Suisei Alternatives 2026 - Top Competitors Ranked

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Suisei

Suisei, meaning "comet" in Japanese, was an unmanned space probe developed by the Institute of Space and Astronautical Science. Launched in 1985, the spacecraft was tasked with observing Halley's Comet during its 1986 inner solar system passage. It carried an ultraviolet imaging system to study the...

7.84 Good

apps Top Suisei Alternatives

The top alternative to Suisei in 2026 is HTV-1 (Kounotori) with a score of 8.58/10, followed by Hayabusa2 (8.57) and SELENE (8.54).

HTV-1 (Kounotori)

HTV-1, also designated Kounotori 1, was the inaugural flight of the H-II Transfer Vehicle, an uncrewed cargo spacecraft...

Cargo 2009 Jaxa H Ii

8.58 Great

Hayabusa2

The Hayabusa2 mission, developed by JAXA, successfully collected and returned samples from the asteroid Ryugu. This acti...

Active Asteroid Jaxa Sample Return

8.57 Great

SELENE

The SELENE mission, formerly known as Kaguya, is a Japanese space exploration project operated by JAXA. It deployed an o...

Mapping Lunar Orbiter Jaxa

8.54 Great

Hinode (Solar-B)

Hinode, meaning 'sunrise,' is a solar observation satellite developed by the Japan Aerospace Exploration Agency (JAXA) i...

Solar 2006 Magnetic Field Jaxa

8.48 Great

EPOXI (Deep Impact Extended)

EPOXI was a NASA extended mission that repurposed the Deep Impact spacecraft after its primary mission to study extrasol...

2010 Nasa Comet Extended Mission

8.36 Great

Kaguya (SELENE)

Kaguya, officially named SELENE (Selenological and Engineering Explorer), was a Japanese lunar orbiter launched by the J...

High Definition Lunar 2007 Orbiter

8.33 Great

Suzaku (ASTRO-EII)

Suzaku, originally designated ASTRO-EII, was a Japanese X-ray astronomy satellite launched in 2005 and operated through...

Astronomy 2005 X Ray Jaxa

8.22 Great

Hayabusa

The Hayabusa mission, developed by JAXA, successfully retrieved microscopic samples from the asteroid Itokawa in 2010. T...

Past Asteroid Jaxa Sample Return

8.11 Great

Deep Space 1

The Deep Space 1 mission, undertaken by NASA, investigated Comet Hale-Bopp in 1998. This spacecraft demonstrated the via...

Nasa Comet Asteroid Ion Drive

8.10 Great

Arase (ERG)

Arase, also known as ERG (Exploration of energization and Radiation in Geospace), is a satellite launched by the Japan A...

2016 Plasma Magnetosphere Jaxa

8.10 Great

Stardust-NExT

Stardust-NExT was a NASA extended planetary mission that repurposed the Stardust spacecraft to conduct a flyby of Comet...

Nasa 2011 Comet Tempel 1

8.05 Great

Sakigake

Sakigake was an uncrewed space probe launched by Japan's Institute of Space and Astronautical Science in January 1985. I...

1985 Comet Halley Jaxa

7.72 Good

Kaguya

Kaguya, officially designated as SELENE (Selenological and Engineering Explorer), was a lunar orbiter mission developed...

Past Moon Orbiter Jaxa

7.71 Good

Vega 1

Vega 1 was a Soviet space probe launched in December 1984 to study Venus and Halley's Comet. In June 1985, the spacecraf...

Soviet Past Comet Venus

7.56 Good

Vega 2

Vega 2 was an unmanned Soviet space probe launched in December 1984 as part of the Venera-Halley program. The mission su...

Soviet Past Comet Venus

7.54 Good

Giotto

Giotto was a European Space Agency spacecraft launched in 1985 to investigate Halley's Comet during its 1986 return to t...

Past Comet Halley Esa

7.53 Good

IKAROS

IKAROS (Interplanetary Kite-craft Accelerated by Radiation Of the Sun) was an experimental spacecraft developed by the J...

