TRAPPIST-1c Alternatives 2026 - Top Competitors Ranked

You're looking at alternatives to:

TRAPPIST-1c

TRAPPIST-1c is an Earth-sized exoplanet orbiting the ultracool dwarf star TRAPPIST-1. Located within the TRAPPIST system, it’s notable for its potential habitability due to its size and proximity to its star. The planet transits its star regularly making it a target for atmospheric study. Scientists...

9.1 Excellent

apps Top TRAPPIST-1c Alternatives

The top alternative to TRAPPIST-1c in 2026 is TRAPPIST-1e with a score of 9.8/10, followed by TRAPPIST-1f (9.5) and TRAPPIST-1g (9.4).

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

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

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

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

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

TRAPPIST-1d

TRAPPIST-1d is an Earth-sized exoplanet orbiting the TRAPPIST-1 star. It resides within the system's habitable zone, rai...

Rocky Transiting Earth Sized Habitable Zone

9.2 Excellent

TRAPPIST-1b

TRAPPIST-1b is an Earth-sized exoplanet orbiting the ultra compact M-dwarf star TRAPPIST-1. Located 39 light-years from...

Ultra Compact Transiting Earth Sized M Dwarf

8.9 Great

TRAPPIST-1h

TRAPPIST-1h is an Earth-sized exoplanet orbiting the TRAPPIST-1 star. It’s notable as the most distant planet in this sy...

Cold Transiting Earth Sized Trappist

8.7 Great

LHS 1140 b

LHS 1140 b is an exoplanet approximately seven times Earth’s mass, orbiting the M-dwarf star LHS 1140. Its location with...

Transiting Super Earth Habitable Zone Potentially Habitable

8.7 Great

CoRoT-7b

CoRoT-7b is an extrasolar planet discovered in 2009 by the French-led CoRoT space telescope, notable for being the first...

Rocky Transiting Ultrashort Period Super Earth

8.6 Great

WASP-43b

WASP-43b is a hot Jupiter exoplanet discovered in 2011 by the Wide Angle Search for Planets survey. It orbits an active...

Hot Jupiter Transiting M Dwarf Tidal Lock

8.6 Great

GJ 1214 b

GJ 1214 b is a sub-Neptune or "mini-Neptune" exoplanet discovered in 2009 orbiting a red dwarf star approximately 42 lig...

Water World Transiting Sub Neptune M Dwarf

8.5 Great

TOI-700 d

TOI-700 d is an Earth-sized exoplanet discovered in 2020 using data from NASA's Transiting Exoplanet Survey Satellite (T...

Earth Sized Habitable Zone Potentially Habitable M Dwarf

8.5 Great

Gliese 581 c

Gliese 581 c is a super-Earth exoplanet discovered in 2007 orbiting the red dwarf star Gliese 581, located about 20 ligh...

Rocky Radial Velocity Super Earth M Dwarf

8.4 Great

HD 219134 b

HD 219134 b is a rocky super-Earth exoplanet located approximately 21 light-years away in the constellation Cassiopeia....

Rocky Nearby Transiting Super Earth

8.4 Great

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

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

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

GJ 1132 b

GJ 1132 b is a transiting rocky exoplanet orbiting a nearby red dwarf approximately 40 light-years from Earth. Announced...

Rocky Transiting Super Earth M Dwarf

7.4 Good

TOI-700 b

TOI-700 b is a transiting, approximately Earth-sized exoplanet discovered by NASA's TESS mission in the TOI-700 system....

Hot Transiting Earth Sized M Dwarf

6.8 Fair

summarize Quick Comparison Summary

Alternative	Score	vs TRAPPIST-1c	Action
TRAPPIST-1e Exoplanet Transiting Earth Sized Habitable Zone	9.8 Brilliant	+0.7	Compare
TRAPPIST-1f Exoplanet Transiting Earth Sized Habitable Zone	9.5 Brilliant	+0.4	Compare
TRAPPIST-1g Exoplanet Rocky Transiting Earth Sized	9.4 Excellent	+0.3	Compare
Kepler-1649c Exoplanet Kepler Super Earth Earth Sized	9.3 Excellent	+0.2	Compare
K2-18b Exoplanet Transiting Sub Neptune Habitable Zone	9.3 Excellent	+0.2	Compare
TRAPPIST-1d Exoplanet Rocky Transiting Earth Sized	9.2 Excellent	+0.1	Compare
TRAPPIST-1b Exoplanet Ultra Compact Transiting Earth Sized	8.9 Great	-0.2	Compare
TRAPPIST-1h Exoplanet Cold Transiting Earth Sized	8.7 Great	-0.4	Compare
LHS 1140 b Exoplanet Transiting Super Earth Habitable Zone	8.7 Great	-0.4	Compare
CoRoT-7b Exoplanet Rocky Transiting Ultrashort Period	8.6 Great	-0.5	Compare

See all Exoplanet ranked by score

emoji_events View Full Exoplanet Rankings

help Frequently Asked Questions

What are the best alternatives to TRAPPIST-1c?

The top alternatives to TRAPPIST-1c in 2026 include TRAPPIST-1e, TRAPPIST-1f, TRAPPIST-1g, Kepler-1649c, K2-18b. Each offers unique features and is objectively scored on Lunoo to help you compare.

How does TRAPPIST-1c compare to its competitors?

Our AI-powered comparison system analyzes features, pricing, user reviews, and expert opinions to provide objective scores. TRAPPIST-1c scores 9.1/10. Click any alternative above to see a detailed side-by-side comparison.

Is TRAPPIST-1c worth it in 2026?

TRAPPIST-1c scores 9.1/10 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 TRAPPIST-1c?

Several alternatives to TRAPPIST-1c 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 TRAPPIST-1c?

Common reasons users look for TRAPPIST-1c 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 TRAPPIST-1c are there?

Lunoo currently lists 20 scored alternatives to TRAPPIST-1c in the Exoplanet category, ranked by our AI-powered evaluation system.

Which TRAPPIST-1c alternative has the highest rating?

TRAPPIST-1e currently holds the highest rating among TRAPPIST-1c alternatives with a score of 9.8/10.

Can I use TRAPPIST-1e instead of TRAPPIST-1c?

TRAPPIST-1e is one of the top-rated alternatives to TRAPPIST-1c. 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 TRAPPIST-1c?

Pricing varies among TRAPPIST-1c 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 TRAPPIST-1c 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.

TRAPPIST-1c vs TRAPPIST-1e: which is better?

TRAPPIST-1c scores 9.1/10 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.

TRAPPIST-1c vs TRAPPIST-1f: which is better?

TRAPPIST-1c scores 9.1/10 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.

TRAPPIST-1c vs TRAPPIST-1g: which is better?

TRAPPIST-1c scores 9.1/10 while TRAPPIST-1g scores 9.4/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.

swap_horiz TRAPPIST-1c Alternatives