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Stellar HostProfile

K2-99

G0 IV โ€ข 519.2 pc

Records

10

literature rows

Planets

2

system count

References

11

distinct source labels

TIC: TIC 176966903

Approximate color

from effective temperature

Canonical Summary

Adopted host values from all rows

Numeric fields use the median of non-null measurements. Disagreement stays visible through ranges, counts, and provenance.

Temperature

6053 K

5990 to 6217

7 values โ€ข 7 distinct

Mass

1.46 Msun

1.14 to 1.63

6 values โ€ข 6 distinct

Radius

2.66 Rsun

1.98 to 3.10

9 values โ€ข 9 distinct

Age

3.05 Gyr

2.40 to 3.70

2 values โ€ข 2 distinct

Luminosity

0.93 log(Lsun)

0.90 to 0.96

3 values โ€ข 3 distinct

Distance

519.2 pc

single adopted value

10 values โ€ข 1 distinct

Spectral Type

G0 IV

Consistent across records

G0 IV (1)

Planets

2

Stable across source rows

2

Scale Comparison

Radius against the Sun

Current adopted radius: 2.66 Rโ˜‰ โ€ข circles scaled linearly by radius

Sun

1.0 Rโ˜‰ baseline

K2-99

2.66 Rโ˜‰

System Layout

Known planets

2 planets linked to this host

K2-99 c

Radial Velocity

โ—Œ

Discovery

2022

Period

522.2 days

Radius

โ€”

Mass

2669.8 MโŠ•

Eq. Temp

390 K

K2-99 b

Transit

โ—Œ

Discovery

2016

Period

18.25 days

Radius

12.48 RโŠ•

Mass

โ€”

Eq. Temp

โ€”

Provenance

Underlying measurements and references

Evidence Summary

Rows

10

Stellar refs

10

System refs

1

Distancestable

10 values โ€ข 1 distinct

Parallaxstable

10 values โ€ข 1 distinct

Temperaturedisputed

7 values โ€ข 7 distinct

Massdisputed

6 values โ€ข 6 distinct

Radiusdisputed

9 values โ€ข 9 distinct

Agedisputed

2 values โ€ข 2 distinct

Luminositydisputed

3 values โ€ข 3 distinct

Surface Gravitydisputed

6 values โ€ข 6 distinct

Metallicitydisputed

6 values โ€ข 5 distinct

Spectral Typestable

1 values โ€ข 1 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
โ€”โ€”โ€”โ€”โ€”โ€”519.2Pope et al. 2016TICv8
5993.3โ€”2.71โ€”0.93โ€”519.2Gaia DR2TICv8
โ€”โ€”2.71โ€”โ€”โ€”519.2Kruse et al. 2019TICv8
60531.482.66โ€”โ€”โ€”519.2Howard et al. 2025TICv8
6073.31.142.73โ€”0.96โ€”519.2TICv8TICv8
59901.603.102.40โ€”G0 IV519.2Smith et al. 2017TICv8
62171.632.63โ€”โ€”โ€”519.2Livingston et al. 2018TICv8
60691.442.553.700.90โ€”519.2Smith et al. 2022TICv8
โ€”โ€”1.98โ€”โ€”โ€”519.2Petigura et al. 2018TICv8
60331.422.28โ€”โ€”โ€”519.2Mayo et al. 2018TICv8