+ Minor planets discovered: 47 see

Walter R. Cooney Jr. is an American chemical engineer, amateur astronomer and discoverer of minor planets and variable stars.

Cooney, who is affiliated with the Highland Road Park Observatory, is credited by the Minor Planet Center with the discovered of 47 numbered minor planets during 1998–2005, such as his lowest numbered identification 11739 Baton Rouge, a Hildian asteroid named after the city of Baton Rouge where the discovering observatory is located.

Many of his minor planet discoveries he made in collaboration with astronomers Matthew Collier, Patrick M. Motl, Susannah Lazar, Katrina Wefel, Terry Martin, Merrill Hess, Ethan Kandler, Meredith Howard, and most recently with John Gross.

Cooney is also credited with discovering more than 50 variable stars.

List of discovered minor planets

11739 Baton Rouge September 25, 1998 15072 Landolt January 25, 1999 16107 Chanmugam November 27, 1999 20430 Stout January 10, 1999 43083 Frankconrad November 19, 1999 September 27, 1998 47045 Seandaniel November 29, 1998 November 24, 1998 49350 Katheynix November 27, 1998 December 30, 1998 53256 Sinitiere March 16, 1999 March 16, 1999 January 10, 1999 November 8, 1999 June 5, 1999 December 3, 1999 November 3, 1999 74439 Brenden February 6, 1999 December 3, 1999 79912 Terrell February 10, 1999 February 4, 2000 April 29, 2000 September 27, 1998 November 24, 1998 85878 Guzik February 13, 1999 101722 Pursell March 10, 1999 101777 Robhoskins April 13, 1999 December 29, 1999 December 29, 1999 August 13, 1999 November 3, 1999 November 3, 1999 April 27, 2000 May 9, 2000 October 13, 2004 162158 Merrillhess February 15, 1999 November 24, 1998 February 28, 2000 October 5, 2004 October 6, 2004 268115 Williamalbrecht October 7, 2004 November 24, 1998 November 3, 1999 September 13, 2005 November 9, 1999 357546 Edwardhalbach September 15, 2004 368617 Sebastianotero October 5, 2004Legend to co-discoverers: with Matthew Collier with Patrick M. Motl with Susannah Lazar with Katrina Wefel with Terry Martin with Merrill Hess with Ethan Kandler with Meredith Howard with John Gross

References