UPSA Object Registry
Registry · exoplanet

Kepler-394 c

Exoplanet 22 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 45m 12.48s
Declination
+50° 40′ 20.3″
Galactic l, b
83.726, 12.8
Magnitude V
14.95
Distance
1,058.7 pc

Also known as

1 identifiers

Kepler-394c

Planet

NASA Exoplanet Archive, composite parameters
Host starKepler-394 · G2
DiscoveryTransit, 2014 · Kepler
Orbital period12.1307 d
Semi-major axis0.11 au
Eccentricity0
Radius1.66 R⊕ · 0.148 R♃
Mass3.39 M⊕ · 0.0107 M♃
Density4.07 g/cm³
Equilibrium temperature901 K
System distance1,058.7 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 9 values

ValueUnitUncertainty Band / methodSourceReferenceYear
1.487 R_earth ± 0.106 Transit NASA Exoplanet Archive Berger et al. 2018 2018
1.562 R_earth ± 0.087 Transit NASA Exoplanet Archive Fulton & Petigura 2018 2018
1.82 R_earth ± 0.6 Transit NASA Exoplanet Archive Morton et al. 2016 2016
1.81 R_earth ± 1 Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2014
1.81 R_earth ± 1 Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2014
1.7 R_earth ± 0.74 Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2014
1.66 R_earth ± 0.86 Transit NASA Exoplanet Archive Rowe et al. 2014 2014
1.61 R_earth ± 0.54 Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2014
1.81 R_earth ± 1 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2014

Orbital period 10 values

ValueUnitUncertainty Band / methodSourceReferenceYear
12.1311 d ± 0.000106 Transit NASA Exoplanet Archive Gajdoš et al. 2019 2019
12.13065 d ± 9.11e-05 Transit NASA Exoplanet Archive Fulton & Petigura 2018 2018
12.13065 d ± 9.11e-05 Transit NASA Exoplanet Archive Morton et al. 2016 2016
12.13065 d ± 9.11e-05 Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2014
12.13065 d ± 9.11e-05 Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2014
12.1307 d ± 9.62e-05 Transit NASA Exoplanet Archive Q1-Q17 DR25 Supplemental KOI Table 2014
12.13123 d ± 0.00032 Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2014
12.13069 d ± 0.00018 Transit NASA Exoplanet Archive Rowe et al. 2014 2014
12.1307 d ± 9.62e-05 Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2014
12.13065 d ± 9.11e-05 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2014

Semi-major axis 7 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.09869 au ± 0.00107 Transit NASA Exoplanet Archive Fulton & Petigura 2018 2018
0.1082 au Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2014
0.1082 au Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2014
0.109 au Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2014
0.11 au Transit NASA Exoplanet Archive Rowe et al. 2014 2014
0.108 au Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2014
0.1082 au Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2014

Eccentricity 5 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0 Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2014
0 Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2014
0 Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2014
0 Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2014
0 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2014

Equilibrium temperature 5 values

ValueUnitUncertainty Band / methodSourceReferenceYear
926 K Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2014
926 K Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2014
895 K Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2014
901 K Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2014
926 K Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2014

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
Kepler-394 d Exoplanet 0″ 14.95
Kepler-394 b Exoplanet 0″ 14.95
Kepler-394 Eruptive* 0.07591″ 14.91
UCAC4 704-066165 Star 91.7″ 15.07
2MASS J19450652+5037550 Star 155.9″ —
2MASS J19445476+5039449 Star 172.1″ —
2MASS J19450700+5043191 Star 186.3″ —
TYC 3565-249-1 HorBranch* 203.8″ 10.36
2MASS J19451465+5043512 Star 212″ —
2MASS J19453204+5042105 Star 216.2″ —
2MASS J19451274+5044023 Star 222.1″ —

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-394-c · Registry entry updated 2026-08-14.