Temperature
5963 K
5963 to 6137
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Stellar HostProfile
HD 75898
G0 • 78.05 pc
Records
9
literature rows
Planets
2
system count
References
10
distinct source labels
HD: HD 75898HIP: HIP 43674TIC: TIC 302580456
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: Ment et al. 2018 • System source: TICv8
Mass
1.26 Msun
1.09 to 1.43
Radius
1.58 Rsun
1.55 to 1.65
Age
3.56 Gyr
3.20 to 3.80
Luminosity
0.46 log(Lsun)
0.46 to 0.50
Distance
78.05 pc
single adopted value
Spectral Type
G0
Multiple classifications reported
Planets
2
Stable across source rows
Scale Comparison
Radius against the Sun
Current adopted radius: 1.58 R☉ (circles scaled linearly by radius)
Sun
1.0 R☉ baseline
HD 75898
1.58 R☉
System Layout
Known planets
2 planets linked to this host
HD 75898 b
Radial Velocity
◌
Discovery
2007
Period
422.8 days
Radius
—
Mass
810.5 M⊕
Eq. Temp
—
HD 75898 c
Radial Velocity
◌
Discovery
2024
Period
6717 days
Radius
—
Mass
2698.4 M⊕
Eq. Temp
—
HD 75898 and Its Two Known Planets
HD 75898 is a star 255 light-years away with a spectral type of G0. It hosts two known planets. The star is estimated to be 3.56 billion years old, with a mass of 1.26 solar masses and a radius of 1.58 solar radii. Its temperature is 5960 K, and its reported mass, radius, and temperature are all larger or hotter than the Sun's.
HD 75898 b was discovered in 2007 by the radial velocity method, which measures the wobble a planet's gravity induces in its star's motion. It has a minimum mass of 810 Earth masses, a lower bound on its true mass that is larger than Earth's and roughly 2.55 times Jupiter's mass. Its orbital period is 423 days, the shortest year among the listed planets.
HD 75898 c was discovered in 2024 by radial velocity. Its mass is 2700 Earth masses, larger than Earth's and roughly 8.49 times Jupiter's mass. Its orbital period is 6720 days, the longest year among the listed planets.
Provenance
Underlying measurements and references
Evidence Summary
Rows
9
Stellar refs
9
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 |
|---|---|---|---|---|---|---|---|---|
| 5963 | 1.26 | 1.58 | 3.56 | 0.46 | G0 | 78.05 | Ment et al. 2018 | TICv8 |
| 6021 | 1.28 | 1.60 | 3.80 | — | G0 V | 78.05 | Robinson et al. 2007 | TICv8 |
| 6137 | 1.25 | — | — | — | — | 78.05 | Santos et al. 2013 | TICv8 |
| 6061 | 1.43 | 1.55 | — | — | — | 78.05 | Stassun et al. 2017 | TICv8 |
| 6122 | 1.29 | — | 3.20 | — | F8 V | 78.05 | Ruggieri et al. 2024 | TICv8 |
| — | — | — | — | — | — | 78.05 | Nordstrom et al. 2004 | TICv8 |
| 6005.9 | — | 1.63 | — | 0.50 | — | 78.05 | Gaia DR2 | TICv8 |
| — | — | — | — | — | G0 | 78.05 | Cannon & Pickering 1918 | TICv8 |
| 5963 | 1.09 | 1.65 | — | 0.49 | — | 78.05 | TICv8 | TICv8 |