The K2-99 System
K2-99 is a planetary system in the constellation Virgo hosting 2 confirmed exoplanets, about 1,694 light-years from Earth.
Size Comparison: The Planets of K2-99
Planets without a measured radius are not shown.
K2-99: Star and Habitable Zone
K2-99
- Surface temperature
- 6,069 K (Sun: 5,772 K)
- Mass
- 1.44 M☉
- Radius
- 2.55 R☉
- Luminosity
- 7.9299 L☉
- Age
- 3.7 billion years (Sun: 4.6)
Habitable zone of K2-99: 2.076–4.857 AU (conservative: 2.630–4.605 AU), per Kopparapu et al. (2014). Earth orbits the Sun at 1 AU.
See the full interactive habitable-zone view in the Exoplanet Explorer app ›
All 2 Planets in the K2-99 System
Discovery History
The first planet found here, K2-99 b, was discovered in 2016 using the transit method. The most recent addition, K2-99 c, followed in 2022.
Frequently Asked Questions About K2-99
How many planets does K2-99 have?
K2-99 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the K2-99 system habitable?
None of the known planets in K2-99 orbit within the star's habitable zone.
How far away is K2-99?
K2-99 is about 1,694 light-years from Earth in the constellation Virgo.
Explore the K2-99 system in the app
Browse, filter and compare 6,000+ exoplanets on iPhone, iPad and Apple Watch — with habitable-zone views, widgets and offline data.
