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swap_horiz HD 189733 b Alternatives

Looking for alternatives to HD 189733 b? Compare the top Exoplanet options ranked by our AI scoring system.

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HD 189733 b

HD 189733 b

HD 189733 b is a gas giant exoplanet orbiting a Sun-like star approximately 63 light-years away. It’s notable for possessing a surprisingly detailed atmosphere, allowing scientists to study extreme weather conditions. High-speed winds composed of iron and silicate particles have been observed within...

9.4 Excellent

apps Top HD 189733 b Alternatives

The top alternative to HD 189733 b in 2026 is HD 209458 b with a score of 9.6/10, followed by KELT-9b (9.5) and Kepler-16b (9.4).

1
HD 209458 b

HD 209458 b

HD 209458 b is a giant exoplanet orbiting a Sun-like star approximately 153 light-years away. It gained significant atte...

Giant Hot Jupiter Transiting Atmosphere Detected
9.6 Brilliant
2
KELT-9b

KELT-9b

KELT-9b is a giant exoplanet orbiting the star HD 189733A. It’s notable as the hottest known planet, boasting a dayside...

Giant Hot Jupiter Transiting Ultrahot
9.5 Brilliant
3
Kepler-16b

Kepler-16b

Kepler-16b is a giant exoplanet orbiting two stars. Its notable feature is its circumbinary orbit, meaning it circles bo...

Giant Kepler Transiting Circumbinary
9.4 Excellent
4
WASP-76b

WASP-76b

WASP-76b is an exoplanet orbiting a distant star, classified as a “hot Jupiter.” Its notable characteristic is its extre...

Giant Atmosphere Hot Jupiter Transiting
9.3 Excellent
5
WASP-96b

WASP-96b

WASP-96b is a giant exoplanet orbiting a star approximately 843 light-years away. Its atmosphere was studied extensively...

Giant Atmosphere Hot Jupiter Transiting
9.2 Excellent
6
51 Pegasi b

51 Pegasi b

51 Pegasi b is a gas giant exoplanet orbiting the Sun-like star 51 Pegasi. Its discovery in 1995 marked the first confir...

Giant Pegasus Radial Velocity Hot Jupiter
9.1 Excellent
7
WASP-39b

WASP-39b

WASP-39b is a giant exoplanet orbiting a Sun-like star approximately 700 light-years away. The James Webb Space Telescop...

Giant Atmosphere Hot Jupiter Transiting
9.1 Excellent
8
WASP-12b

WASP-12b

WASP-12b is a massive exoplanet orbiting the star WASP-12. This “hot Jupiter” exhibits an exceptionally short orbital pe...

Giant Hot Jupiter Transiting Tidally Distorted
8.9 Great
9
WASP-121b

WASP-121b

WASP-121b is an exoplanet classified as a giant, resembling a hot Jupiter. Its notable characteristic is its extremely s...

Giant Atmosphere Hot Jupiter Transiting
8.8 Great
10
TrES-2b

TrES-2b

TrES-2b is a giant exoplanet orbiting the star GSC 03549-02807. It’s notable as the darkest known exoplanet, reflecting...

Giant Hot Jupiter Transiting Kepler Target
8.8 Great
11
WASP-189b

WASP-189b

WASP-189b is a giant exoplanet orbiting a young A-type star. It’s notable for being one of the hottest known exoplanets,...

Giant Hot Jupiter Transiting Ultrashort Period
8.7 Great
12
WASP-17b

WASP-17b

WASP-17b is a giant exoplanet announced in 2009 by the Wide Angle Search for Planets consortium. It holds the distinctio...

Giant Hot Jupiter Transiting Retrograde Orbit
8.6 Great
13
HAT-P-7b

HAT-P-7b

HAT-P-7b is a hot Jupiter exoplanet located in the Cygnus constellation, notable for its retrograde orbit around its hos...

Retrograde Giant Hot Jupiter Transiting
8.4 Great
14
HAT-P-32b

HAT-P-32b

HAT-P-32b is an inflated hot Jupiter exoplanet orbiting the G-type or F-type star HAT-P-32. Discovered in 2011, it is si...

Giant Inflated Hot Jupiter Transiting
7.8 Good
15
WASP-19b

WASP-19b

WASP-19b is a hot Jupiter exoplanet with one of the shortest known orbital periods of any exoplanet, completing an orbit...

Giant Hot Jupiter Transiting G Star
7.8 Good
16
KELT-11b

KELT-11b

A highly inflated hot Saturn orbiting a subgiant star with one of the lowest densities among known exoplanets, making it...

Giant Inflated Hot Jupiter Transiting
7.6 Good
17
Kepler-7b

Kepler-7b

Kepler-7b is a transiting hot Jupiter discovered during NASA's Kepler mission. It has a large radius relative to its mas...

