pi-Puppids 2009: prediction of activity

Fig. 1. Space-temporal projection of pi-Puppid trails parts onto their minimal distance passages.


1. "Comet's dust 2.0" program by S. Shanov and S. Dubrovsky. [Used for computation of stream particles orbital evolution]
2. Kazuo Kinosita, http://www9.ocn.ne.jp/~comet/index.html [Orbital elements of the comet 26P Grigg-Skjellerup.]
3. Lyytinen E, van Flandern T. "Predicting the strength of Leonid outbursts", 2000, Icarus, P. 158-160.