4 research outputs found
Small Bodies Near and Far (SBNAF): A benchmark study on physical and thermal properties of small bodies in the Solar System
The combination of visible and thermal data from the ground and astrophysics space missions is key to improving the scientific understanding of near-Earth, main-belt, trojans, centaurs, and trans-Neptunian objects. To get full information on a small sample of selected bodies we combine different methods and techniques: lightcurve inversion, stellar occultations, thermophysical modelling, radiometric methods, radar ranging and adaptive optics imaging. The SBNAF project will derive size, spin and shape, thermal inertia, surface roughness, and in some cases bulk densities and even internal structure and composition, for objects out to the most distant regions in the Solar System. The applications to objects with ground-truth information allows us to advance the techniques beyond the current state-of-the-art and to assess the limitations of each method. We present results from our project's first phase: the analysis of combined Herschel-KeplerK2 data and Herschel-occultation data for TNOs; synergy studies on large MBAs from combined high-quality visual and thermal data; establishment of well-known asteroids as celestial calibrators for far-infrared, sub-millimetre, and millimetre projects; first results on near-Earth asteroids properties from combined lightcurve, radar and thermal measurements, as well as the Hayabusa-2 mission target characterisation. We also introduce public web-services and tools for studies of small bodies in general. © 2017 COSPARThe research leading to these results has received funding from the European Union's Horizon 2020 Research and Innovation Programme, under Grant Agreement no. 687378
Small Bodies Near and Far (SBNAF): A benchmark study on physical and thermal properties of small bodies in the Solar System
The combination of visible and thermal data from the ground and astrophysics
space missions is key to improving the scientific understanding of near-Earth,
main-belt, trojans, centaurs, and trans-Neptunian objects. To get full
information on a small sample of selected bodies we combine different methods
and techniques: lightcurve inversion, stellar occultations, thermophysical
modeling, radiometric methods, radar ranging and adaptive optics imaging. The
SBNAF project will derive size, spin and shape, thermal inertia, surface
roughness, and in some cases bulk densities and even internal structure and
composition, for objects out to the most distant regions in the Solar System.
The applications to objects with ground-truth information allows us to advance
the techniques beyond the current state-of-the-art and to assess the
limitations of each method. We present results from our project's first phase:
the analysis of combined Herschel-KeplerK2 data and Herschel-occultation data
for TNOs; synergy studies on large MBAs from combined high-quality visual and
thermal data; establishment of well-known asteroids as celestial calibrators
for far-infrared, sub-millimetre, and millimetre projects; first results on
near-Earth asteroids properties from combined lightcurve, radar and thermal
measurements, as well as the Hayabusa-2 mission target characterisation. We
also introduce public web-services and tools for studies of small bodies in
general.Comment: Accepted for publication in Advances in Space Research, 43 pages, 5
figure