International Network of Passive Correlation Ranging for Orbit Determination of a Geostationary Satellite

Kaliuzhnyi, M.; Bushuev, F. I.; Shulga, O. V.; Sybiryakova, Y.; Shakun, L.; Bezrukovs, Vladislavs; Moskalenko, S. S.; Kulishenko, V. F.; Malynovskyi, Yevgen

doi:10.18524/1810-4215.2016.29.85228

Cited by 5 publications

(4 citation statements)

References 6 publications

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“…Tracked satellite's orbital parameters can be determined using measured values of the TDOA for different models of satellite motion. The results provide operationally applicable values [14].…”

Section: Introductionmentioning

confidence: 84%

Tdoa Based Tracking Measurement for Geo Satellites Orbit Determination: Evaluation for the Satellite Operators

Yilmaz

Güler

2022

Eskişehir Technical University Journal of Science and Technology a - Applied Sciences and Engineering

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The satellite's orbit determination has recently evolved with new tracking data and data processing methods and algorithms developments. The satellite operators need the current and future motion of the satellites for operational purposes and use various methods to measure the tracking data. This study investigates the time difference of arrival (TDOA) based ground data measurement and processing of these tracking data to obtain orbital parameters and the communication satellite operators' use of the method. First, a conceptual ground station network was established to collect TDOA based tracking data. Then these data were processed to determine the orbits using a sequential process (SP) filter method. The results were analyzed by comparing radial, in-track, and cross-track positions and velocities for three satellites at different orbital locations. The mean root mean square error (RMSE) differences of radial, in-track, and cross-track (RIC) position values of three satellites are about 19 m, 5 m, and 1 m, respectively. Similarly, the mean RMSE differences of RIC velocity values are about 0.8 cm/s, 0.15 cm/s, 0.05 cm/s respectively. These values are below the success criteria that are satellite typical flight dynamics requirements. The estimated communication satellites orbit with TDOA based observation data are fully consistent with truth orbit parameters. The satellite operators can utilize the proposed TDOA measurement method with its benefits to estimate satellite orbit.

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Section: Introductionmentioning

confidence: 84%

Tdoa Based Tracking Measurement for Geo Satellites Orbit Determination: Evaluation for the Satellite Operators

Yilmaz

Güler

2022

Eskişehir Technical University Journal of Science and Technology a - Applied Sciences and Engineering

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“…Higher orbits, such as Geostationary Orbit (GEO), are above GNSS systems and cannot use them for positioning. Instead they employ alternative metrics such as tracking relay satellites, star-trackers, or time-difference of arrival (TDOA) calculations at multiple earth-based antennas [6,24,55].…”

Section: Ssa In Practicementioning

confidence: 99%

On Detecting Deception in Space Situational Awareness

Pavur

Martinovic

2021

Proceedings of the 2021 ACM Asia Conference on Computer and Communications Security

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Space Situational Awareness (SSA) data is critical to the safe piloting of satellites through an ever-growing field of orbital debris. However, measurement complexity means that most satellite operators cannot independently acquire SSA data and must rely on a handful of centralized repositories operated by major space powers. As interstate competition in orbit increases, so does the threat of attacks abusing these information-sharing relationships. This paper offers one of the first considerations of defense techniques against SSA deceptions. Building on historical precedent and real-world SSA data, we simulate an attack whereby an SSA operator seeks to disguise spy satellites as pieces of debris. We further develop and evaluate a machine-learning based anomaly detection tool which allows defenders to detect 90-98% of deception attempts with little to no in-house astrometry hardware.Beyond the direct contribution of this system, the paper takes a unique interdisciplinary approach, drawing connections between cyber-security, astrophysics, and international security studies. It presents the general case that systems security methods can tackle many novel and complex problems in an historically neglected domain and provides methods and techniques for doing so.

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“…The TDOA method has been used for drone detection and localization [12], in storehouse environments [13], IoT [14] and by mobile users [15]. This method has also been used on larger satellites, using it to localize a satellite from the ground [16], as well as from other satellites in space [17]. The AOA method uses an antenna array to know the yaw (azimuth) and pitch (elevation) of the received signal.…”

Section: Introductionmentioning

confidence: 99%

A Femto-Satellite Localization Method Based on TDOA and AOA Using Two CubeSats

Vidal-Valladares

Díaz

2022

Remote Sensing

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This article presents a feasibility analysis to remotely estimate the geo-location of a femto-satellite only using two station-CubeSats and the communication link between the femto-satellite and each CubeSat. The presented approach combines the Time Difference Of Arrival (TDOA) and Angle Of Arrival (AOA) methods. We present the motivation, the envisioned solution together with the constraints for reaching it, and the best potential sensitivity of the location precision for different (1) deployment scenarios of the femto-satellite, (2) precisions in the location of the CubeSats, and (3) precisions in each CubeSat’s Attitude Determination and Control Systems (ADCS). We implemented a simulation tool to evaluate the average performance for different random scenarios in space. For the evaluated cases, we found that the Cramér-Rao Bound (CRB) for Gaussian noise over the small error region of the solution is highly dependent on the deployment direction, with differences in the location precision close to three orders of magnitude between the best and worst deployment directions. For the best deployment case, we also studied the best location estimation that might be achieved with the current Global Navigation Satellite System (GNSS) and ADCS commercially available for CubeSats. We found that the mean-square error (MSE) matrix of the proposed solution under the small error condition can attain the CRB for the simulated time, achieving a precision below 30 m when the femto-satellite is separated by around 800 m from the mother-CubeSat.

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International Network of Passive Correlation Ranging for Orbit Determination of a Geostationary Satellite

Cited by 5 publications

References 6 publications

Tdoa Based Tracking Measurement for Geo Satellites Orbit Determination: Evaluation for the Satellite Operators

Tdoa Based Tracking Measurement for Geo Satellites Orbit Determination: Evaluation for the Satellite Operators

On Detecting Deception in Space Situational Awareness

A Femto-Satellite Localization Method Based on TDOA and AOA Using Two CubeSats

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