UPSA Object Registry
Registry · exoplanet

Kepler-645 b

Exoplanet 20 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 21m 17.45s
Declination
+44° 02′ 09.1″
Galactic l, b
75.781, 13.52
Magnitude V
13.94
Distance
1,173.6 pc

Also known as

1 identifiers

Kepler-645b

Planet

NASA Exoplanet Archive, composite parameters
Host starKepler-645 · F6IV
DiscoveryTransit, 2016 · Kepler
Orbital period3.27582 d
Semi-major axis0.04541 au
Eccentricity0
Radius2.1 R⊕ · 0.1873 R♃
Mass5.06 M⊕ · 0.0159 M♃
Density3 g/cm³
Equilibrium temperature1,730 K
System distance1,173.6 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 8 values

ValueUnitUncertainty Band / methodSourceReferenceYear
2.638 R_earth ± 0.088 Transit NASA Exoplanet Archive Fulton & Petigura 2018 2018
2.828 R_earth ± 0.201 Transit NASA Exoplanet Archive Berger et al. 2018 2018
3.54 R_earth ± 0.69 Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2016
2.18 R_earth ± 1.14 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2016
2.28 R_earth ± 0.84 Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2016
2.1 R_earth ± 0.63 Transit NASA Exoplanet Archive Morton et al. 2016 2016
2.18 R_earth ± 1.14 Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2016
2.18 R_earth ± 1.14 Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2016

Orbital period 10 values

ValueUnitUncertainty Band / methodSourceReferenceYear
3.275819 d ± 5.04e-06 Transit NASA Exoplanet Archive Gajdoš et al. 2019 2019
3.275823 d ± 4.77e-06 Transit NASA Exoplanet Archive Fulton & Petigura 2018 2018
3.275822 d ± 4.74e-06 Transit NASA Exoplanet Archive Q1-Q17 DR25 Supplemental KOI Table 2016
3.275815 d ± 1.81e-06 Transit NASA Exoplanet Archive Holczer et al. 2016 2016
3.275822 d ± 4.74e-06 Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2016
3.275823 d ± 4.77e-06 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2016
3.275783 d ± 1.80e-05 Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2016
3.275823 d ± 4.77e-06 Transit NASA Exoplanet Archive Morton et al. 2016 2016
3.275823 d ± 4.77e-06 Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2016
3.275823 d ± 4.77e-06 Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2016

Semi-major axis 6 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.04541 au ± 0.00054 Transit NASA Exoplanet Archive Fulton & Petigura 2018 2018
0.049 au Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2016
0.0442 au Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2016
0.046 au Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2016
0.0442 au Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2016
0.0442 au Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2016

Eccentricity 5 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0 Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2016
0 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2016
0 Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2016
0 Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2016
0 Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2016

Equilibrium temperature 5 values

ValueUnitUncertainty Band / methodSourceReferenceYear
1,730 K Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2016
1,527 K Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2016
1,545 K Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2016
1,527 K Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2016
1,527 K Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2016

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
Kepler-645 ** 0.1251″ 14
2MASS J19211921+4402049 Star 19.51″ —
2MASS J19211904+4402384 Star 34.1″ —
UCAC4 671-072058 RGB* 54.09″ 12.95
ACO 2319B ClG 123.8″ —
2MASX J19211213+4404043 GtowardsCl 128.9″ —
ATO J290.3242+43.9824 LongPeriodV* 192.3″ —
2MASS J19210998+4359144 Star 192.4″ —
BD+43 3223 ChemPec* 198.1″ 10.41
2MASS J19210755+4359144 GtowardsCl 204.7″ —
Z 230-9 RadioG 213.5″ —

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-645-b · Registry entry updated 2026-08-14.