Temperature
5177 K
4970.8 to 5379
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Stellar HostProfile
Kepler-417
Unclassified star • 974.0 pc
Records
21
literature rows
Planets
2
system count
References
15
distinct source labels
TIC: TIC 270705374
Approximate color
from effective temperature
Canonical Summary
Adopted host values from one source row
Values come from the row with the most populated summary measurements. Missing values stay missing. Ranges and counts describe all source rows.
Stellar source: Morton et al. 2016 • System source: TICv8
Mass
0.84 Msun
0.84 to 0.95
Radius
0.80 Rsun
0.77 to 0.83
Age
4.90 Gyr
single adopted value
Distance
974.0 pc
single adopted value
Planets
2
Stable across source rows
Scale Comparison
Radius against the Sun
Current adopted radius: 0.80 R☉ (circles scaled linearly by radius)
Sun
1.0 R☉ baseline
Kepler-417
0.80 R☉
System Layout
Known planets
2 planets linked to this host
Kepler-417 b
Transit Timing Variations
◌
Discovery
2014
Period
12.33 days
Radius
2.31 R⊕
Mass
11 M⊕
Eq. Temp
—
Kepler-417 c
Transit Timing Variations
◌
Discovery
2014
Period
15.94 days
Radius
—
Mass
—
Eq. Temp
—
Kepler-417: A Distant Star with Two Known Planets
Kepler-417 is a star located 3180 light-years away, and two planets have been found orbiting it. The host star is 4.9 billion years old, with a mass of 0.84 solar masses and a radius of 0.8 solar radii. Its temperature is 5180 K, and its reported mass, radius, and temperature are each smaller or cooler than the Sun's corresponding values.
Both planets were discovered in 2014 by the transit method. Kepler-417 b is classified as a Super-Earth, a size class that reaches 2.5 times Earth's radius. It has a radius of 2.31 Earth radii, larger than Earth's, and a mass of 11 Earth masses, also larger than Earth's. Its mean density is 4.92 g/cm³, 0.892 times Earth's. Kepler-417 c has no reported radius or mass. Its orbital period is 15.9 days, while Kepler-417 b's is 12.3 days. Among the listed planets, Kepler-417 b has the shortest year and Kepler-417 c has the longest year by reported estimates.
Provenance
Underlying measurements and references
Evidence Summary
Rows
21
Stellar refs
14
System refs
1
Distancestable
Parallaxstable
Temperaturedisputed
Massdisputed
Radiusdisputed
Agestable
Luminositydisputed
Surface Gravitydisputed
Metallicitydisputed
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| 5177 | 0.95 | 0.83 | — | — | — | 974.0 | Q1-Q8 KOI Table | TICv8 |
| 5379 | — | 0.77 | — | — | — | 974.0 | Berger et al. 2018 | TICv8 |
| 5376 | 0.90 | 0.81 | — | — | — | 974.0 | Q1-Q17 DR24 KOI Table | TICv8 |
| 5177 | 0.95 | 0.83 | — | — | — | 974.0 | Q1-Q8 KOI Table | TICv8 |
| 5177 | 0.84 | 0.79 | — | — | — | 974.0 | Batalha et al. 2013 | TICv8 |
| — | 0.90 | 0.81 | — | — | — | 974.0 | Hadden et al. 2014 | TICv8 |
| — | — | — | — | — | — | 974.0 | Q1-Q17 DR25 Supplemental KOI Table | TICv8 |
| 4970.8 | — | 0.82 | — | -0.43 | — | 974.0 | Gaia DR2 | TICv8 |
| 5376 | 0.90 | 0.81 | — | — | — | 974.0 | Q1-Q16 KOI Table | TICv8 |
| — | — | — | — | — | — | 974.0 | Q1-Q17 DR25 Supplemental KOI Table | TICv8 |
| 5151.6 | 0.87 | 0.78 | — | -0.41 | — | 974.0 | TICv8 | TICv8 |
| 5376 | 0.90 | 0.81 | — | — | — | 974.0 | Q1-Q17 DR25 KOI Table | TICv8 |
| 5376 | 0.90 | 0.81 | — | — | — | 974.0 | Q1-Q16 KOI Table | TICv8 |
| 5177 | — | 0.79 | — | — | — | 974.0 | Q1-Q6 KOI Table | TICv8 |
| 5177 | 0.84 | 0.80 | 4.90 | — | — | 974.0 | Morton et al. 2016 | TICv8 |
| 5376 | 0.90 | 0.81 | — | — | — | 974.0 | Q1-Q12 KOI Table | TICv8 |
| 5376 | 0.90 | 0.81 | — | — | — | 974.0 | Q1-Q17 DR25 KOI Table | TICv8 |
| 5376 | 0.90 | 0.81 | — | — | — | 974.0 | Q1-Q17 DR24 KOI Table | TICv8 |
| 5177 | — | 0.79 | — | — | — | 974.0 | Q1-Q6 KOI Table | TICv8 |
| 5177 | — | 0.83 | — | — | — | 974.0 | Latham et al. 2005 | TICv8 |
| 5376 | 0.90 | 0.81 | — | — | — | 974.0 | Q1-Q12 KOI Table | TICv8 |