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Asteroids are the most abundant objects in the solar system. Hundreds of thousands of them are known at the present time, with more than a hundred added every day. Despite the large number of known asteroids, little is known about the physical characteristics of each individual. Many people only know the size. To other physical features such as shape, rotation time, direction of the axis of rotation and others you can only make a statement for a few objects.

Due to the irregular expansion of an asteroid and its rotation, the amount of sunlight reaching the viewer varies as a function of time. This change in brightness over time is referred to as the light curve. The shape of a light curve depends not only on the shape of the asteroid, but also on the viewing angle and the lighting. Collecting a sufficient number of these asteroid light curves can be used to create a physical model of the object using the light curve inversion method.

The aim of the project Asteroids@home is to increase the knowledge about the physical features of the asteroids. For this purpose, the photometric measurements of asteroids by professional and hobby astronomer takes using the light curve inversion method are processed into a 3D model with the rotation time and axis of rotation of the asteroid.

For earned credits badges are awarded:

Carbon (C) Silicon (Si) Iron (Fe) Nickel (Ni) Cobalt (Co) Palladium (Pd) Gold (Au) Iridium (Ir)
C.png Si.png Fe.png Ni.png Co.png Pd.png Au.png Ir.png
10.000 100.000 500.000 1.000.000 5.000.000 10.000.000 50.000.000 100.000.000

Current scientific publications can be found in our electronic library.

Project overview

InfoIcon.png Asteroids@Home
Name Asteroids@Home
Category Astrophysik/en
Goal Exploration of asteroids
Commercial   no

Project status

InfoIcon.png Project status
Status   active
Begin 20.06.2012
End still active

Project links



Operating systems

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Logo opencl.png   Intel.png   OpenCL Checkbox 0.gif  
Icon solaris 16.png   Solaris Checkbox 0.gif  
Icon java 16.png   Java (OS independent)  Checkbox 0.gif  

Client properties

works also with proxy Checkbox 0.gif
program can be executed normally Checkbox 0.gif
can be used as screensaver Checkbox 0.gif
commandline version available Checkbox 0.gif
personal Proxy for work units available   Checkbox 0.gif
work units can be exchanged also by email Checkbox 0.gif
source code is available Checkbox 0.gif
can be used offline Checkbox 0.gif
checkpoints Checkbox 1.gif


Published versions

The latest versions can be viewed here.



Asteroids@home uses the BOINC infrastructure. The registration, installation and configuration are described in the user manual.





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Quality Control

Checked: November 4th, 2018