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swap_horiz Proxima Centauri b Alternatives

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

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Proxima Centauri b

Proxima Centauri b

Proxima Centauri b is an exoplanet orbiting Proxima Centauri, the closest star to our Sun. This super-Earth resides within its star’s habitable zone, raising possibilities for liquid water on its surface. Its proximity makes it a key target for astronomical study and future investigation by scientis...

9.9 Brilliant

apps Top Proxima Centauri b Alternatives

The top alternative to Proxima Centauri b in 2026 is TRAPPIST-1e with a score of 9.8/10, followed by Kepler-186f (9.7) and TRAPPIST-1f (9.5).

1
TRAPPIST-1e

TRAPPIST-1e

TRAPPIST-1e is an Earth-sized exoplanet orbiting the ultra-cool dwarf star TRAPPIST-1. Its location within the habitable...

Transiting Earth Sized Habitable Zone Potentially Habitable
9.8 Brilliant
2
Kepler-186f

Kepler-186f

Kepler-186f is an exoplanet approximately Earth-sized orbiting the red dwarf star Kepler-186. It resides within its star...

Kepler Super Earth Earth Sized Habitable Zone
9.7 Brilliant
3
TRAPPIST-1f

TRAPPIST-1f

TRAPPIST-1f is an Earth-sized exoplanet orbiting the TRAPPIST-1 star. It resides within the habitable zone where liquid...

Transiting Earth Sized Habitable Zone Potentially Habitable
9.5 Brilliant
4
Kepler-452b

Kepler-452b

Kepler-452b is an exoplanet orbiting a G-type star approximately 1,400 light-years from Earth. It’s notable as a super-E...

Kepler Super Earth Habitable Zone Earth Cousin
9.4 Excellent
5
TRAPPIST-1g

TRAPPIST-1g

TRAPPIST-1g is an Earth-sized exoplanet orbiting the TRAPPIST-1 star. Its notable size, approximately 1.13 times that of...

Rocky Transiting Earth Sized Habitable Zone
9.4 Excellent
6
Kepler-1649c

Kepler-1649c

Kepler-1649c is an exoplanet roughly Earth-sized orbiting a red dwarf star named Kepler-1649. Its location within its st...

Kepler Super Earth Earth Sized Habitable Zone
9.3 Excellent
7
K2-18b

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 garn...

Transiting Sub Neptune Habitable Zone M Dwarf
9.3 Excellent
8
Kepler-442b

Kepler-442b

Kepler-442b is an exoplanet orbiting a cooler star approximately 1,200 light-years from Earth. Its size and position wit...

Kepler Transiting Super Earth Habitable Zone
9.1 Excellent
9
TRAPPIST-1c

TRAPPIST-1c

TRAPPIST-1c is an Earth-sized exoplanet orbiting the ultracool dwarf star TRAPPIST-1. Located within the TRAPPIST system...

Rocky Transiting Earth Sized M Dwarf
9.1 Excellent
10
Kepler-62f

Kepler-62f

Kepler-62f is an exoplanet located in the Kepler-62 system. It’s notable as a super-Earth orbiting a red dwarf star with...

Kepler Transiting Super Earth Habitable Zone
9.0 Excellent
11
Kepler-62e

Kepler-62e

Super-Earth announced in 2013 orbiting within the habitable zone of the K-type star Kepler-62; at ~1.61 Earth radii it w...

Water World Kepler Transiting Super Earth
8.8 Great
12
LHS 1140 b

LHS 1140 b

Discovered in 2017, LHS 1140 b is a super-Earth exoplanet notable for orbiting within the habitable zone of a red dwarf...

Transiting Super Earth Habitable Zone Potentially Habitable
8.7 Great
13
Kepler-69c

Kepler-69c

Super-Earth in the Kepler-69 system announced in 2013, orbiting near the inner edge of its habitable zone and considered...

Kepler Transiting Super Earth Habitable Zone
8.5 Great
14
TOI-700 d

TOI-700 d

TOI-700 d is an Earth-sized exoplanet discovered by NASA's TESS satellite in 2020, notable for being one of the few pote...

Earth Sized Habitable Zone Potentially Habitable M Dwarf
8.5 Great
15
Gliese 581 c

Gliese 581 c

Gliese 581 c is a super-Earth announced in 2007 as an early habitable-zone candidate; later analysis concluded it is lik...

Rocky Radial Velocity Super Earth M Dwarf
8.4 Great
16
Teegarden's Star b

Teegarden's Star b

Teegarden's Star b is a potentially Earth-like planet in the habitable zone of Teegarden's Star (~12.5 ly), discovered i...

