About accuracy of the INTERBALL spacecraft motion calculation and orbital elements modification


Dear colleagues!
Let us draw your attention to the following:
Scientific Coordinator of the INTERBALL Project
Prof. Lev Zelenyi
lzelenyi@iki.rssi.ru

25 July 1999
IKI Satellite Situation Center
Prof. Ravil Nasirov,
rnazirov@rssi.ru
Dr. Victoria Prokhorenko,
vprokhor@iki.rssi.ru