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swap_horiz Kepler-138c Alternatives

Looking for alternatives to Kepler-138c? Compare the top Exoplanet options ranked by our AI scoring system.

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Kepler-138c

Kepler-138c

Kepler-138c is a super-Earth exoplanet located in the Kepler-138 system, confirmed by NASA's Kepler space telescope in 2015. It orbits its M-dwarf host star every 13.8 days and is believed to be a water world, with a significant portion of its mass consisting of water. The planet orbits in near reso...

8.4 Great

apps Top Kepler-138c Alternatives

The top alternative to Kepler-138c in 2026 is Kepler-442b with a score of 9.1/10, followed by Kepler-22b (9.0) and Kepler-62f (9.0).

1
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
2
Kepler-22b

Kepler-22b

Kepler-22b is an exoplanet orbiting a G-type star similar to our Sun. Discovered by NASA’s Kepler mission in 2011, it re...

Water World Kepler Transiting Super Earth
9.0 Excellent
3
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
4
Kepler-90i

Kepler-90i

Kepler-90i is an Earth-sized exoplanet orbiting within the habitable zone of its star, Kepler-90. Its discovery in 2017...

Machine Learning Kepler Transiting Super Earth
8.9 Great
5
Kepler-62e

Kepler-62e

Kepler-62e is an exoplanet orbiting the star Kepler-62. It’s notable as a super-Earth residing within its star's habitab...

Water World Kepler Transiting Super Earth
8.8 Great
6
Kepler-69c

Kepler-69c

Kepler-69c is a super-Earth exoplanet announced in 2013, discovered using data from NASA's now-retired Kepler space tele...

Kepler Transiting Super Earth Habitable Zone
8.5 Great
7
Kepler-47b

Kepler-47b

Kepler-47b is a transiting circumbinary exoplanet located in the Kepler-47 system, which was announced in 2012. It was p...

Kepler Transiting Neptune Class Multi Planet
8.3 Great
8
Kepler-138d

Kepler-138d

Kepler-138d is a transiting exoplanet orbiting the M-dwarf star Kepler-138 approximately 200 light-years from Earth. It...

Water World Kepler Transiting Super Earth
8.3 Great
9
Kepler-296f

Kepler-296f

Kepler-296f is a transiting exoplanet categorized as a super-Earth, located approximately 1,000 light-years away. Confir...

Kepler Transiting Super Earth Habitable Zone
8.3 Great
10
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
11
Kepler-10c

Kepler-10c

Kepler-10c is a transiting exoplanet orbiting Kepler-10, a Sun-like star also known to host the rocky planet Kepler-10b....

Rocky Kepler Transiting Super Earth
8.1 Great
12
Kepler-138b

Kepler-138b

Kepler-138b is a Mars-sized exoplanet orbiting the red dwarf star Kepler-138, located roughly 217 light-years away in th...

Kepler Transiting Multi Planet Sub Earth
8.0 Great
13
Kepler-11b

Kepler-11b

Kepler-11b is a sub-Neptune exoplanet orbiting the Sun-like star Kepler-11, approximately 2,000 light-years from Earth....

Compact System Kepler Transiting Sub Neptune
7.8 Good
14
Kepler-11c

Kepler-11c

Kepler-11c is an exoplanet orbiting the Sun-like star Kepler-11, located approximately 2,000 light-years from Earth in t...

Compact System Kepler Transiting Sub Neptune
7.7 Good
15
Kepler-11d

Kepler-11d

Third of six confirmed planets orbiting Kepler-11, part of the 2011 announcement that revealed how tightly packed planet...

Compact System Kepler Transiting Sub Neptune
7.6 Good
16
Kepler-47d

Kepler-47d

A circumbinary exoplanet discovered in 2019 using NASA's Kepler space telescope, notable for having the largest radius o...

Kepler Transiting Sub Neptune Multi Planet
7.6 Good
17
Kepler-186b

Kepler-186b

Kepler-186b es el planeta más interior conocido del sistema Kepler-186, situado alrededor de una estrella enana roja. Es...

