Based on the Meteor-1 bus but carried special optical instruments for the observation of lasers on Earth. The craft carried an SPD-50 electric thruster like those on Meteor-Priroda to allow its orbit to be adjusted to pass over the experiment sites. The satellite operated for two years. The detection of light sources from the ground was used by Astrofizika essentially as a navigation device, to give an accurate measurement of the ability of the ion engine to allow overflight of a precise location.

Typical orbit: 854 km circular orbit, 81.1 deg inclination. Mass: 2,750 kg (6,060 lb). Associated Launch Vehicle: Vostok 8A92M.

• 1978 December 23 - Cosmos 1066 - Launch Site: Plesetsk. Launch Vehicle: Vostok 8A92M. Mass: 2,750 kg (6,060 lb). Perigee: 819 km (508 mi). Apogee: 890 km (550 mi). Inclination: 81.20 deg. Period: 102.00 min.

  Probable failure. Investigation of the upper atmosphere and outer space.

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