The WISPIT 2 System
WISPIT 2 is a planetary system in the constellation Aquila hosting 2 confirmed exoplanets, about 440 light-years from Earth.
Size Comparison: The Planets of WISPIT 2
Planets without a measured radius are not shown.
WISPIT 2: Star and Habitable Zone
WISPIT 2
- Surface temperature
- 4,400 K (Sun: 5,772 K)
- Mass
- 1.08 M☉
- Radius
- 1.42 R☉
- Luminosity
- 0.6990 L☉
- Age
- 0.0 billion years (Sun: 4.6)
Habitable zone of WISPIT 2: 0.671–1.665 AU (conservative: 0.850–1.579 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 WISPIT 2 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| WISPIT 2 b | Cold Gas Giant | — | — | — | 2025 |
| WISPIT 2 c | Hot Jupiter | — | 17.93 R⊕ | — | 2026 |
Discovery History
The first planet found here, WISPIT 2 b, was discovered in 2025 using the imaging method. The most recent addition, WISPIT 2 c, followed in 2026.
- 2025 — WISPIT 2 b (Imaging)
- 2026 — WISPIT 2 c (Imaging)
Frequently Asked Questions About WISPIT 2
How many planets does WISPIT 2 have?
WISPIT 2 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the WISPIT 2 system habitable?
None of the known planets in WISPIT 2 orbit within the star's habitable zone.
How far away is WISPIT 2?
WISPIT 2 is about 440 light-years from Earth in the constellation Aquila.
Explore the WISPIT 2 system in the app
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