Improved orbit predictions using two-line elements

Extension of the MSIS Thermosphere Model into the middle and lower atmosphere

A. E. Hedin · Journal of Geophysical Research Atmospheres · 1991 · 2.3K citations

Upper Atmosphere, Lower Thermosphere, Engineering +18

Collision frequency of artificial satellites: The creation of a debris belt

Donald J. Kessler, B. G. Cour-Palais · Journal of Geophysical Research Atmospheres · 1978 · 1.2K citations

Engineering, Earth System Science, Space System +20

The International Laser Ranging Service

M. R. Pearlman, John J. Degnan, John M. Bosworth · Advances in Space Research · 2002 · 801 citations · Full text

Engineering, Time-of-flight Camera, Calibration +5

Earth gravitational model 2008

Nikolaos K. Pavlis, S. Kenyon, J. Factor et al. · 2008 · 375 citations

Geophysics, Earth System, Geospace Physics +14

Instability of the present LEO satellite populations

J.‐C. Liou, Nicholas L. Johnson · Advances in Space Research · 2007 · 201 citations

Geophysics, Orbit Determination, Geostationary Orbit +2