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Dove 2

Dove 2 [Planet Labs]

The Dove-2 mission is a technology demonstration nanosatellite for Cosmogia Inc., later renamed Planet Labs, for remote sensing purposes based on the triple CubeSat form factor.

The Dove 2 mission is also an internal company technology demonstration experiment to test the capabilities of a low-cost spacecraft constrained to the 3U cubesat form factor to host a small payload. Dove 2 is licensed to collect images of the Earth and will undertake a short-duration experimental mission in a 575 km by 575 km orbit at an inclination of 64.9. It was launched in 2013 as a piggyback payload on a Soyuz-2-1b launch.

Dove-2 is based on the 3U cubesat form factor. Basic physical dimensions are 100 mm × 100 mm × 340 mm with a mass of approximately 6.0 kg. The Dove-2 superstructure is comprised of three 100 mm × 100 mm skeleton plates, with L rails along each 300 mm corner edge. There is one plate at each end of the structure to carry the telescope and camera mass. Additionally, there is a skeleton support structure behind the telescope to hold the required electronics. The telescope has a 90 mm apperture and a high-resolution camera, which provides a ground resolution of 4.4 m. The optical path is down the central axis of the satellite. The design includes a spring-loaded lens flap to protect the optics during launch and to mount the S-band patch antenna. Power storage is provided by Lithium-Ion cells. The batteries were recharged by solar cells mounted on the body of the satellite.

Nation: USA
Type / Application: Technology
Operator: Cosmogia Inc. → Planet Labs
Contractors: Cosmogia Inc. → Planet Labs
Equipment:
Configuration: CubeSat (3U)
Propulsion: none
Power: Solar cells, batteries
Lifetime: ~180 days
Mass: 5.8 kg
Orbit: 575 km × 575 km, 64.9 (#2)
Satellite COSPAR Date LS Launch Vehicle Remarks
Dove 2 (Dove 0405) 2013-015C 19.04.2013 Ba LC-31/6 Soyuz-2-1a with Bion-M 1, Aist-1 2, BeeSat 2, BeeSat 3, SOMP, OSSI 1

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