Astrophysical: Asteroids

  • Publication
    Thermophysical modeling of asteroids from WISE thermal infrared data - Significance of the shape model and the pole orientation uncertainties
    In the analysis of thermal infrared data of asteroids by means of thermophysical models (TPMs) it is a common practice to neglect the uncertainty of the shape...
  • Publication
    Thermophysical properties of near-Earth asteroid (341843) 2008 EV5 from WISE data
    Aims: We derive the thermal inertia of 2008 EV5, the baseline target for the Marco Polo-R mission proposal, and infer information about the size of the...
  • Publication
    Three-axial shape distributions of pebbles, cobbles and boulders smaller than a few meters on asteroid Ryugu
    Over a broad size range, the shapes of impact fragments from catastrophic disruptions are distributed around the mean axial ratio 2: √2: 1, irrespective of...
  • News
    Touching an asteroid and coming back: OSIRIS-REx and Bennu
    This Tuesday October 20th at around 23.12 hr (Canary time) the NASA space probe OSIRIS-REx will make its first attempt to collect samples from the asteroid...
  • Publication
    V-type candidates and Vesta family asteroids in the Moving Objects VISTA (MOVIS) catalogue
    Context. Basaltic asteroids (spectrally classified as V-types) are believed to be fragments of large differentiated bodies. The majority of them are found in...
  • Publication
    Visible and near-infrared observations of asteroid 2012 DA14 during its closest approach of February 15, 2013
    Context. Near-Earth asteroid 2012 DA14 made its closest approach on February 15, 2013, when it passed at a distance of 27 700 km from the Earth's surface. It...
  • Publication
    Visible spectra of (474640) 2004 VN112-2013 RF98 with OSIRIS at the 10.4 m GTC: evidence for binary dissociation near aphelion among the extreme trans-Neptunian objects
    The existence of significant anisotropies in the distributions of the directions of perihelia and orbital poles of the known extreme trans-Neptunian objects...
  • Publication
    Visible spectroscopy of the Polana-Eulalia family complex: Spectral homogeneity
    The Polana-Eulalia family complex is located in the inner part of the asteroid belt, bounded by the ν6 and the 3:1 resonances, where we can find another three...
  • Publication
    Visible spectroscopy of the Sulamitis and Clarissa primitive families: a possible link to Erigone and Polana
    The low-inclination (i 8∘) primitive asteroid families in the inner main belt, that is, Polana-Eulalia, Erigone, Sulamitis, and Clarissa, are considered to be...