What are the key differences between WASP-19b and KELT-9b?

Compare WASP-19b and KELT-9b side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are WASP-19b and KELT-9b scored?

WASP-19b has an AI score of 7.8/10 and KELT-9b has an AI score of 9.5/10. Scores are based on category fit, feature coverage, pricing signals, public reception, and recency.

WASP-19b vs KELT-9b 2026 - Compared

WASP-19b

KELT-9b

WINNER KELT-9b

KELT-9b edges ahead with a score of 9.5/10 compared to 7.8/10 for WASP-19b. While both are highly rated in their respect...

KELT-9b edges ahead with a score of 9.5/10 compared to 7.8/10 for WASP-19b. While both are highly rated in their respective fields, KELT-9b demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: KELT-9b

verified Confidence: Low

description Overview

WASP-19b

WASP-19b is a hot Jupiter exoplanet with one of the shortest known orbital periods of any exoplanet, completing an orbit around its G-type host star in approximately 0.789 days, or roughly 19 hours. It was discovered by the Wide Angle Search for Planets (WASP) survey and its discovery was published in 2010. The planet's extreme proximity to its star produces high atmospheric temperatures and has m...

KELT-9b

KELT-9b is a giant exoplanet orbiting the star HD 189733A. It’s notable as the hottest known planet, boasting a dayside temperature exceeding 4,000 Kelvin – hotter than many stars. This ultrahot Jupiter was discovered by the Kentucky Extrasolar Traniting Survey (KELT) in 2017 and is of interest to astronomers studying extreme planetary atmospheres and transiting exoplanets.