COMSPOC® - Employee - David Vallado

David Vallado

Sr. Research Astrodynamicist

David performs research into advanced astrodynamics techniques to improve space surveillance capabilities.

“When I'm not working, you can find me woodworking, playing classical piano, building homes, landscaping, and hiking.”

BACKGROUND

Education:

M.S. Astrodynamics, Air Force Institute of Technology
M.S. Systems Management, University of Southern California
B.S. Astrodynamics Engineering, United States Air Force Academy

Prior Experience:

Associate Editor, Celestial Mechanics and Dynamical Astronomy
Principal Engineer, Raytheon Technologies
AAS Fellow
Lt. Colonel, USAF (Ret.)

EXPERTISE

THOUGHT LEADERSHIP

Long-Term Numerical Propagation for Earth Orbiting Satellites

Russian ASAT Debris Cloud Evolution and Risk

Results of comprehensive STCM data fusion experiment

Long-term numerical propagation for Earth orbiting satellites

Debris Risk Evolution And Dispersal (DREAD) for post-fragmentation modeling

Sequential Processing of ILRS Observations – Experiences over the last 5 years

Generating realistic sensor observations for OD analysis

Fragmentation event debris field evolution using 3d volumetric risk assessment

Application of New Debris Risk Evolution And Dissipation (DREAD) Tool to Characterize Post-Fragmentation Risk

Orbital Strategies to Mitigate the Solar Exclusion Effect on Space-Based Observation of the Geosynchronous Belt

New Consolidated Files for Earth Orientation Parameters and Space Weather Data

Updated Analytical Partials for Covariance Transformations and Optimization

Sequential Orbit Determination Using Satellite Laser Ranging

Improved SSA through orbit determination of Two Line Element Sets

SIMULATING SPACE SURVEILLANCE NETWORKS

Orbit Determination Results From Optical Measurements

Evaluating Gooding Angles-only Orbit Determination of Space Based Space Surveillance Measurements

ORBIT DETERMINATION ISSUES AND RESULTS TO INCORPORATE OPTICAL MEASUREMENTS IN CONJUNCTION OPERATIONS

SGP4 Orbit Determination

An Analysis of State Vector Prediction Accuracy

Revisiting Spacetrack Report #3

The Microcosm Press:
“Fundamentals of Astrodynamics and Applications”

Celestial Mechanics and Dynamical Astronomy:
“Curvilinear Coordinate Transformation for Relative Motion”

Acta Astronautica:
“A Critical Assessment of Satellite Drag and Atmospheric Density Modeling”

Journal of the Astronautical Sciences:
“Accurate Orbit Determination from Short-Arc Dense Observational Data”
“On Satellite Umbra/Penumbra Entry and Exit Positions”