197P-ids 2010: prediction of activity
to the list of predictions
Fig. 1. Space-temporal projection of 197p-ids trails parts onto their minimal distance passages dirung the period (correspondence between colours of the particles and their ejection velocities can be seen here).
Fig. 2. Detailed space-temporal projection of 197p-ids trails parts onto their minimal distance passages in 2010 (correspondence between colours of the particles and their ejection velocities can be seen here).
The single trail of 197P encountering the Earth in 2010 is 1932 trail, which give a vertical encounter with the following parameters: rD-rE_e=0.00085 AU, Vej=81.05 m/s, fM(fMD)=0.423. Due to high ejection velocity and low trail density we do not expect any activity from this encounter.
References
1. "Comet's dust 2.0" program by S. Shanov and S. Dubrovsky. [Used for orbital computations.]
2. Lyytinen E, van Flandern T. "Predicting the strength of Leonid outbursts", 2000, Icarus, P. 158-160.
3. Kasuo Kinoshita, http://jcometobs.web.fc2.com/ [Orbital elements of the comet 197P LINEAR]