A. Sibthorpe

940 total citations · 1 hit paper
21 papers, 676 citations indexed

About

A. Sibthorpe is a scholar working on Aerospace Engineering, Oceanography and Astronomy and Astrophysics. According to data from OpenAlex, A. Sibthorpe has authored 21 papers receiving a total of 676 indexed citations (citations by other indexed papers that have themselves been cited), including 19 papers in Aerospace Engineering, 15 papers in Oceanography and 12 papers in Astronomy and Astrophysics. Recurrent topics in A. Sibthorpe's work include GNSS positioning and interference (15 papers), Geophysics and Gravity Measurements (15 papers) and Ionosphere and magnetosphere dynamics (8 papers). A. Sibthorpe is often cited by papers focused on GNSS positioning and interference (15 papers), Geophysics and Gravity Measurements (15 papers) and Ionosphere and magnetosphere dynamics (8 papers). A. Sibthorpe collaborates with scholars based in United States, United Kingdom and France. A. Sibthorpe's co-authors include Pascal Willis, Bruce Haines, Willy Bertiger, Y. Bar-Sever, Nate Harvey, Marek Ziebart, S. D. Desai, N. P. Zelensky, F. G. Lemoine and David Murphy and has published in prestigious journals such as Geophysical Research Letters, Advances in Space Research and Journal of Geodesy.

In The Last Decade

A. Sibthorpe

20 papers receiving 650 citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

GipsyX/RTGx, a new tool set for space geodetic operations and research

2020 246 citations Willy Bertiger, Y. Bar-Sever et al. Advances in Space Research profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
A. Sibthorpe United States	12	495	465	300	129	48	21	676
J. Griffiths United States	8	545 1.1×	499 1.1×	291 1.0×	124 1.0×	108 2.3×	19	662
Stefan Schär Switzerland	2	514 1.0×	429 0.9×	275 0.9×	214 1.7×	74 1.5×	2	706
C. Urschl Switzerland	6	630 1.3×	526 1.1×	345 1.1×	218 1.7×	102 2.1×	7	831
Raül Orús Pérez Netherlands	15	520 1.1×	358 0.8×	585 1.9×	181 1.4×	18 0.4×	52	699
Eric Pottiaux Belgium	14	609 1.2×	462 1.0×	473 1.6×	100 0.8×	95 2.0×	39	774
S Lutz Switzerland	9	829 1.7×	712 1.5×	539 1.8×	95 0.7×	174 3.6×	43	970
Nate Harvey United States	10	675 1.4×	670 1.4×	573 1.9×	269 2.1×	108 2.3×	16	1.1k
F. Vespe Italy	14	208 0.4×	313 0.7×	363 1.2×	64 0.5×	19 0.4×	41	515
V. B. Mendes Portugal	13	609 1.2×	585 1.3×	461 1.5×	67 0.5×	54 1.1×	32	828
H Drewes Germany	13	396 0.8×	441 0.9×	167 0.6×	213 1.7×	37 0.8×	83	638

Countries citing papers authored by A. Sibthorpe

Since Specialization

Citations

This map shows the geographic impact of A. Sibthorpe's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by A. Sibthorpe with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites A. Sibthorpe more than expected).

Fields of papers citing papers by A. Sibthorpe

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by A. Sibthorpe. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by A. Sibthorpe. The network helps show where A. Sibthorpe may publish in the future.

Co-authorship network of co-authors of A. Sibthorpe

This figure shows the co-authorship network connecting the top 25 collaborators of A. Sibthorpe. A scholar is included among the top collaborators of A. Sibthorpe based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with A. Sibthorpe. A. Sibthorpe is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Bertiger, Willy, Y. Bar-Sever, Bruce Haines, et al.. (2020). GipsyX/RTGx, a new tool set for space geodetic operations and research. Advances in Space Research. 66(3). 469–489. 246 indexed citations breakdown →

Ries, Paul, et al.. (2017). Results from the JPL IGS Analysis Center IGS14 Reprocessing Campaign. AGU Fall Meeting Abstracts. 2017.

