Estimated Parameters | Parameterization | a priori σ |
---|---|---|

Epoch State | ||

3D epoch position (X,Y,Z) | Bias per epoch | 10 km |

3D epoch velocity (X,Y,Z) | 1 km/s | |

Empirical Acceleration (3 dynamic passes) | ||

Drag Coefficient | 100 | |

Once-per-rev cross-track (cos, sin) | Constant per 30-hr data set | 1 mm/s^{2} |

Once-per-rev in-track (cos, sin) | 1 mm/s | |

Empirical Acceleration (reduced-dynamic pass) | ||

Cross-track | Stochastic with τ = 6 hrs, Δt = 30 min^{*} | 1 nm/s^{2} |

Radial | Stochastic with τ = 6 hrs, Δt = 30 min | 1 nm/s^{2} |

In-track | Stochastic with τ = 6 hrs, Δt = 30 min | 1 nm/s^{2} |

Once-per-rev cross-track (cos, sin) | Stochastic with τ = 6 hrs, Δt = orbital period | 1 nm/s^{2} |

Once-per-rev in-track (cos, sin) | Stochastic with τ = 6 hrs, Δt = orbital period | 1 nm/s^{2} |

Carrier Bias (GRAPHIC only) | Constant bias per continuous carrier track | 1e6 km |

Clock | White-noise Process | 3e5 km |

↵* Δt is the update interval and

*τ*is the correlation time.