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swap_horiz HD 177830 b Alternatives

Looking for alternatives to HD 177830 b? Compare the top Exoplanet options ranked by our AI scoring system.

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HD 177830 b

HD 177830 b

Exoplanet Warm Giant Radial Velocity Habitable Zone K Star

HD 177830 b is a giant exoplanet orbiting the star HD 177830, a K-type star. It was announced in 1999 by a team led by Steven Vogt using radial-velocity observations from the Keck Observatory. The planet takes about 391 days to complete an orbit, placing its orbital period near one Earth year, and i...

6.2 Fair

apps Top HD 177830 b Alternatives

The top alternative to HD 177830 b in 2026 is 55 Cancri b with a score of 7.8/10, followed by Epsilon Eridani b (7.8) and Gliese 876 c (7.5).

1
55 Cancri b

55 Cancri b

55 Cancri b is a gas giant exoplanet orbiting the Sun-like star 55 Cancri (also designated Copernicus), located approxim...

Warm Giant Radial Velocity Multi Planet
7.8 Good
2
Epsilon Eridani b

Epsilon Eridani b

Epsilon Eridani b is a gas giant exoplanet orbiting the nearby K-type star Epsilon Eridani, located approximately 10.5 l...

Giant Cold Radial Velocity K Star
7.8 Good
3
Gliese 876 c

Gliese 876 c

Gliese 876 c is a gas giant exoplanet orbiting the red dwarf star Gliese 876, located approximately 15 light-years away...

Warm Resonance Giant Radial Velocity
7.5 Good
4
55 Cancri f

55 Cancri f

55 Cancri f is a giant exoplanet in the multiplanet system surrounding the nearby star 55 Cancri A. Discovered through r...

Warm Giant Radial Velocity Habitable Zone
7.4 Good
5
Upsilon Andromedae c

Upsilon Andromedae c

Upsilon Andromedae c is a giant exoplanet orbiting the F-type star Upsilon Andromedae. Announced in 1999 from radial-vel...

Warm Giant Radial Velocity Multi Planet
7.4 Good
6
HD 40307 g

HD 40307 g

HD 40307 g was reported in 2012 as a super-Earth candidate detected through radial-velocity measurements of the nearby K...

Radial Velocity Super Earth Habitable Zone Potentially Habitable
7.4 Good
7
HD 69830 d

HD 69830 d

HD 69830 d is an extrasolar planet orbiting the K-type orange dwarf star HD 69830, located approximately 41 light-years...

Warm Radial Velocity Neptune Class Habitable Zone
7.3 Good
8
HD 114762 b

HD 114762 b

HD 114762 b is a long-period companion detected from radial-velocity measurements of the star HD 114762 and reported by...

Warm Giant Radial Velocity F Star
6.8 Fair
9
HD 219134 d

HD 219134 d

HD 219134 d is an extrasolar planet orbiting the nearby K-type star HD 219134 in the constellation Cassiopeia, about 21...

Warm Radial Velocity Nearby Super Earth
6.8 Fair
10
HD 37124 b

HD 37124 b

HD 37124 b is a giant exoplanet orbiting the Sun-like star HD 37124, located roughly 100 light-years from Earth. It was...

Warm Giant Radial Velocity Multi Planet
6.6 Fair
11
HD 28185 b

HD 28185 b

HD 28185 b is a giant exoplanet orbiting the Sun-like star HD 28185 in the constellation Eridanus. Its orbit takes about...

Warm Giant Radial Velocity Habitable Zone
6.6 Fair
12
HD 160691 b

HD 160691 b

HD 160691 b is a giant exoplanet orbiting the nearby G-type star mu Arae, also designated HD 160691. It was the first co...

Warm Giant Radial Velocity Multi Planet
6.6 Fair
13
HD 40307 c

HD 40307 c

HD 40307 c is a super-Earth-mass exoplanet orbiting the K-type star HD 40307. It was announced in 2008 from radial-veloc...

Warm Radial Velocity Super Earth Multi Planet
6.5 Fair
14
HD 128311 b

HD 128311 b

HD 128311 b is a gas-giant exoplanet orbiting the K-type star HD 128311, about 53 light-years from Earth. It was detecte...

Warm Giant Radial Velocity Multi Planet
6.5 Fair
15
HD 3651 b

HD 3651 b

HD 3651 b is a giant exoplanet discovered through radial-velocity observations of the K-type star HD 3651. Reported in 2...

