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Physical and Mutual Orbit Characteristics of Near-Earth Binary Asteroid (163693) Atira

  • Authors: Aaron P. Deleon, Sean E. Marshall, Tracy M. Becker, Petr Pravec, Ellen S. Howell, Michael C. Nolan, Anne K. Virkki, Edgard G. Rivera-Valentín, Patrick A. Taylor, Bryce T. Bolin, Beth Aponte-Hernández, Israel Cabrera, Peter Kušnirák, Kamil Hornoch, Hana Kučáková

Aaron P. Deleon et al 2024 The Planetary Science Journal 5 .

  • Provider: AAS Journals

Caption: Figure 2.

A mosaic of delay-Doppler images with 150 m × 0.95 Hz resolution (2 μs baud length) of Atira obtained at Arecibo Observatory on 2017 January 20; time of observation progresses to the right and down. Time delay, or range, increases downward with the vertical axis, and the Doppler shift, or frequency, increases to the right. The small, radar-bright object circled in red is the secondary. Note the secondary’s decrease in range indicative of its orbit.

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