Temperature
5494 K
5123 to 5576
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Stellar HostProfile
Kepler-1023
Unclassified star • 694.2 pc
Records
19
literature rows
Planets
1
system count
References
15
distinct source labels
TIC: TIC 299154193
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
0.93 Msun
0.86 to 1.03
Radius
0.89 Rsun
0.81 to 1.62
Age
4.47 Gyr
4.17 to 5.30
Distance
694.2 pc
single adopted value
Planets
1
Stable across source rows
Scale Comparison
Radius against the Sun
Current adopted radius: 0.89 R☉ (circles scaled linearly by radius)
Sun
1.0 R☉ baseline
Kepler-1023
0.89 R☉
System Layout
Known planets
1 planets linked to this host
Kepler-1023 b
Transit
◌
Discovery
2016
Period
62.14 days
Radius
2.63 R⊕
Mass
—
Eq. Temp
—
Kepler-1023 b: A Neptune-like World in a Distant System
Kepler-1023 is a star located 2260 light-years away, and it hosts one known planet. The star is estimated to be 4.47 billion years old, with a mass of 0.93 solar masses and a radius of 0.89 solar radii. Its temperature is 5490 K, cooler than the Sun's, and both its mass and radius estimates are smaller than the Sun's.
The system's only known planet, Kepler-1023 b, was discovered by the transit method in 2016. A transit occurs when a planet passes in front of its star from our viewpoint, causing a small dip in observed brightness; repeated dips help establish orbital periods. Kepler-1023 b completes one orbit every 62.1 days and has a radius of 2.63 Earth radii, larger than Earth's. It is classified as Neptune-like, a size class for planets reaching up to 4 times Earth's radius.
Provenance
Underlying measurements and references
Evidence Summary
Rows
19
Stellar refs
14
System refs
1
Distancestable
Parallaxstable
Temperaturedisputed
Massdisputed
Radiusdisputed
Agedisputed
Luminositydisputed
Surface Gravitydisputed
Metallicitydisputed
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| — | — | — | — | — | — | 694.2 | Q1-Q17 DR25 Supplemental KOI Table | TICv8 |
| 5494 | 0.93 | 0.89 | 4.47 | — | — | 694.2 | Morton et al. 2016 | TICv8 |
| 5268 | 0.90 | 0.96 | — | -0.19 | — | 694.2 | TICv8 | TICv8 |
| 5576 | 1.03 | 0.93 | — | — | — | 694.2 | Q1-Q17 DR24 KOI Table | TICv8 |
| 5365 | 0.98 | 0.90 | — | — | — | 694.2 | Batalha et al. 2013 | TICv8 |
| 5576 | 1.03 | 0.93 | — | — | — | 694.2 | Q1-Q16 KOI Table | TICv8 |
| 5365 | — | 0.90 | — | — | — | 694.2 | Q1-Q6 KOI Table | TICv8 |
| 5576 | 1.03 | 0.93 | — | — | — | 694.2 | Q1-Q16 KOI Table | TICv8 |
| 5354 | 0.96 | 0.91 | 4.17 | — | — | 694.2 | Fulton & Petigura 2018 | TICv8 |
| 5434 | 0.86 | 0.81 | 5.30 | — | — | 694.2 | Q1-Q8 KOI Table | TICv8 |
| 5576 | 1.03 | 0.93 | — | — | — | 694.2 | Q1-Q12 KOI Table | TICv8 |
| 5354 | — | 0.93 | — | — | — | 694.2 | Berger et al. 2018 | TICv8 |
| — | — | — | — | — | — | 694.2 | Q1-Q17 DR25 Supplemental KOI Table | TICv8 |
| 5365 | — | 0.90 | — | — | — | 694.2 | Q1-Q6 KOI Table | TICv8 |
| 5434 | 0.86 | 0.81 | 5.30 | — | — | 694.2 | Q1-Q8 KOI Table | TICv8 |
| 5170 | — | 0.99 | — | -0.20 | — | 694.2 | Gaia DR2 | TICv8 |
| 5576 | 1.03 | 0.93 | — | — | — | 694.2 | Q1-Q12 KOI Table | TICv8 |
| 5365 | — | 0.88 | — | — | — | 694.2 | Latham et al. 2005 | TICv8 |
| 5123 | 0.94 | 1.62 | — | — | — | 694.2 | Q1-Q17 DR25 KOI Table | TICv8 |