1968/11/22 by R. M. Goldstein · 2 citations
Physics and Astronomy · Biochemistry, Genetics and Molecular Biology · #Astro and Planetary Science #Planetary Science and Exploration #Geomagnetism and Paleomagnetism Studies
paper · doi:10.1126/science.162.3856.903
openalex publication_date 1968/11/22 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/23
Radar observations of Icarus were made in mid-June 1968, at the time of closest approach. From the data, it is estimated that the radius is between 0.3 and 0.6 kilometer and the rotation period between 1.5 and 3.3 hours. A set of round-trip Doppler shift measurements is given.