This map shows the geographic impact of C. Uphoff'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 C. Uphoff with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites C. Uphoff more than expected).
This network shows the impact of papers produced by C. Uphoff. 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 C. Uphoff. The network helps show where C. Uphoff may publish in the future.
Co-authorship network of co-authors of C. Uphoff
This figure shows the co-authorship network connecting the top 25 collaborators of C. Uphoff.
A scholar is included among the top collaborators of C. Uphoff 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 C. Uphoff. C. Uphoff is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
Edwards, B. C., Christopher F. Chyba, James B. Abshire, et al.. (1997). <title>The Europa Ocean Discovery mission</title>. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 3111. 249–261.1 indexed citations
7.
Uphoff, C.. (1993). Uncommon sense in orbit mechanics. 95. 575–590.1 indexed citations
8.
Uphoff, C., et al.. (1992). Orbit selection for the RadarSat exact repeat groundtrack. 765–782.2 indexed citations
9.
Uphoff, C., et al.. (1991). Lunar Cycler orbits with alternating semi-monthly transfer windows. The Journal of the Astronautical Sciences. 41(2). 163–176.5 indexed citations
10.
Uphoff, C.. (1989). The art and science of lunar gravity assist. 333–346.16 indexed citations
11.
Ash, Robert L., et al.. (1982). Autonomous oxygen production for a Mars return vehicle. NASA Technical Reports Server (NASA).12 indexed citations
12.
Nock, Kerry & C. Uphoff. (1979). Satellite aided orbit capture. NASA Technical Reports Server (NASA). 165.20 indexed citations
13.
French, James & C. Uphoff. (1979). Aerobraking for planetary missions. NASA Technical Reports Server (NASA).3 indexed citations
Uphoff, C.. (1970). The long-term motion of artificial planetary satellites. NASA Technical Reports Server (NASA).1 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.