
Hera Example Trajectory for Proximity Operations
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VERSION:        2.1
CREATION_DATE:  2024/06/05
ORIGINATOR:     ESA/ESOC OPS-GFA


CONTENT: example trajectory files in OEM (*.oem) format covering ECP, PDP and DCP phases of Hera Proximity Operations.


OEM files are provided for the following bodies:

  - Barycenter of the binary system (DidymosBarycenter) w.r.t. the Sun 

  - Didymos and Dimorphos w.r.t. DidymosBarycenter

  - Hera w.r.t. DidymosBarycenter


NOTES:

  - Didymos and Dimorphos trajectories correspond to an example case consistent to Didymos Reference Model issue 6.0, with the following simplifications/assumptions:
       + The mass of each asteroid is computed considering the total mass of the system and the ratio of diameters from DRM 6.0, as well as an assumed density of 2950 kg/m3 for Didymos and 2500 kg/m3 for Dimorphos. 
       + The orbit of Dimorphos is taken as equatorial, circular, and with the required radius to have the orbital period from DRM 6.0.

  - Hera trajectories are consistent to CReMA 2.1 baseline.
  
