Planet 0.3155″ —
2MASS J19285475+4757548 Star 48.42″ —
UCAC4 690-068302 RGB* 92.11″ 13.87
1RXS J192850.5+475639 LongPeriodV* 123.8″ 10.46
2MASS J19284636+4758365 Star 132.9″ —
2MASS J19290787+4755533 Star 161.6″ —
2MASS J19284150+4756191 Star 210.7″ —
2MASS J19283847+4757066 Star 219″ —
UCAC4 691-066279 RGB* 224.1″ 13.16

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/hat-p-7-b · Registry entry updated 2026-08-14.