To rapidly design three dimensional low-thrust safe trajectories for spacecraft orbit transfer and rendezvous problems, an analytic shape-based approach is proposed.
For example, using only 59 m/s and 158 days, a spacecraft can transfer between a close resonant orbit of Ganymede and a close resonant orbit of Europa.
The comparison of the total power budget in Table 8 shows that the maximum power consumption of MAQRO in science mode is identical to the power consumption of the spacecraft in transfer orbit.
With a small impulse (Δv≈100m/s), the spacecraft is transferred back to a GEO shadowing an orbit of the unstable manifold of a libration point orbit.
The spacecraft was transferred on 1 February into a series of four elliptical planetary orbits (pericenter, 867 km).
In addition, these technologies are required for spacecraft and orbit transfer vehicle propulsion and power systems, and space life support.
Bipropellant thruster, which is mainly used in spacecraft for orbit transfer and station keeping, utilizes toxic propellants: hydrazine and nitrogen tetroxide despite relatively high specific impulse.
The small spacecraft used to transfer these to the target guarantees the manoeuvre capabilities during the interplanetary journey, the protection against radiations along the path and the telecommunication relay functions for the data transmission with Earth stations.
In this work the problem of a spacecraft bi-impulsive transfer between two given non coplanar elliptical orbits, with minimum fuel consumption, is solved considering a non-Keplerian force field (the perturbing forces include Earth gravity harmonics and atmospheric drag).
The 13 space travelers had a final job to accomplish together before the hatches between their spacecraft were closed, transferring a moving van holding a ton of trash and discarded equipment back aboard the Discovery.
