Flying-around orbit design method for continuous visible light detection of GEO space target

A space target, visible light technology, applied in attitude control and other directions, can solve the problems of inability to image, not considering the sun's orientation, detecting spacecraft that do not meet the conditions of visible light imaging, etc., to meet on-orbit service tasks, meet situational awareness, and be widely used Foreground effect

Active Publication Date: 2020-01-03
PLA PEOPLES LIBERATION ARMY OF CHINA STRATEGIC SUPPORT FORCE AEROSPACE ENG UNIV
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Problems solved by technology

[0004] However, the fly in the ointment of previous studies is that they did not analyze the time constraints and did not consider the orientation of the sun in the process of analyzing the orbiting flight. Therefore

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  • Flying-around orbit design method for continuous visible light detection of GEO space target
  • Flying-around orbit design method for continuous visible light detection of GEO space target
  • Flying-around orbit design method for continuous visible light detection of GEO space target

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Embodiment 1

[0063] Embodiment 1 of the present invention provides a orbit design method for continuous visible light detection of GEO space targets. The detection spacecraft, the target spacecraft and the sun are approximately collinear, and the detection spacecraft is in the middle position. The observation angle of the target spacecraft is always less than 60°, and the detection spacecraft can continuously detect the target spacecraft with visible light, including:

[0064] Step 1: Take the ideal GEO space target M as the target spacecraft, take the sub-satellite point of M at 12:00 local time as the initial moment, and the 0° phase as the best initial phase for orbiting, based on the azimuth vector of the sun relative to M and the detection of spaceflight The motion equation of the detector relative to M is used to determine the initial phase window, and the initial phase window is an initial phase value range that satisfies the fly-around orbit for sustainable visible light detection. ...

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Abstract

The present invention discloses a flying-around orbit design method for continuous visible light detection of a GEO space target. The method comprises an approaching stage of a detection spacecraft toa target spacecraft and a flying-around stage of the detection spacecraft to the target spacecraft. Firstly, a flying-around orbit is designed, and for the designed flying-around orbit, the orbital maneuvering scheme in the approaching stage is designed by taking the most fuel-saving effect as an optimization goal; the key to the design of the flying-around orbit is to determine an initial phasewindow of the detection spacecraft flying around relative to the target spacecraft, an initial phase that meets the requirements is selected, and the flying-around orbit is designed according to the CW equation; and then an approaching-stage orbit is designed, and the key to the design of the approaching-stage orbit is to determine the two moments of the Lambert orbital maneuver. According to themethod provided by the present invention, the periodic factors of the GEO space target flying around are combined, the solar lighting conditions are fully considered, and the designed flying-around orbit can keep the detection spacecraft always facing the sun to perform visible light detection on the target spacecraft and can effectively meet situational awareness and on-orbit service missions ofthe GEO space target.

Description

technical field [0001] The invention relates to a orbit design method for continuous visible light detection of a GEO space target, and belongs to the technical field of spacecraft orbit design. Background technique [0002] Geostationary Orbit (GEO) deploys a large number of high-value space resources due to the particularity of its orbit. On May 2, 2019, the Space Debris Office of the European Space Agency stated in the "European Space Agency Annual Space Environment Report" that as of 2019 On January 1, there were a total of 884 spatial objects in the GEO region. GEO space targets are nearly 36,000 kilometers away from the ground, which brings great challenges to ground-based high-definition observations. Deploying optical imaging remote sensing satellites in the GEO area to observe GEO space targets has strong anti-interference capabilities, and can obtain clearer images and better judge GEO The working status of the space target, in addition to designing the orbit arou...

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Application Information

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IPC IPC(8): G05D1/08
Inventor 李智张海涛张雅声徐灿程文华于金龙李纪莲郭威沈会龙何之睿
Owner PLA PEOPLES LIBERATION ARMY OF CHINA STRATEGIC SUPPORT FORCE AEROSPACE ENG UNIV
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