page_title: 2754 Efimov
section_title: Satellite
hierarchical_section_title: 2754 Efimov / Physical characteristics / Satellite
caption_attribution_description: Русский: Лётчики Н. Е. Попов и М. Н. Ефимов во время полетов во Франции
context_page_description: 2754 Efimov, provisionally named 1966 PD, is a stony asteroid and binary system from the inner regions of the asteroid belt, approximately 5 kilometers in diameter. It was discovered on 13 August 1966, by Russian astronomer Tamara Smirnova at the Crimean Astrophysical Observatory in Nauchnyj, on the Crimean peninsula. The asteroid was named after Russian aviator Mikhail Efimov.
context_section_description: Efimov is a binary asteroid. In 2006, astronomers discovered a minor-planet moon, designated S/2006 (2754) 1 around Efimov using lightcurve observations, with a diameter of 1.29 kilometers and an orbital period of 14 hours and 46 minutes.
caption: Mikhail Efimov (right) in 1910
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