National Aeronautics and Space Administration Orbital Debris Mitigation R. L. Kelley1, D. R. Jarkey2, G. Stansbery3 1. Jacobs, NASA Johnson Space Center, Houston, TX 77058, USA 2. HX5 ‐ Jacobs JETS Contract, NASA Johnson Space Center, Houston, TX 77058, USA 3. NASA Johnson Space Center, 2101 NASA Parkway, Houston, TX 77058 USA National Aeronautics and Space Administration Outline • Description of Current Orbital Debris Environment • NPR and NS • DAS 2 National Aeronautics and Space Administration The Orbital Debris Environment 3 National Aeronautics and Space Administration Evolution of the Cataloged Satellite Population 4 National Aeronautics and Space Administration Growth of the Earth Satellite Population 1960 Cataloged objects >10 cm diameter 5 National Aeronautics and Space Administration Growth of the Earth Satellite Population 1965 Cataloged objects >10 cm diameter 6 National Aeronautics and Space Administration Growth of the Earth Satellite Population 1970 Cataloged objects >10 cm diameter 7 National Aeronautics and Space Administration Growth of the Earth Satellite Population 1975 Cataloged objects >10 cm diameter 8 National Aeronautics and Space Administration Growth of the Earth Satellite Population 1980 Cataloged objects >10 cm diameter 9 National Aeronautics and Space Administration Growth of the Earth Satellite Population 1985 Cataloged objects >10 cm diameter 10