Reflective Giant Kepler Hot Jupiter
7.4 Good
18
HAT-P-13b

HAT-P-13b

HAT-P-13b is a transiting hot Jupiter discovered by the HATNet survey and announced in 2009. It circles its Sun-like hos...

Giant Hot Jupiter Transiting Multi Planet
7.4 Good
19
WASP-79b

WASP-79b

WASP-79b is an inflated hot-Jupiter exoplanet that passes in front of its host star, allowing astronomers to study its a...

Giant Atmosphere Hot Jupiter Transiting
6.5 Fair
20
XO-1b

XO-1b

XO-1b es un exoplaneta gaseoso clasificado como Júpiter caliente, descubierto mediante el proyecto XO y confirmado en 20...

Giant Radial Velocity Hot Jupiter Transiting
5.5 Mediocre

summarize Quick Comparison Summary

Alternative Score vs HD 189733 b Action
HD 209458 b
HD 209458 b
Exoplanet Giant Hot Jupiter Transiting
9.6 Brilliant +0.2 Compare
KELT-9b
KELT-9b
Exoplanet Giant Hot Jupiter Transiting
9.5 Brilliant +0.1 Compare
Kepler-16b
Kepler-16b
Exoplanet Giant Kepler Transiting
9.4 Excellent Same Compare
WASP-76b
WASP-76b
Exoplanet Giant Atmosphere Hot Jupiter
9.3 Excellent -0.1 Compare
WASP-96b
WASP-96b
Exoplanet Giant Atmosphere Hot Jupiter
9.2 Excellent -0.2 Compare
51 Pegasi b
51 Pegasi b
Exoplanet Giant Pegasus Radial Velocity
9.1 Excellent -0.3 Compare
WASP-39b
WASP-39b
Exoplanet Giant Atmosphere Hot Jupiter
9.1 Excellent -0.3 Compare
WASP-12b
WASP-12b
Exoplanet Giant Hot Jupiter Transiting
8.9 Great -0.5 Compare
WASP-121b
WASP-121b
Exoplanet Giant Atmosphere Hot Jupiter
8.8 Great -0.6 Compare
TrES-2b
TrES-2b
Exoplanet Giant Hot Jupiter Transiting
8.8 Great -0.6 Compare

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help Frequently Asked Questions

What are the best alternatives to HD 189733 b?
The top alternatives to HD 189733 b in 2026 include HD 209458 b, KELT-9b, Kepler-16b, WASP-76b, WASP-96b. Each offers unique features and is objectively scored on Lunoo to help you compare.
How does HD 189733 b compare to its competitors?
Our AI-powered comparison system analyzes features, pricing, user reviews, and expert opinions to provide objective scores. HD 189733 b scores 9.4/10. Click any alternative above to see a detailed side-by-side comparison.
Is HD 189733 b worth it in 2026?
HD 189733 b scores 9.4/10 on Lunoo, making it a highly-rated option in the Exoplanet category. However, alternatives like HD 209458 b may better suit specific needs.
What is the best free alternative to HD 189733 b?
Several alternatives to HD 189733 b offer free plans or free tiers. Check the alternatives listed above and visit their websites to compare pricing and free options.
Why should I switch from HD 189733 b?
Common reasons users look for HD 189733 b alternatives include pricing, specific feature gaps, better integration needs, or simply exploring newer options. Our objective scoring helps you compare without bias.
How many alternatives to HD 189733 b are there?
Lunoo currently lists 20 scored alternatives to HD 189733 b in the Exoplanet category, ranked by our AI-powered evaluation system.
Which HD 189733 b alternative has the highest rating?
HD 209458 b currently holds the highest rating among HD 189733 b alternatives with a score of 9.6/10.
Can I use HD 209458 b instead of HD 189733 b?
HD 209458 b is one of the top-rated alternatives to HD 189733 b. While they serve similar purposes in the Exoplanet space, each has distinct strengths. Use our comparison tool above for a detailed side-by-side analysis.
What is the cheapest alternative to HD 189733 b?
Pricing varies among HD 189733 b alternatives. We recommend checking each alternative's website for current pricing. Many options in the Exoplanet category offer free tiers or competitive pricing.
How are HD 189733 b alternatives ranked on Lunoo?
Lunoo uses an AI-powered scoring system that analyzes category fit, feature coverage, pricing signals, public reception, recency, and value to provide 0 to 10 scores. Rankings are updated continuously.
HD 189733 b vs HD 209458 b: which is better?
HD 189733 b scores 9.4/10 while HD 209458 b scores 9.6/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.
HD 189733 b vs KELT-9b: which is better?
HD 189733 b scores 9.4/10 while KELT-9b scores 9.5/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.
HD 189733 b vs Kepler-16b: which is better?
HD 189733 b scores 9.4/10 while Kepler-16b scores 9.4/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.

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