Original project · 2026

Complete star-system information

GJ 1002

A cool nearby star with two confirmed planets in or near its habitable zone.

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Host starGJ 1002

Nearby cool M-type red dwarf

Distance from EarthApprox. 15.8 light-years

One-way light time: 15.8 years

Worlds listed here2

2 catalog candidates flagged for habitability discussion.

Communication round trip31.6 years

Before any scientific processing or response delay.

System architecture

GJ 1002

Star typeNearby cool M-type red dwarf
ArchitectureTwo confirmed low-mass planets, GJ 1002 b and c, are represented in the catalog.
How it is observedBoth planets were found from precision stellar radial-velocity changes.
Research importanceThe system is nearby and offers two temperate candidates around the same small star.
Main uncertaintyNeither planet transits from our viewpoint, limiting radius and atmospheric measurements.
Catalog worldsGJ 1002 b and c
DetectionRadial velocity
Direct imageNo
AtmospheresUnknown

System travel calculation

How long to reach GJ 1002?

This is the approximate distance from Earth to the host star system. Every listed planet in the system is effectively at the same interstellar distance for travel estimates.

At light speed15.8 years299,792 km/s

A physical reference only. A spacecraft with mass cannot reach light speed.

At 10% of light speed158 years29,979 km/s — hypothetical

No operational spacecraft can sustain this interstellar cruise speed.

At 1% of light speed1,580 years2,998 km/s — hypothetical

Still far beyond current spacecraft propulsion.

At Parker Solar Probe peak24,642 yearsAbout 692,000 km/h

Parker reaches this speed only very close to the Sun; it is not an interstellar cruise speed.

At New Horizons launch speed291,311 yearsAbout 58,536 km/h

A comparison using a real high-energy launch from Earth.

At Voyager 1 speed278,631 yearsAbout 61,200 km/h

A practical comparison with a spacecraft already moving into interstellar space.

Catalog worlds in this system

2 listed worlds

Primary catalog source: NASA Science ↗