Humanoid & robot atlas
ATHLETE (All-Terrain Hex-Limbed Extra-Terrestrial Explorer)
Photo: NASA/JPL, Public domain, via Wikimedia Commons
ResearchUnited StatesSupervised

NASA Jet Propulsion Laboratory · legged machine

ATHLETE

All-Terrain Hex-Limbed Extra-Terrestrial Explorer

A lunar-cargo testbed with six 6-DOF limbs, each ending in a powered wheel, built under NASA's Human-Robot Systems project. It is 2.75 m wide.

Price
—Not published
Height
200 cmTaller than 64%
Weight
850 kgHeavier than 76%
Payload
300 kgCarries more than 67%
Speed
—Not published
Battery
—Not published

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Why it matters

A six-limbed 'wheel-on-leg' rover that drives on wheels but can lock them and walk out of soft or steep ground.

Real-world use

Two identical first-generation prototypes were built in 2005; JPL says one remains operational.

Timeline

First shown
2005
Released
Not yet
First-generation prototypes built at JPL

Maker

NASA Jet Propulsion LaboratoryGovernment lab · Pasadena, California, USA

NASA; DARPA (RoboSimian)

How it stacks up

Against other legged & novel that publish the figure. Pick a measure.

Not published by the maker: speed, battery, price.

Public attention

How much public attention ATHLETE (All-Terrain Hex-Limbed Extra-Terrestrial Explorer) gets, from open data.

  • 510 views of its Wikipedia article in the last 90 days (ATHLETE)
  • No recent press stories listed yet

Measures how much people read and write about a robot, not how good it is. Measured 2026-10-13; same method for every robot. How it is measured

What’s inside

The parts the company has talked about publicly.

Movement
Wheel-legs · 42 joints
How it runs
Supervised. Operators directed it from a workstation or handheld controller while onboard software coordinated its wheel and limb motions.
Actuators & motors
Six 6-DoF limbs, each ending in a 1-DoF powered wheel; wheels lock to act as feet for walking.
Hands
Quick-disconnect tool adapters on the limbs; tools drawn from a 'tool belt' and driven by the wheel motor (drilling, gripping).
Other details
First-generation prototype about 2.75 m wide, just over 2 m tall, about 850 kg, 300 kg payload in Earth gravity. Designed for lunar cargo handling.

Lineage

Every NASA Jet Propulsion Laboratory machine in order.

  1. ATHLETE (All-Terrain Hex-Limbed Extra-Terrestrial Explorer)ATHLETE (All-Terrain Hex-Limbed Extra-Terrestrial Explorer)2005Research
  2. Tri-ATHLETE (ATHLETE second generation)Tri-ATHLETE (ATHLETE second generation)2009Research
  3. LEMUR 3 (Freeclimber)LEMUR 3 (Freeclimber)2011Research
  4. RoboSimianRoboSimian2013Retired
  5. EELS (Exobiology Extant Life Surveyor)EELS (Exobiology Extant Life Surveyor)2022Research

Made, sold and where

Unit counts are usually company figures; analysts often disagree.

Price
Not published
How to get one
No official buying page found
Built
Two identical first-generation prototypes in 2005; one still operational (JPL)
Sold or delivered
not sold
Where it is sold or used
NASA Jet Propulsion Laboratory, Pasadena, California
Customers and pilots
NASA research with Johnson and Ames centres, Stanford and Boeing

Sources

Figures come from the maker. Every link below backs something on this page.

NASA JPL Robotics The ATHLETE Rover NASA Jet Propulsion Laboratory The ATHLETE Rover www-robotics.jpl.nasa.gov ATHLETE (All-Terrain Hex-Limbed Extra-Terrestrial Explorer): how it is operated

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