Radial Velocity Nearby Habitable Zone M Dwarf
8.3 Great
17
Kepler-296e

Kepler-296e

Super-Earth confirmed in 2014 orbiting within the habitable zone of Kepler-296, a red dwarf binary system ~1,200 light-y...

Kepler Transiting Super Earth Habitable Zone
8.2 Great
18
GJ 667Cc

GJ 667Cc

GJ 667Cc is a super-Earth orbiting within the habitable zone of the M-dwarf component of the triple-star system GJ 667,...

Radial Velocity Super Earth Habitable Zone M Dwarf
8.2 Great
19
Ross 128 b

Ross 128 b

Ross 128 b is a temperate, near-Earth-mass planet orbiting red dwarf Ross 128 (~11 ly), discovered in 2017 by Xavier Bon...

Radial Velocity Nearby Super Earth Habitable Zone
8.2 Great
20
Gliese 876 b

Gliese 876 b

Gliese 876 b is a Jupiter-mass planet orbiting the nearby M-dwarf Gliese 876 ~15 light-years away, discovered in 1998, a...

Resonance Giant Cold Radial Velocity
8.1 Great

summarize Quick Comparison Summary

Alternative Score vs Proxima Centaur... Action
TRAPPIST-1e
TRAPPIST-1e
Exoplanet Transiting Earth Sized Habitable Zone
9.8 Brilliant -0.1 Compare
Kepler-186f
Kepler-186f
Exoplanet Kepler Super Earth Earth Sized
9.7 Brilliant -0.2 Compare
TRAPPIST-1f
TRAPPIST-1f
Exoplanet Transiting Earth Sized Habitable Zone
9.5 Brilliant -0.4 Compare
Kepler-452b
Kepler-452b
Exoplanet Kepler Super Earth Habitable Zone
9.4 Excellent -0.5 Compare
TRAPPIST-1g
TRAPPIST-1g
Exoplanet Rocky Transiting Earth Sized
9.4 Excellent -0.5 Compare
Kepler-1649c
Kepler-1649c
Exoplanet Kepler Super Earth Earth Sized
9.3 Excellent -0.6 Compare
K2-18b
K2-18b
Exoplanet Transiting Sub Neptune Habitable Zone
9.3 Excellent -0.6 Compare
Kepler-442b
Kepler-442b
Exoplanet Kepler Transiting Super Earth
9.1 Excellent -0.8 Compare
TRAPPIST-1c
TRAPPIST-1c
Exoplanet Rocky Transiting Earth Sized
9.1 Excellent -0.8 Compare
Kepler-62f
Kepler-62f
Exoplanet Kepler Transiting Super Earth
9.0 Excellent -0.9 Compare

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help Frequently Asked Questions

What are the best alternatives to Proxima Centauri b?
The top alternatives to Proxima Centauri b in 2026 include TRAPPIST-1e, Kepler-186f, TRAPPIST-1f, Kepler-452b, TRAPPIST-1g. Each offers unique features and is objectively scored on Lunoo to help you compare.
How does Proxima Centauri b compare to its competitors?
Our AI-powered comparison system analyzes features, pricing, user reviews, and expert opinions to provide objective scores. Proxima Centauri b scores 9.9/10. Click any alternative above to see a detailed side-by-side comparison.
Is Proxima Centauri b worth it in 2026?
Proxima Centauri b scores 9.9/10 on Lunoo, making it a highly-rated option in the Exoplanet category. However, alternatives like TRAPPIST-1e may better suit specific needs.
What is the best free alternative to Proxima Centauri b?
Several alternatives to Proxima Centauri 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 Proxima Centauri b?
Common reasons users look for Proxima Centauri 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 Proxima Centauri b are there?
Lunoo currently lists 20 scored alternatives to Proxima Centauri b in the Exoplanet category, ranked by our AI-powered evaluation system.
Which Proxima Centauri b alternative has the highest rating?
TRAPPIST-1e currently holds the highest rating among Proxima Centauri b alternatives with a score of 9.8/10.
Can I use TRAPPIST-1e instead of Proxima Centauri b?
TRAPPIST-1e is one of the top-rated alternatives to Proxima Centauri 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 Proxima Centauri b?
Pricing varies among Proxima Centauri 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 Proxima Centauri 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.
Proxima Centauri b vs TRAPPIST-1e: which is better?
Proxima Centauri b scores 9.9/10 while TRAPPIST-1e scores 9.8/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.
Proxima Centauri b vs Kepler-186f: which is better?
Proxima Centauri b scores 9.9/10 while Kepler-186f scores 9.7/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.
Proxima Centauri b vs TRAPPIST-1f: which is better?
Proxima Centauri b scores 9.9/10 while TRAPPIST-1f scores 9.5/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.

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