Technology Past Venus Jaxa

7.43 Good

Yohkoh

Yohkoh, originally designated as the Solar-A mission, was a Japanese solar observation satellite launched in 1991. The s...

Solar Observatory Past X Ray

7.40 Good

MMX (Martian Moons eXploration)

The Martian Moons eXploration (MMX) is a robotic space mission currently in development by the Japan Aerospace Explorati...

2024 Mars Jaxa Sample Return

7.35 Good

SLIM

SLIM was Japan's lunar lander built by JAXA to demonstrate pinpoint landing, making Japan the fifth country to soft-land...

Precision Past Moon Lander

7.10 Good

summarize Quick Comparison Summary

Alternative	Score	vs Suisei	Action
HTV-1 (Kounotori) Space Mission Cargo 2009 Jaxa	8.58 Great	+0.74	Compare
Hayabusa2 Space Mission Active Asteroid Jaxa	8.57 Great	+0.73	Compare
SELENE Space Mission Mapping Lunar Orbiter	8.54 Great	+0.70	Compare
Hinode (Solar-B) Space Mission Solar 2006 Magnetic Field	8.48 Great	+0.64	Compare
EPOXI (Deep Impact Extended) Space Mission 2010 Nasa Comet	8.36 Great	+0.52	Compare
Kaguya (SELENE) Space Mission High Definition Lunar 2007	8.33 Great	+0.49	Compare
Suzaku (ASTRO-EII) Space Mission Astronomy 2005 X Ray	8.22 Great	+0.38	Compare
Hayabusa Space Mission Past Asteroid Jaxa	8.11 Great	+0.27	Compare
Deep Space 1 Space Mission Nasa Comet Asteroid	8.10 Great	+0.26	Compare
Arase (ERG) Space Mission 2016 Plasma Magnetosphere	8.10 Great	+0.26	Compare

See all Space Mission ranked by score

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help Frequently Asked Questions

What are the best alternatives to Suisei?

The top alternatives to Suisei in 2026 include HTV-1 (Kounotori), Hayabusa2, SELENE, Hinode (Solar-B), EPOXI (Deep Impact Extended). Each offers unique features and is objectively scored on Lunoo to help you compare.

How does Suisei compare to its competitors?

Our AI-powered comparison system analyzes features, pricing, user reviews, and expert opinions to provide objective scores. Suisei scores 7.84/10. Click any alternative above to see a detailed side-by-side comparison.

Is Suisei worth it in 2026?

Suisei scores 7.84/10 in the Space Mission 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 Suisei?

Several alternatives to Suisei 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 Suisei?

Common reasons users look for Suisei 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 Suisei are there?

Lunoo currently lists 20 scored alternatives to Suisei in the Space Mission category, ranked by our AI-powered evaluation system.

Which Suisei alternative has the highest rating?

HTV-1 (Kounotori) currently holds the highest rating among Suisei alternatives with a score of 8.58/10.

Can I use HTV-1 (Kounotori) instead of Suisei?

HTV-1 (Kounotori) is one of the top-rated alternatives to Suisei. While they serve similar purposes in the Space Mission space, each has distinct strengths. Use our comparison tool above for a detailed side-by-side analysis.

What is the cheapest alternative to Suisei?

Pricing varies among Suisei alternatives. We recommend checking each alternative's website for current pricing. Many options in the Space Mission category offer free tiers or competitive pricing.

How are Suisei 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.

Suisei vs HTV-1 (Kounotori): which is better?

Suisei scores 7.84/10 while HTV-1 (Kounotori) scores 8.58/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.

Suisei vs Hayabusa2: which is better?

Suisei scores 7.84/10 while Hayabusa2 scores 8.57/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.

Suisei vs SELENE: which is better?

Suisei scores 7.84/10 while SELENE scores 8.54/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.

swap_horiz Suisei Alternatives