Tags: Asteroid.
1010 Marlene is an asteroid orbiting the Sun. It was discovered by German astronomer Karl Wilhelm Reinmuth on November 12 1923 and assigned a provisional designation was 1923 PF. It was later named after Marlene Dietrich with the 1010 identifier indicating the order of the minor planet discovery. Photometric measurements of the asteroid made in 2005 at the Palmer Divide Observatory showed a light curve with a period of 31.06 ± 0.02 hours and a brightness variation of 0.32 ± 0.02 in magnitude.