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Planet Labs Unveils Tiny Earth-Observation Satellite Family

Posted on September 12, 2013

By Mike Wall, via Planet

SEATTLE — Planet Labs has released photos of its Dove line of spacecraft, 28 of which the San Francisco-based startup plans to launch a few months from now to form the world’s largest constellation of Earth-observing satellites.

Planet Labs has been keeping a low profile since its founding in 2010, unveiling its plans for the 28-satellite “Flock 1” constellation just two months ago. But after presenting the findings of its

Dove 1 and Dove 2 demonstration missions at the 2013 Small Satellite Conference, which was held Aug. 10-15 in Logan, Utah, the company decided it was time to publish some photos of its hardware, officials said.Dove 1 and Dove 2 launched two days apart this past April, with Dove 2 hitching a ride on a Russian Soyuz rocket and its sister spacecraft getting to orbit on the first flight of the Antares rocket, which aerospace firm Orbital Sciences Corp. built to make robotic cargo runs to the international space station for NASA.

By Mike Wall, via SPACE

Both Dove 1 and Dove 2 were tiny, measuring 30 centimeters long by 10 centimeters wide by 10 centimeters deep, yet both beamed home sharp images of Earth’s surface. Dove 1 burned up in the atmosphere after less than a week on orbit because of the low altitude of the Antares test flight, but Dove 2 is still zipping around the planet.
 
The Doves that make up Flock 1 will piggyback on Antares’ first contracted cargo run to the space station, which may come as early as December. The constellation was designed to enable frequent, high-resolution and low-cost imagery of the globe that could benefit humanity in a number of ways, Planet Labs officials have said.

“To best enable this mission, the company has selected a low orbit for its constellation and an optical resolution of three to five meters — a scale that allows measurement of a tree canopy, but does not compromise individual privacy,” officials wrote in a June 26 statement announcing the Flock 1 project. “This will enable monitoring of deforestation, help improve agricultural yields, track natural disasters and many other applications.”

Planet Labs, which has raised more than $13 million from venture capital firms, has big dreams, and they are laid out for all to read on the company’s website:

“The Blue Marble is a photograph of Earth taken by Apollo 17 astronauts in 1972 and is credited with popularizing the environmental movement. What the Blue Marble did for global awareness, Planet Labs will do for global action.”

Planet Labs’ three co-founders — Chris Boshuizen, Will Marshall and Robbie Schingler — all previously worked on small-satellite projects at NASA’s Ames Research Center near Mountain View, Calif. Boshuizen and Marshall, for example, started and led Ames’ PhoneSat project, which uses off-the-shelf cellphones as the control system for tiny satellites. Three PhoneSats launched to orbit in April along with Dove 1 on Antares’ maiden flight.

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