Precise orbit determination for BDS satellites [PDF]
Satellite Navigation, 2022 Since the first pair of BeiDou satellites was deployed in 2000, China has made continuous efforts to establish its own independent BeiDou Navigation Satellite System (BDS) to provide the regional radio determination satellite service as well as regional ...
Qile Zhao +6 more
doaj +4 more sources
Precise Orbit Determination of MEX Flyby Phobos Using Simulated Radiometric and Image Data [PDF]
Sensors, 2021 A navigation camera or topography camera is a standard payload for deep space missions and the image data are normally used for auto-navigation. In this work, we study the potential contribution of image data in precise orbit determination for deep space
Xinbo Zhu +5 more
doaj +4 more sources
Improving GLONASS Precise Orbit Determination through Data Connection [PDF]
Sensors, 2015 In order to improve the precision of GLONASS orbits, this paper presents a method to connect the data segments of a single station-satellite pair to increase the observation continuity and, consequently, the strength of the precise orbit determination ...
Yang Liu +5 more
doaj +8 more sources
Experimental Study on the Precise Orbit Determination of the BeiDou Navigation Satellite System [PDF]
Sensors, 2013 The regional service of the Chinese BeiDou satellite navigation system is now in operation with a constellation including five Geostationary Earth Orbit satellites (GEO), five Inclined Geosynchronous Orbit (IGSO) satellites and four Medium Earth Orbit ...
Jens Wickert +4 more
doaj +4 more sources
Precision Assessment of Near Real Time Precise Orbit Determination for Low Earth Orbiter [PDF]
Journal of Astronomy and Space Sciences, 2011 The precise orbit determination (POD) of low earth orbiter (LEO) has complied with its required positioning accuracy by the double-differencing of observations between International GNSS Service (IGS) and LEO to eliminate the common clock error of the ...
Jong-Yeoun Choi, Sang-Jeong Lee
doaj +6 more sources
Undifferenced Kinematic Precise Orbit Determination of Swarm and GRACE-FO Satellites from GNSS Observations [PDF]
Sensors, 2022 Low Earth Orbit (LEO) satellites can be used for remote sensing and gravity field recovery, while precise orbit determination (POD) is vital for LEO satellite applications.
Peng Luo, Shuanggen Jin, Qiqi Shi
doaj +2 more sources
T-RAIM for Precise Orbit Determination in LEO-PNT [PDF]
SensorsThe rapid development of Low Earth Orbit Position, Navigation, and Timing (LEO-PNT) constellations presents opportunities to augment Global Navigation Satellite Systems (GNSSs) with additional signals from Low Earth Orbit (LEO) satellites, thereby ...
Ciro Gioia +4 more
doaj +2 more sources
Precise Orbit Determination of Mars-crossing Asteroids [PDF]
The Astronomical JournalThis study investigates the orbit determination of the Mars-crossing asteroids (MCAs) with a focus on the possibility of detecting their Yarkovsky signals. We analyze the influences of force model uncertainties on MCA orbits, including the uncertainty of
Xin Liu +6 more
doaj +2 more sources
Real-Time Multi-GNSS Precise Orbit Determination Based on the Hourly Updated Ultra-Rapid Orbit Prediction Method [PDF]
Remote Sensing, 2022 Offering real-time precise point positioning (PPP) services for global and large areas based on global navigation satellite systems (GNSS) has drawn more and more attention from institutions and companies. A precise and reliable satellite orbit is a core
Bingfeng Tan +3 more
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Sentinel-1A – First precise orbit determination results
Advances in Space Research, 2017 Sentinel-1A is the first satellite of the European Copernicus programme. Equipped with a Synthetic Aperture Radar (SAR) instrument the satellite was launched on April 3, 2014. Operational since October 2014 the satellite delivers valuable data for more than two years. The orbit accuracy requirements are given as 5 cm in 3D.
Peter-Contesse, H. (author) +12 more
openaire +6 more sources