The LP 890-9 System
LP 890-9 is a planetary system in the constellation Eridanus hosting 2 confirmed exoplanets, about 106 light-years from Earth. One of its planets orbits within the habitable zone, where liquid water could exist on a planetary surface.
Size Comparison: The Planets of LP 890-9
LP 890-9: Star and Habitable Zone
LP 890-9
- Spectral type
- M6 V
- Surface temperature
- 2,850 K (Sun: 5,772 K)
- Mass
- 0.12 M☉
- Radius
- 0.16 R☉
- Luminosity
- 0.0014 L☉
- Age
- 7.2 billion years (Sun: 4.6)
Habitable zone of LP 890-9: 0.031–0.084 AU (conservative: 0.040–0.079 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 LP 890-9 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| LP 890-9 b | Super Earth | 2.7 d | 1.32 R⊕ | 0.56 | 2022 |
| LP 890-9 c HZ | Super Earth | 8.5 d | 1.37 R⊕ | 0.89 | 2022 |
Discovery History
The first planet found here, LP 890-9 b, was discovered in 2022 using the transit method.
- 2022 — LP 890-9 b (Transit)
- 2022 — LP 890-9 c (Transit)
Frequently Asked Questions About LP 890-9
How many planets does LP 890-9 have?
LP 890-9 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the LP 890-9 system habitable?
One planet in the system orbits within the habitable zone, where liquid water could exist. Actual habitability depends on atmospheres and composition, which are not yet known.
How far away is LP 890-9?
LP 890-9 is about 106 light-years from Earth in the constellation Eridanus.
Explore the LP 890-9 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.
