Estimation

Estimation using simulated observations

In the following examples, observations are simulated and then used as input for a covariance analysis and/or estimation.

Covariance Analysis with DELFI-C3

Covariance Propagation Using Starlink-32101

Parameter Estimation with DELFI-C3

Simulation and Estimation Using Different Dynamical Models

Functionality to support estimation

In the following examples, functionality is showcased that can be used to support (pre- and/or post-processing of observations) estimation

Generating Visibility Plots with Tudat

Automatically Download Mission data

Estimation using pseudo-observations data

In the following examples, Cartesian positions of bodies are taken from an external source and used as observations to which a Tudat dynamical model is fit.

Initial State Estimation Using NOE-5 Ephemeris

Estimation using real observations

In the following examples, real observations are used to fit compute residuals and/or compute dynamics of spacecraft and/or natural bodies.

Retrieving Observations From the Minor Planet Centre

Initial state estimation From Real MPC Observations

Improved state estimation with MPC

Loading and Using Tracking Observations

Kosmos 482 Re-entry

Estimation using real observations from DSN/ESTRACK

We also have the following examples that showcase the reading of, and estimation from radio tracking data from DSN/ESTRACK.

MRO - Comparing Doppler and Range Measurements from TNF Files to Simulated Observables

GRAIL - Comparing Doppler measurements from ODF files to simulated observables

GRAIL - Estimating the spacecraft trajectory from ODF Doppler measurements

GRAIL - Fitting various models of the GRAIL spacecraft’s dynamics to the reference spice trajectory

Mars Express Tracking Data Residuals Analysis

MRO - Orbit Determination Using TNF Doppler Observations