# This file contains the orbital elements in Celestia's SSC format. # for GRACE-1 and GRACE-2 # by Selden Ball seb+cel@lns.cornell.edu # # The information was obtained from # http://www.csr.utexas.edu/grace/newsletter/2002/august2002.html # # "GRACE-1" "Sol/Earth" { Class "spacecraft" Mesh "galileo.3ds" Radius 0.01 Albedo 0.7 EllipticalOrbit { Period 6.5809742861531071E-02 SemiMajorAxis 6876.4816 Eccentricity 0.00040989 Inclination 89.025446 AscendingNode 354.447149 ArgOfPericenter 302.414244 MeanAnomaly 80.713591 Epoch 2452350.9475 #2002 mar 17 10:46:50.875 } } "GRACE-2" "Sol/Earth" { Class "spacecraft" Mesh "galileo.3ds" Radius 0.01 Albedo 0.7 EllipticalOrbit { Period 6.5817078605004242E-02 SemiMajorAxis 6876.9926 Eccentricity 0.00049787 Inclination 89.024592 AscendingNode 354.442784 ArgOfPericenter 316.073923 MeanAnomaly 67.044158 Epoch 2452350.9475 #2002 mar 17 10:46:50.875 } }