Evaluation of impulsive maneuvers performed by active space object

The subject of this paper is the problem of estimating the maneuver parameters performed by an active space object between two consequent observations spans. Analytical and numerical-Analytical algorithms of estimating one-pulse and two-pulse maneuvers of short duration are proposed. Both coplanar and non-coplanar types of maneuvers are considered. The algorithm for estimating single-pulse maneuvers takes into account presence of significant errors in determining the initial and final orbits. The solution process has a geometric interpretation. Examples of calculation are presented for the series of maneuvers of the spacecraft in GEO. © 2017 Univelt Inc. All rights reserved.