Mission Design for the CubeSat OUFTI-1

CHAPTER 8.POWER SYSTEM8.3.2 Elliptic orbit with orbital elements after one yearmission and circular orbitAs in this analysis the orbital parameters are supposed to be constant, we wouldlike to have an idea of the power available after one year mission, assuming thatthe system will be able to work till that moment. We imposed then the orbitalparameters obtained by the perturbation study:Table 8.3: Elliptic orbit with orbital parameters after one yearPerigee altitude [Km] 341Apogee altitude [Km] 1036Semi-major axis [Km] 7067Eccentricity 0.0491Right ascension of ascending node ◦ 279Argument of perigee ◦ 128Inclination ◦ 71Starting with those parameters, we have the power produces represented infigure 8.7Figure 8.7: Total power and integrated power for the orbital parameters afterone year missionAs we can see, the difference is really small: we can therefore assume thatafter one year mission we will still have enough power.The same analysis has been performed for the circular orbit at 350 Kmaltitude: the results are in figure 8.8We find out that the total integrated power is lower than in the ellipticcase. Even if this lack in power could appear as a main drawback, the situationGalli Stefania 81 University of Liège