Evidence was recently reported for the existence of a near-Earth belt of small, Earth-approaching asteroids (SEAs) with diameters less than \(\sim \mathbf{5 0} \mathrm{m}\). This result was based upon observations made with the Spacewatch Telescope of the University of Arizona during the course of a
Near-Earth asteroids: Surface structure and shapes
โ Scribed by I. N. Belskaya; D. F. Lupishko; A. N. Dovgopol
- Book ID
- 104627432
- Publisher
- Springer Netherlands
- Year
- 1996
- Tongue
- English
- Weight
- 233 KB
- Volume
- 72
- Category
- Article
- ISSN
- 1573-0794
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โฆ Synopsis
The available data characterizing surface properties of near-Earth objects have been analyzed
and compared with the data of large main belt asteroids.
There are no evidences of the existence of solid rock surfaces among near-Earth objects.
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Here we show results from thermal-infrared observations of km-sized binary near-Earth asteroids (NEAs). We combine previously published thermal properties for NEAs with newly derived values for three binary NEAs. The g value derived from the near-Earth asteroid thermal model (NEATM) for each object
## Abstract Besides new observations, mining old photographic plates and CCD image archives represents an opportunity to recover and secure newly discovered asteroids, also to improve the orbits of Near Earth Asteroids (NEAs), Potentially Hazardous Asteroids (PHAs) and Virtual Impactors (VIs). Thes