[12] Two nights later, the asteroid was independently discovered by South African astronomer Cyril Jackson at the Union Observatory in Johannesburg on 3 April 1937.
[5] In March 2003, a rotational lightcurve of Riviera was obtained from photometric observations by French amateur astronomers Laurent Bernasconi and Nathanaël Berger.
[10] Other lightcurves with a concurring period between 4.38 and 4.40 hours were obtained by René Roy, Horacio Correia and by a group of astronomers at the Pico dos Dias Observatory in Brazil (U=2/2/3-).
[4][6][7][8][9] The Collaborative Asteroid Lightcurve Link derives an albedo of 0.3274 and a diameter of 15.35 kilometers based on an absolute magnitude of 10.9.
[5] This minor planet was named after the French Riviera (Côte d'Azur), the Mediterranean coast in southeastern France, noted for its mild weather and where the discovering Nice Observatory is located.