# Reports

Selected technical reports by USNO astronomers

- Another Look at Non-Rotating Origins
- From IAU XXV, Joint Discussion 16: The International Celestial Reference System, Maintenance and Future Realizations, 22 July 2003,eds. Gaume, McCarthy, Souchay By George H. Kaplan
- Celestial Pole Offsets
- Technical note by George H. Kaplan
- Chinese Occultation Records
- Analysis of Ancient Chinese Records of Occultations Between Planets and Stars by Hilton, J. L., Seidelmann, P. K., Liu Ciyuan
- The Motion of Mars' Pole I
- The Motion of Mars' Pole I: Rigid Body Precession and Nutation by James Hilton
- The Motion of Mars' Pole II
- The Motion of Mars' Pole II: The Effect of an Elastic Mantle and a Liquid Core by James Hilton
- Change in Earth's Rotation Rate from Chinese Lunar Occultations
- An Examination of the Change in the Earth's Rotation Rate from Ancient Chinese Observations of Lunar Occultations of the Planets by Hilton, J. L., Seidelmann, P. K., and Liu Ciyuan
- Prospects for Determining Asteroid Masses
- Prospects for Determining Asteroid Masses by Hilton, J. L., Seidelmann, P. K., Middour, J.
- The Motion of the Observer in Celestial Navigation
- The Motion of the Observer in Celestial Navigation by George Kaplan
- The Motion of the Observer in Celestial Navigation (ps)
- The Motion of the Observer in Celestial Navigation by George Kaplan
- A Navigation Solution Involving Changes to Course and Speed
- A Navigation Solution Involving Changes to Course and Speed by George Kaplan
- A Navigation Solution Involving Changes to Course and Speed (ps)
- A Navigation Solution Involving Changes to Course and Speed by George Kaplan
- The Mass of the Asteroid 15 Eunomia
- The Mass of the Asteroid 15 Eunomia from Observations of 1313 Berna and 1284 Latvia by James Hilton
- The Mass of the Asteroid 15 Eunomia (ps)
- The Mass of the Asteroid 15 Eunomia from Observations of 1313 Berna and 1284 Latvia by James Hilton
- Analytical Study of Optical Wavefront Aberrations Using Maple
- Analytical Study of Optical Wavefront Aberrations Using Maple by Marc Murison
- Analytical Study of Optical Wavefront Aberrations Using Maple (ps)
- Analytical Study of Optical Wavefront Aberrations Using Maple by Marc Murison
- Worksheet: Analytical Study of Optical Wavefront Aberrations
- Analytical Study of Optical Wavefront Aberrations Using Maple (Maple Worksheet) by Marc Murison
- Worksheet: Analytical Study of Optical Wavefront Aberrations (pdf)
- Analytical Study of Optical Wavefront Aberrations Using Maple (Maple Worksheet) by Marc Murison
- High-precision Algorithms for Astrometry
- High-precision Algorithms for Astrometry by George Kaplan
- High-precision Algorithms for Astrometry (ps)
- High-precision Algorithms for Astrometry by George Kaplan
- Radio and Optical Astrometric Reduction Algorithms
- A Comparison of Radio and Optical Astrometric Reduction Algorithms by George Kaplan
- USNO Ephemerides of the Largest Asteroids
- USNO Ephemerides of the Largest Asteroids by Jame Hilton
- U.S. Naval Observatory Ephemerides of the Largest Asteroids
- Ephemerides
- Images for the paper U.S. Naval Observatory Ephemerides of the Largest Asteroids