Hot Kepler Transiting Super Earth
5.5 Mediocre
18
Kepler-186c

Kepler-186c

Second planet in the five-planet Kepler-186 system, a super-Earth completing an orbit around its M-dwarf every ~7.3 days...

Warm Kepler Transiting Super Earth
5.3 Mediocre
19
Kepler-186d

Kepler-186d

Kepler-186d is the third known planet in the Kepler-186 planetary system, which orbits a cool M-type dwarf star. It comp...

Warm Kepler Transiting Super Earth
5.2 Mediocre
20
Kepler-69b

Kepler-69b

Kepler-69b is a confirmed transiting exoplanet orbiting the star Kepler-69. The NASA Exoplanet Archive lists a radius of...

Hot Kepler Transiting Super Earth
4.8 Poor

summarize Quick Comparison Summary

Alternative Score vs Kepler-138c Action
Kepler-442b
Kepler-442b
Exoplanet Kepler Transiting Super Earth
9.1 Excellent +0.7 Compare
Kepler-22b
Kepler-22b
Exoplanet Water World Kepler Transiting
9.0 Excellent +0.6 Compare
Kepler-62f
Kepler-62f
Exoplanet Kepler Transiting Super Earth
9.0 Excellent +0.6 Compare
Kepler-90i
Kepler-90i
Exoplanet Machine Learning Kepler Transiting
8.9 Great +0.5 Compare
Kepler-62e
Kepler-62e
Exoplanet Water World Kepler Transiting
8.8 Great +0.4 Compare
Kepler-69c
Kepler-69c
Exoplanet Kepler Transiting Super Earth
8.5 Great +0.1 Compare
Kepler-47b
Kepler-47b
Exoplanet Kepler Transiting Neptune Class
8.3 Great -0.1 Compare
Kepler-138d
Kepler-138d
Exoplanet Water World Kepler Transiting
8.3 Great -0.1 Compare
Kepler-296f
Kepler-296f
Exoplanet Kepler Transiting Super Earth
8.3 Great -0.1 Compare
Kepler-296e
Kepler-296e
Exoplanet Kepler Transiting Super Earth
8.2 Great -0.2 Compare

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help Frequently Asked Questions

What are the best alternatives to Kepler-138c?
The top alternatives to Kepler-138c in 2026 include Kepler-442b, Kepler-22b, Kepler-62f, Kepler-90i, Kepler-62e. Each offers unique features and is objectively scored on Lunoo to help you compare.
How does Kepler-138c compare to its competitors?
Our AI-powered comparison system analyzes features, pricing, user reviews, and expert opinions to provide objective scores. Kepler-138c scores 8.4/10. Click any alternative above to see a detailed side-by-side comparison.
Is Kepler-138c worth it in 2026?
Kepler-138c scores 8.4/10 on Lunoo, making it a highly-rated option in the Exoplanet category. However, alternatives like Kepler-442b may better suit specific needs.
What is the best free alternative to Kepler-138c?
Several alternatives to Kepler-138c 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 Kepler-138c?
Common reasons users look for Kepler-138c 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 Kepler-138c are there?
Lunoo currently lists 20 scored alternatives to Kepler-138c in the Exoplanet category, ranked by our AI-powered evaluation system.
Which Kepler-138c alternative has the highest rating?
Kepler-442b currently holds the highest rating among Kepler-138c alternatives with a score of 9.1/10.
Can I use Kepler-442b instead of Kepler-138c?
Kepler-442b is one of the top-rated alternatives to Kepler-138c. 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 Kepler-138c?
Pricing varies among Kepler-138c 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 Kepler-138c 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.
Kepler-138c vs Kepler-442b: which is better?
Kepler-138c scores 8.4/10 while Kepler-442b scores 9.1/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.
Kepler-138c vs Kepler-22b: which is better?
Kepler-138c scores 8.4/10 while Kepler-22b scores 9.0/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.
Kepler-138c vs Kepler-62f: which is better?
Kepler-138c scores 8.4/10 while Kepler-62f scores 9.0/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.

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