Abstract
This paper deals with the re-entry predictions of the space objects from the low eccentric orbit. Any re-entering object re-enters the Earth’s atmosphere with a high orbital velocity. Due to the aerodynamic heating the object tends to break into multiple fragments which later pose a great risk hazard to the population. Here a satellite is considered as the space object for which the re-entry prediction is made. This prediction is made with a package where the trajectory path, the time of re-entry and the survival rate of the fragments is done. The prediction is done using DRAMA 2.0—ESA’s Debris Risk Assessment and Mitigation Analysis Tool suite, MATLAB and Numerical Prediction of Orbital Events software. The predicted re-entry time of OSIRIS 3U was found to be on 7th March 2019, 7:25 (UTC), whereas the actual re-entry time was on 7th March 2019, 7:03 (UTC). The trajectory path found was 51.5699 deg. (Lat), −86.5738 deg. (Long.) with an altitude of 168.643 km. But the actual trajectory was 51.76 deg. (Lat), −89.01deg. (Long.) with an altitude of 143.5 km.
Highlights
Space objects refer to astronomical objects as well as the artificial space objects, i.e. naturally occurring or man-made objects in space
This paper deals with the re-entry predictions of the space objects from the low eccentric orbit
A satellite is considered as the space object for which the re-entry prediction is made
Summary
Space objects refer to astronomical objects as well as the artificial space objects, i.e. naturally occurring or man-made objects in space. Man-made objects like satellites and rockets are being sent to space for communication, navigation and other space missions They tend to decay after a certain orbital lifetime. An accurate estimation of orbital decay of objects during the final stages of re-entry is of considerable importance This helps to predict the re-entry time and location and plan proper hazard assessment and mitigation strategies. DRAMA is a comprehensive tool [3] for the compliance analysis of space mission with space debris mitigation standards provides with distinct tools to enable the assessment of debris mitigation strategies for the operational and disposal phases of a mission as well as the estimation of the risk caused by objects surviving a re-entry of the spacecraft. The mission of OSIRIS-3U is to investigate the radio wave interaction in the ionosphere, the interaction of high-power radio waves
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