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White Paper: Least Squares GEO Initial Orbit Determination
This paper describes a new fast-running algorithm to perform refined orbit determination for any spacecraft in GEO (geosynchronous earth orbit).
Read MoreIndian ASAT Forensics - April 9, 2019 Update
- Tom Johnson, Dan Oltrogge, Dr. T.S. Kelso
- Video
Analysis and debris simulation of India's direct ascent ASAT weapons test on 3-27-2019.
Read MoreSpace Traffic Management - Spacecast 21
- Jim Cooper
- Video
Jim Cooper discusses Space Traffic Management (STM) challenges including space debris tracking and upcoming large constellations of satellites.
Read MoreWhite Paper: Multiple Model Propagation Of High Area-To-Mass (HAMR) Objects Using An Encke Type Correction Algorithm
This paper examines performance of the original algorithm for a different orbit regime, and for a wider range of object shapes and attitude motions.
Read MoreWhite Paper: Covariance Realism
Covariance information from orbit determination is being relied upon for space operations now more than ever.
Read MoreWhite Paper: Determination of close approaches based on ellipsoidal threat volumes
A method for computing close approach events for space objects having ellipsoidal threat volumes is presented.
Read MoreWhite Paper: Effect Of Coordinate Selection On Orbit Determination
This paper shows the effects of coordinate selection on orbit determination
Read MoreWhite Paper: Global Atmospheric Density Estimation Using A Sequential Filter/Smoother
This paper shows the global atmospheric density estimation using a sequential filter/smoother
Read MoreWhite Paper: Investigating Orbital Debris Events Using Numerical Methods With Full Force Model Orbit Propagation
This paper describes the investigation of orbital debris events using numerical methods with full force model orbit propagation.
Read MoreSTK Supports Missile Test Analysis
STK helps the System Test and Evaluation Planning Analysis Lab (STEPAL), which serves the Missile Defense Agency (MDA)
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