14
Concept for a Geode.c and Time Reference in Space (GETRIS) Anja Schlicht, Urs Hugentobler, Monika Ste8er, Wolfgang Schäfer Technische Universität München funded by the European Space Agency (4000103328/2011/NL/WE) 1

Concept(fora Geodec (andTime Reference(in(Space((GETRIS)( · planets, planetary missions, Lagrange point ranging time transfer MEO hi SST LEO pseudo- common view relativistic geodesy

  • Upload
    others

  • View
    1

  • Download
    0

Embed Size (px)

Citation preview

Page 1: Concept(fora Geodec (andTime Reference(in(Space((GETRIS)( · planets, planetary missions, Lagrange point ranging time transfer MEO hi SST LEO pseudo- common view relativistic geodesy

Concept  for  a  Geode.c  and  Time  Reference  in  Space  (GETRIS)  

Anja  Schlicht,  Urs  Hugentobler,  Monika  Ste8er,    Wolfgang  Schäfer  

Technische  Universität  München  

funded  by  the  European  Space  Agency  (4000103328/2011/NL/WE)  1  

Page 2: Concept(fora Geodec (andTime Reference(in(Space((GETRIS)( · planets, planetary missions, Lagrange point ranging time transfer MEO hi SST LEO pseudo- common view relativistic geodesy

Synergy  

2  

Page 3: Concept(fora Geodec (andTime Reference(in(Space((GETRIS)( · planets, planetary missions, Lagrange point ranging time transfer MEO hi SST LEO pseudo- common view relativistic geodesy

Synergy  

3  

Sun et al. Optics Express 21 (2013) 1865

Puls  PosiOon  ModulaOon    

Kirchner  et  al.  ConTEL  2011  

SLR  

ELT  

Page 4: Concept(fora Geodec (andTime Reference(in(Space((GETRIS)( · planets, planetary missions, Lagrange point ranging time transfer MEO hi SST LEO pseudo- common view relativistic geodesy

Ranging:  GNSS  

4  

LEO  orbit  2  cm  accuracy  1,5  mm  relaOve    precision  

inter  –satellite  link  

Page 5: Concept(fora Geodec (andTime Reference(in(Space((GETRIS)( · planets, planetary missions, Lagrange point ranging time transfer MEO hi SST LEO pseudo- common view relativistic geodesy

                                 

                                                           wikipedia  

Time  reference  

5  

Page 6: Concept(fora Geodec (andTime Reference(in(Space((GETRIS)( · planets, planetary missions, Lagrange point ranging time transfer MEO hi SST LEO pseudo- common view relativistic geodesy

European  Data  Relay  System  (EDRS)  

6  

Data  rate:  up  to  1,8  Gbit/s  GEO-­‐LEO    two-­‐way  phase  modulated  

Page 7: Concept(fora Geodec (andTime Reference(in(Space((GETRIS)( · planets, planetary missions, Lagrange point ranging time transfer MEO hi SST LEO pseudo- common view relativistic geodesy

 GETRIS  concept  

7  

GGOS  staOon    in  space  

Page 8: Concept(fora Geodec (andTime Reference(in(Space((GETRIS)( · planets, planetary missions, Lagrange point ranging time transfer MEO hi SST LEO pseudo- common view relativistic geodesy

Field  of  applicaOons  

8  

Page 9: Concept(fora Geodec (andTime Reference(in(Space((GETRIS)( · planets, planetary missions, Lagrange point ranging time transfer MEO hi SST LEO pseudo- common view relativistic geodesy

DORIS  and  distribuOon  of  Ome  

9  

Page 10: Concept(fora Geodec (andTime Reference(in(Space((GETRIS)( · planets, planetary missions, Lagrange point ranging time transfer MEO hi SST LEO pseudo- common view relativistic geodesy

Atmospheric  sounding  

10  

Page 11: Concept(fora Geodec (andTime Reference(in(Space((GETRIS)( · planets, planetary missions, Lagrange point ranging time transfer MEO hi SST LEO pseudo- common view relativistic geodesy

GGOS  staOon  in  space  and  on  ground  

11  

data transfer

Page 12: Concept(fora Geodec (andTime Reference(in(Space((GETRIS)( · planets, planetary missions, Lagrange point ranging time transfer MEO hi SST LEO pseudo- common view relativistic geodesy

Going  into  space  

12  

Page 13: Concept(fora Geodec (andTime Reference(in(Space((GETRIS)( · planets, planetary missions, Lagrange point ranging time transfer MEO hi SST LEO pseudo- common view relativistic geodesy

Win-­‐Win-­‐SituaOon  

ILRS,  GGOS  offer  to  ESA  can  be:      •  a  validated  survey  of  Galileo  clocks  in  precision  and  accuracy  and  precise  orbits  of  Galileo  satellites  from  staOons  with  a  well  observed  troposphere  

 

13  

•  Data  up/down  link  for  early  warning  massages  or  even                scien.fic  data      

Page 14: Concept(fora Geodec (andTime Reference(in(Space((GETRIS)( · planets, planetary missions, Lagrange point ranging time transfer MEO hi SST LEO pseudo- common view relativistic geodesy

 Thank  you  very  much!  

   

The  view  in  this  talk  can  in  no  way  be  taken  to  reflect  the  official  opinion  of  the  European  Space  Agency.  

14