阿波罗1862号小行星的雷达观测( Radar Observations of Asteroid 1862 Apollo )

SJ Ostro KD Rosema DB Campbell II Shapiro Experimental/ asteroids remote sensing by radar/ radar-detected near-Earth asteroid 1862 Apollo radar observations Arecibo radar echo spectra Q-class asteroid elongation pole-on silhouette average dimension disc-integrated radar properties AD 1980 11 13 to 20 0.056 to 0.097 AU 2380 MHz 400 kW 1.7 km/ A9630H Asteroids A9580D Radio, radar, and microwave astronomical observations A9635F Planetary masses, sizes gravitational fields rotation orbits/ geocentric distance 8.4E+09 to 1.5E+10 m frequency 2.38E+09 Hz power 4.0E+05 W size 1.7E+03 m

阿雷西博雷达回波谱显示，Q级小行星1862阿波罗的伸长率在1.27的10%以内，平均尺寸约为1.7公里的极点轮廓，以及雷达探测到的近地小行星典型的圆盘集成雷达特性。

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