Author/Authors :
Ostro، نويسنده , , Steven J. and Rosema، نويسنده , , Keith D. and Campbell، نويسنده , , Donald B. and Shapiro، نويسنده , , Irwin I. Shapiro، نويسنده ,
Abstract :
Arecibo radar echo spectra show the Q-class asteroid 1862 Apollo to have an elongation within 10% of 1.27, a pole-on silhouette with an average dimension of about 1.7 km, and disc-integrated radar properties that are typical for radar-detected near-Earth asteroids.
