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The 58th Session of International Astronautical Congress (IAC)

September 24-28, 2007
Hyderabad, India

Optical observations at the Zimmerwald Observatory

Tim Flohrer, Thomas Schildknecht, Carolin Fruh, Reto Musci, Martin Ploner
Astronomical Institute, University of Bern, Switzerland


Optical facilities at Zimmerwald Observatory

Zimmerwald Laser and Astrometry Telescope
Zimmerwald Small Aperture Robotic Telescope

  • Observing artificial satellites + natural bodies in the solar system
  • Build-up and maintenance of a catalogue of orbital elements
  • Timely re-acquisition of ESA space debris surveys objects
  • Characterization of selected objects (light curves, colour filters)
  • Highly automated observation
  • ZimSMART as test-bed

Current routine projects

  • Modeling and study of space debris objects with high area-to-mass ratios in high altitudes
  • Long-term monitoring and modeling of orbits of objects in GEO
  • Techniques and algorithms for build-up and maintenance of catalogues
  • Combination of optical and microwave observations of GNSS satellites
  • Support surveys for unknown objects in high altitudes
  • Study of the relation between apparent magnitude and phase function
  • Observation of natural bodies in the solar system (minor planets, comets, NEOs).

Planning, observation and processing outline

Permanent performance monitoring

Successful position measurements per month, ZIMLAT only

„Hit ratio“ for observed GNSS satellites with ZIMLAT

7 октября 2007
Доклад публикуется с разрешения авторов

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