FTV-1126, also known as Corona 9034A, was an American area survey optical reconnaissance satellite launched in 1962.

A Thor DM-21 Agena-B rocket was used, flying from Launch Complex 75-3-5 at the Vandenberg Air Force Base.

[3] Upon successfully reaching orbit, it was assigned the Harvard designation 1962 Sigma 1.

[4] The satellite had a mass of 1,150 kilograms (2,540 lb),[2] and was equipped with a frame camera with a focal length of 76 millimetres (3.0 in), which had a maximum resolution of 140 metres (460 ft).

Once its images had been returned, the inactive FTV-1126 decayed from orbit on 26 November 1963.