What are the key differences between WASP-43b and K2-18b?

Compare WASP-43b and K2-18b side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are WASP-43b and K2-18b scored?

WASP-43b has an AI score of 8.6/10 and K2-18b has an AI score of 9.3/10. Scores are based on category fit, feature coverage, pricing signals, public reception, and recency.

WASP-43b vs K2-18b 2026 - Compared

WASP-43b

K2-18b

WINNER K2-18b

K2-18b edges ahead with a score of 9.3/10 compared to 8.6/10 for WASP-43b. While both are highly rated in their respecti...

K2-18b edges ahead with a score of 9.3/10 compared to 8.6/10 for WASP-43b. While both are highly rated in their respective fields, K2-18b demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: K2-18b

verified Confidence: Low

description Overview

WASP-43b

WASP-43b is a hot Jupiter exoplanet discovered in 2011 by the Wide Angle Search for Planets survey. It orbits an active K-type orange dwarf star located approximately 80 light-years from Earth. The planet is notable for its extremely close orbit, completing a full revolution around its host star in just 19.5 hours. Because of this tight orbit, WASP-43b is tidally locked, meaning one side perpetual...

K2-18b

K2-18b is a sub-Neptune exoplanet orbiting the M dwarf star K2-18. Located within its star’s habitable zone, it has garnered significant attention due to potential liquid water on its surface. Scientists are studying this planet to understand atmospheric compositions and assess conditions suitable for life, particularly focusing on “hycean” environments – those potentially containing oceans and su...