Sibthorpe, A., Y. Bar-Sever, Willy Bertiger, et al.. (2016). BeiDou orbit determination processes and products in JPL's GDGPS system. NASA Technical Reports Server (NASA). 2 indexed citations

Desai, S. D., et al.. (2014). JPL's Reanalysis of Historical GPS Data for the Second IGS Reanalysis Campaign. 2014 AGU Fall Meeting. 2014. 2 indexed citations

Kuang, Da, S. D. Desai, A. Sibthorpe, & Xiaoqing Pi. (2013). Measuring atmospheric density using GPS–LEO tracking data. Advances in Space Research. 53(2). 243–256. 19 indexed citations

Desai, S. D., et al.. (2011). Results from the Reanalysis of Global GPS Data in the IGS08 Reference Frame. AGU Fall Meeting Abstracts. 2011. 15 indexed citations

Kedar, S., Jay Parker, F. Webb, et al.. (2011). Limitations of strain estimation techniques from discrete deformation observations. Geophysical Research Letters. 38(1). n/a–n/a. 11 indexed citations

Sibthorpe, A., Willy Bertiger, S. D. Desai, et al.. (2011). An evaluation of solar radiation pressure strategies for the GPS constellation. Journal of Geodesy. 85(8). 505–517. 19 indexed citations

Sibthorpe, A., Shannon Brown, S. D. Desai, & Bruce Haines. (2011). Calibration and Validation of the Jason-2/OSTM Advanced Microwave Radiometer Using Terrestrial GPS Stations. Marine Geodesy. 34(3-4). 420–430. 15 indexed citations

10.

Sibthorpe, A., et al.. (2010). Empirical Modeling of Solar Radiation Pressure Forces Affecting GPS Satellites. AGUFM. 2010. 7 indexed citations

11.

Lemoine, F. G., N. P. Zelensky, D. S. Chinn, et al.. (2010). Towards development of a consistent orbit series for TOPEX, Jason-1, and Jason-2. Advances in Space Research. 46(12). 1513–1540. 80 indexed citations

12.

Zelensky, N. P., F. G. Lemoine, Marek Ziebart, et al.. (2010). DORIS/SLR POD modeling improvements for Jason-1 and Jason-2. Advances in Space Research. 46(12). 1541–1558. 41 indexed citations

13.

Bertiger, Willy, S. D. Desai, Bruce Haines, et al.. (2010). Sub-Centimeter Precision Orbit Determination with GPS for Ocean Altimetry. Marine Geodesy. 33(sup1). 363–378. 56 indexed citations

14.

Desai, S. D., Willy Bertiger, Bruce Haines, et al.. (2009). The JPL IGS Analysis Center: Results from the reanalysis of the global GPS network. AGU Fall Meeting Abstracts. 2009. 8 indexed citations

15.

Willis, Pascal, O. de Viron, A. Sibthorpe, et al.. (2009). Improving DORIS geocenter time series using an empirical rescaling of solar radiation pressure models. Advances in Space Research. 44(11). 1279–1287. 45 indexed citations

16.

Willis, Pascal, O. de Viron, A. Sibthorpe, et al.. (2009). Systematic biases in DORIS-derived geocenter time series related to solar radiation pressure mis-modeling. Journal of Geodesy. 83(9). 849–858. 40 indexed citations

17.

Ziebart, Marek, A. Sibthorpe, Paul Cross, Y. Bar-Sever, & Bruce Haines. (2007). Cracking the GPS-SLR orbit anomaly. UCL Discovery (University College London). 2033–2038. 8 indexed citations

18.

Ziebart, Marek, et al.. (2005). Thermal Force Modeling for Precise Prediction and Determination of Spacecraft Orbits. NAVIGATION Journal of the Institute of Navigation. 52(3). 131–144. 11 indexed citations

19.

Ziebart, Marek, et al.. (2004). High Precision GPS IIR Orbit Prediction using Analytical Non-conservative Force Models. UCL Discovery (University College London). 1764–1770. 7 indexed citations

20.

Ziebart, Marek, et al.. (2003). GPS Block IIR Non-Conservative Force Modeling: Computation and Implications. Proceedings of the 16th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS/GNSS 2003). 2671–2678. 6 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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