The Design Reference Asteroid for the OSIRIS-REx Mission Target (101955) Bennu

摘要: The Design Reference Asteroid (DRA) is a compilation of all that known about the OSIRIS-REx mission target, asteroid (101955) Bennu. It contains our best knowledge properties Bennu based on an extensive observational campaign began shortly after its discovery, and has been used to inform plan development flight system design. DRA will also be compared with post-encounter science results determine accuracy Earth-based characterization efforts. observations in 1999 made it one best-characterized near-Earth asteroids. Many physical parameters are well determined, span number categories: Orbital, Bulk, Rotational, Radar, Photometric, Spectroscopic, Thermal, Surface Analog, Environment Properties. Some described have published peer-reviewed journals while others reviewed by Science Team members and/or external reviewers. data, such as Analog Properties, surfaces, particular those asteroids Eros Itokawa. This public release annotated version internal document OREX-DOCS-04.00-00002, Rev 9 (accepted project 2014-April-14). supplemental data products accompany official not included this release. We making available service future planners hope their