orbit determination


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orbit determination

The derivation of the orbit of a celestial object, such as a comet, from several observations of its position by using the laws of celestial mechanics. At least three observations are needed to determine the orbital elements and many methods have been used.
References in periodicals archive ?
Our interest is to understand how sensitive the orbit determination is to the ocean tides and how precisely the ocean tides should be modeled.
However, Analytical Graphics Incorporated's Orbit Determination Tool Kit software allows for ingestion of the ground-based right ascension and declination observations in the topocentric reference frame directly with knowledge of the observing site's location.
Integer Ambiguity Resolution on Undifferenced GPS Phase Measurements and its Application to PPP and Satellite Precise Orbit Determination.
The object of the activity is to design develop and validate/verified a GNSS space receiver capable to perform on board precise orbit determination (P2OD) in real time using precise GNSS orbit and clock corrections provided either by Geostationary satellites (thus allowing on board autonomy w.
This effort will exercise the entire system, to include the initial and follow-up observations, precise orbit determination, and international communications," said Professor Vishnu Reddy with the University of Arizona's Lunar and Planetary Laboratory, (https://www.
Given that the orbit determination is constantly being updated, the prediction of when the spacecraft would be in a particular point in the orbit changes during the overall planning process.
Among the discussions are dynamical systems and trajectory design, orbital dynamics and estimation, launch and reentry operations, asteroid and cometary missions, attitude determination and sensors, low-thrust trajectory design, astrodynamic innovation and data sharing, small body proximity operations, spacecraft guidance and control, astrodynamics techniques, CubeSat and NanoSat missions, flight mechanics aspects of the LADEE Mission, attitude dynamics and control, orbit determination, and dynamics and control of large space structures and tethers.
2011: Application of numerical integration techniques for orbit determination of state-of-the-art LEO satellites.
One hundred and fifty-two papers are grouped according to the following themes (which correspond with the conference sessions): asteroid missions, attitude dynamics and control, orbit determination, trajectory design and optimization, attitude determination, rendezvous and proximity missions, space surveillance, trajectory design, spacecraft navigation and control, orbital debris, decadal survey and interplanetary mission design, innovative GNC test solutions, satellite relative motion, optical navigation, satellite constellations, low-thrust trajectory design, earth orbit and missions, orbital mechanics, attitude sensor, trajectory and mission analysis, and lunar trajectory design.
With the radar data included in a new orbit determination, it turned out that some of the optically determined positions were in error.