Temperature
4957 K
4780 to 5000
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Stellar HostProfile
HD 210702
Unclassified star • 54.20 pc
Records
12
literature rows
Planets
1
system count
References
13
distinct source labels
HD: HD 210702HIP: HIP 109577TIC: TIC 456826468
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: Jofré et al. 2015 • System source: TICv8
Mass
1.58 Msun
1.29 to 1.85
Radius
4.88 Rsun
4.54 to 5.23
Age
2.10 Gyr
2.10 to 5
Luminosity
1.15 log(Lsun)
1.04 to 1.15
Distance
54.20 pc
single adopted value
Planets
1
Stable across source rows
Scale Comparison
Radius against the Sun
Current adopted radius: 4.88 R☉ (circles scaled linearly by radius)
Sun
1.0 R☉ baseline
HD 210702
4.88 R☉
System Layout
Known planets
1 planets linked to this host
HD 210702 b
Radial Velocity
◌
Discovery
2007
Period
355.5 days
Radius
—
Mass
481.5 M⊕
Eq. Temp
—
HD 210702 and Its Orbiting Planet
HD 210702 is a K1 III star 177 light-years away with one known planet. The star is 2.1 billion years old, has a mass of 1.58 solar masses and a radius of 4.88 solar radii, and a temperature of 4960 K. Its reported mass and radius estimates are larger than the Sun's, while its reported temperature is cooler than the Sun's.
HD 210702 b was discovered in 2007 by the radial velocity method. Its minimum mass is 482 Earth masses, or roughly 1.52 times Jupiter's mass, and its minimum mass is larger than Earth's. The planet completes an orbit in 356 days.
Provenance
Underlying measurements and references
Evidence Summary
Rows
12
Stellar refs
12
System refs
1
Distancestable
Parallaxstable
Temperaturedisputed
Massdisputed
Radiusdisputed
Agedisputed
Luminositydisputed
Surface Gravitydisputed
Metallicitydisputed
Spectral Typedisputed
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| — | — | — | — | — | K0 | 54.20 | Cannon & Pickering 1918 | TICv8 |
| — | — | — | — | — | — | 54.20 | Duncan et al. 1991 | TICv8 |
| 5000 | 1.71 | — | — | — | — | 54.20 | Mortier et al. 2013 | TICv8 |
| 4912 | 1.33 | 4.54 | — | 1.04 | K1 IV | 54.20 | Teng et al. 2023 | TICv8 |
| 4967 | 1.68 | 5.10 | — | 1.15 | — | 54.20 | Sato et al. 2012 | TICv8 |
| 4957 | 1.58 | 4.88 | 2.10 | 1.15 | — | 54.20 | Jofré et al. 2015 | TICv8 |
| 4859 | 1.40 | 5.20 | 3.50 | — | K1 III | 54.20 | Baines et al. 2009 | TICv8 |
| 4979.7 | — | 4.88 | — | 1.12 | — | 54.20 | Gaia DR2 | TICv8 |
| 4951 | — | 4.91 | — | — | — | 54.20 | TICv8 | TICv8 |
| — | 1.85 | — | — | — | — | 54.20 | Bowler et al. 2010 | TICv8 |
| 4951 | 1.61 | 4.92 | — | — | — | 54.20 | Luhn et al. 2019 | TICv8 |
| 4780 | 1.29 | 5.23 | 5 | 1.11 | K1 III | 54.20 | von Braun et al. 2014 | TICv8 |