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UAO-DLR Asteroid Survey (U.D.A.S.)
U.D.A.S. is a dedicated programme to search and follow-up asteroids and comets, with special
emphasis on NEO's in cooperation and support of global efforts in NEO-research,
initiated by the WGNEO of the IAU,
and the Spaceguard Foundation.
It is also a kind of follow-on programme to O.D.A.S.,
which had to close due to lack of further financial support.
It is operated at the 1m
Schmidt-telescope of the UAO at Kvistaberg, some 50 km south of Uppsala
in Sweden, as a joint venture between the
Uppsala Astronomical Observatory - UAO, Uppsala, Sweden and the
DLR - Institute of Space Sensor Technology and Planetary
Exploration, Berlin-Adlershof, Germany. The current system uses a 2k CCD camera in combination
with an automated asteroid detection software package.
U.D.A.S. began regular observations in September 1999, with some test run during 1998.
Discoveries of NEOs are reported to
the Minor Planet Center, whose
NEO Confirmation Page contains newly discovered objects which require confirmation by
further observations.
Currently the main emphasis is on recovery of NEOs and other asteroids and comets in need of further
astrometric observations to improve and secure their orbits. Through a close cooperation with the
DANEOPS Project
which is mainly concerned with searching plate
archives for pre-discovery observations of NEOs, we perform recovery and/or
confirmation observations based on ephemerides produced from DANEOPS predictions.
U.D.A.S. discovered its first NEO 
Discovery images of the Amor asteroid 2001 FX9
taken on March 21, 2001.
First Numbered U.D.A.S. discovered asteroid
(13437)* 1999 WF8 = 1977 RP17 = 1997 AX20 = 1998 MS20
MPC 37 607
The asteroid has been named in honour of our sponsors. The
official citation has been published in the July 26
batch of the Minor Planet Circulars.
Discovery images of 1999 WF8 taken on November 28, 1999.
U.D.A.S. Team
at Uppsala/Kvistaberg
Claes-Ingvar Lagerkvist (scientific PI)
Tarmo Oja (observations)
Ola Karlsson (observations)
Johan Warell (operations)
at DLR Berlin-Adlershof
Gerhard Hahn (scientific PI)
Stefano Mottola (CCD camera development and data acquisition )
Anders Erikson
involved in the project at various stages
Anne Liljeström, Helsinki
Jyri Näränen, Helsinki
Björn Davidsson
René Michelsen
Observing Statistics
Objects observed: 10068
Comets observed : 45
New Designations: 355
Total number of Positions measured and submitted to the MPC: 38238
Number of Positions published by the MPC: 37234
New orbits: 258
New Near-Earth Asteroids: 1
2001 FX9
Here you can find a tool to create ephemerides for asteroids discovered by UDAS with published orbital elements
using the MPC ephemeris service.
Have a look at the latest
Satellite image from METEOSAT. (Page in Swedish)
Acknowledgement
We would like to thank Claes Wellton-Persson
(the founder of Lap Power) and Nicolas Persson
for their interest and personal support for the project.
For questions about this page,
please contact Gerhard Hahn or
Claes-Ingvar Lagerkvist
Updated on April 2, 2013 by Gerhard Hahn