Warm Giant Eccentric Radial Velocity
6.4 Fair
16
HD 27442 b

HD 27442 b

HD 27442 b is a giant exoplanet orbiting Epsilon Reticuli, the subgiant star also designated HD 27442. It has a mass com...

Warm Giant Radial Velocity Habitable Zone
6.4 Fair
17
HD 192263 b

HD 192263 b

HD 192263 b is a giant exoplanet orbiting the K-type star HD 192263. It completes one orbit in roughly 24 days and was i...

Warm Giant Radial Velocity K Star
6.2 Fair
18
HD 160691 e

HD 160691 e

HD 160691 e is one of the planets associated with the mu Arae system, which orbits the nearby solar-type star HD 160691...

Warm Giant Radial Velocity Habitable Zone
6.2 Fair
19
HD 108874 b

HD 108874 b

HD 108874 b is a gas-giant exoplanet orbiting the G-type star HD 108874. It was discovered through the radial-velocity m...

Warm Giant Radial Velocity Habitable Zone
6.2 Fair
20
HD 99109 b

HD 99109 b

HD 99109 b is a confirmed exoplanet orbiting the K-type star HD 99109. It is a gas giant with a mass comparable to Satur...

Warm Giant Eccentric Radial Velocity
5.6 Mediocre

summarize Quick Comparison Summary

Alternative Score vs HD 177830 b Action
55 Cancri b
55 Cancri b
Exoplanet Warm Giant Radial Velocity
7.8 Good +1.6 Compare
Epsilon Eridani b
Epsilon Eridani b
Exoplanet Giant Cold Radial Velocity
7.8 Good +1.6 Compare
Gliese 876 c
Gliese 876 c
Exoplanet Warm Resonance Giant
7.5 Good +1.3 Compare
55 Cancri f
55 Cancri f
Exoplanet Warm Giant Radial Velocity
7.4 Good +1.2 Compare
Upsilon Andromedae c
Upsilon Andromedae c
Exoplanet Warm Giant Radial Velocity
7.4 Good +1.2 Compare
HD 40307 g
HD 40307 g
Exoplanet Radial Velocity Super Earth Habitable Zone
7.4 Good +1.2 Compare
HD 69830 d
HD 69830 d
Exoplanet Warm Radial Velocity Neptune Class
7.3 Good +1.1 Compare
HD 114762 b
HD 114762 b
Exoplanet Warm Giant Radial Velocity
6.8 Fair +0.6 Compare
HD 219134 d
HD 219134 d
Exoplanet Warm Radial Velocity Nearby
6.8 Fair +0.6 Compare
HD 37124 b
HD 37124 b
Exoplanet Warm Giant Radial Velocity
6.6 Fair +0.4 Compare

See all Exoplanet ranked by score

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help Frequently Asked Questions

What are the best alternatives to HD 177830 b?
The top alternatives to HD 177830 b in 2026 include 55 Cancri b, Epsilon Eridani b, Gliese 876 c, 55 Cancri f, Upsilon Andromedae c. Each offers unique features and is objectively scored on Lunoo to help you compare.
How does HD 177830 b compare to its competitors?
Our AI-powered comparison system analyzes features, pricing, user reviews, and expert opinions to provide objective scores. HD 177830 b scores 6.2/10. Click any alternative above to see a detailed side-by-side comparison.
Is HD 177830 b worth it in 2026?
HD 177830 b scores 6.2/10 in the Exoplanet category. We recommend comparing it with the 20 alternatives listed above to find the best fit for your needs.
What is the best free alternative to HD 177830 b?
Several alternatives to HD 177830 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 177830 b?
Common reasons users look for HD 177830 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 177830 b are there?
Lunoo currently lists 20 scored alternatives to HD 177830 b in the Exoplanet category, ranked by our AI-powered evaluation system.
Which HD 177830 b alternative has the highest rating?
55 Cancri b currently holds the highest rating among HD 177830 b alternatives with a score of 7.8/10.
Can I use 55 Cancri b instead of HD 177830 b?
55 Cancri b is one of the top-rated alternatives to HD 177830 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 177830 b?
Pricing varies among HD 177830 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 177830 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 177830 b vs 55 Cancri b: which is better?
HD 177830 b scores 6.2/10 while 55 Cancri b scores 7.8/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.
HD 177830 b vs Epsilon Eridani b: which is better?
HD 177830 b scores 6.2/10 while Epsilon Eridani b scores 7.8/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.
HD 177830 b vs Gliese 876 c: which is better?
HD 177830 b scores 6.2/10 while Gliese 876 c scores 7.5/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.

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Warm Giant Radial Velocity Exoplanet Habitable Zone K Star

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