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[PDF] Top 20 Extension of the Molniya orbit using low-thrust propulsion

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Extension of the Molniya orbit using low-thrust propulsion

Extension of the Molniya orbit using low-thrust propulsion

... The American Icesat satellite, used to measure ice sheet mass balance, cloud and aerosol heights in addition to land topography, was inclined at 94deg to the equator. The field of view of the instruments meant that ... See full document

20

Extension of earth orbits using low-thrust propulsion

Extension of earth orbits using low-thrust propulsion

... of low-thrust propulsion applied to conventional orbits to produce novel orbits to enable new EO mission design in a similar manner to the extension of the Sun-synchronous orbit for ... See full document

13

Extension of highly elliptical Earth orbits using continuous low-thrust propulsion

Extension of highly elliptical Earth orbits using continuous low-thrust propulsion

... The extension of highly elliptical orbits, with free selection of orbit period, using low- thrust propulsion is ...existing low-thrust propulsion technology, ... See full document

36

Extension of Martian orbits using continuous low-thrust propulsion

Extension of Martian orbits using continuous low-thrust propulsion

... Continuous low-thrust propulsion has been shown to enable novel orbits around Mars for enhanced remote ...inclination orbit an acceleration of ...achievable using existing Electric ... See full document

18

Extension of low-thrust propulsion to the autonomous coplanar circular restricted four body problem with application to future Trojan Asteroid missions

Extension of low-thrust propulsion to the autonomous coplanar circular restricted four body problem with application to future Trojan Asteroid missions

... As a result completely novel, bounded orbits are proved to exist, that in the Sun-Jupiter-Trojan Asteroid-Spacecraft system can be maintained with a constant thrust lower than 10µN oriented in a fixed direction. ... See full document

12

Extension of the proximity-quotient control law for low-thrust propulsion

Extension of the proximity-quotient control law for low-thrust propulsion

... In general, NEO deflection techniques fall into four broad categories [7]: kinetic impacts, propulsive devices, induced changes to the asteroid surface, and ablation devices. A previous study by the authors compared the ... See full document

10

Sun-synchronous highly elliptical orbits using low-thrust propulsion

Sun-synchronous highly elliptical orbits using low-thrust propulsion

... orbits, using methods detailed in recent research for the extension of sun-synchronous orbits ...the thrust magnitude required is not defined as a function of the local gravity field but instead by ... See full document

15

Design of optimal Earth pole-sitter transfers using low-thrust propulsion

Design of optimal Earth pole-sitter transfers using low-thrust propulsion

... geostationary orbit (GEO), but it is well known that high latitude regions are out of sight for GEO ...polar Molniya orbits [1] and a pole-sitter platform ... See full document

27

Static highly elliptical orbits using hybrid low-thrust propulsion

Static highly elliptical orbits using hybrid low-thrust propulsion

... Such orbit extensions are termed Taranis orbits ...Taranis orbit inclined at 90deg to the equator to enable continuous observation of frigid and neighboring temperate ...considered using Solar ... See full document

35

Novel orbits of Mercury, Venus and Mars enabled using low-thrust propulsion

Novel orbits of Mercury, Venus and Mars enabled using low-thrust propulsion

... sun-synchronous orbit at Venus with an argument of periapsis value of 270 degrees as a result of the numerical ...per orbit is shown to be achieved, with negligible changes in semi-major axis, eccentricity ... See full document

26

Survey of highly non-Keplerian orbits with low-thrust propulsion

Survey of highly non-Keplerian orbits with low-thrust propulsion

... mission using a solar sail to hover above (or below) the Earth in such a displaced ...electric propulsion rather than solar ...important extension of the solar sail three-body problem was made in ... See full document

54

Design of optimal Earth pole-sitter transfers using low thrust propulsion

Design of optimal Earth pole-sitter transfers using low thrust propulsion

... performed using data retrieved from satellites in highly inclined, low Earth orbits, restricting them to observe only narrow swaths of the polar regions during each ...extended Molniya orbits 1 and a ... See full document

17

Combined high and low-thrust geostationary orbit insertion with radiation constraint

Combined high and low-thrust geostationary orbit insertion with radiation constraint

... electric propulsion thrust, assuming two QinetiQ T6 electric propulsion thrusters, with the mass inserted into GTO, the spacecraft wet mass, being varied from 2000 – 9100 ...and ... See full document

21

Artificial halo orbits for low-thrust propulsion spacecraft

Artificial halo orbits for low-thrust propulsion spacecraft

... electric propulsion, is the only option to generate artificial halo orbits around points inaccessible to a solar ...such low-thrust propulsion systems are obtained by using the ... See full document

16

Analysis of NEOs reachability with nano-satallites and low-thrust propulsion

Analysis of NEOs reachability with nano-satallites and low-thrust propulsion

... Minimum Orbit Intersec- tion Distance (MOID ≤ ...even using low-thrust ...electric propulsion (SEP) engine with a specific impulse I sp of 1200 s and a thrust level that ... See full document

15

Automatic trajectory planning for low-thrust active removal mission in Low-Earth Orbit

Automatic trajectory planning for low-thrust active removal mission in Low-Earth Orbit

... with low-thrust propulsion engine, attach a de-orbit device to each target to be removed; in the Deorbiting VRP strategy the servicing spacecraft grab the targets and deorbit them using ... See full document

53

Multi-objective optimisation of constellation deployment using low-thrust propulsion

Multi-objective optimisation of constellation deployment using low-thrust propulsion

... in orbit around the Earth increases it is also paramount to devise an appropri- ate de-orbiting strategy for the spacecraft at the end of the constellation ...a propulsion system with sufficient propellant ... See full document

16

Optimal options for rendezvous and impact missions to NEOs

Optimal options for rendezvous and impact missions to NEOs

... For certain types of investigation, related to the assessment of the threat, space mission offer unique opportunities with respect to ground-based observation. Due to the difficulties related to the observation of these ... See full document

9

Non-Keplerian orbits using low thrust, high ISP propulsion systems

Non-Keplerian orbits using low thrust, high ISP propulsion systems

... constrained propulsion systems such as SEP, be equally applied to the Lagrange points of Planet-Sun systems as well as those of Moon-Planet ...constrained propulsion systems, such as solar sailing, the ... See full document

15

Low thrust propulsion in a coplanar circular restricted four body problem

Low thrust propulsion in a coplanar circular restricted four body problem

... for low-thrust spacecraft has been extensively investigated from the late ...of low-thrust propulsion, which have been studied in this context, are solar sails and SEP, the latter ... See full document

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