The Orbit Design of ASTROD-GW

Details The Orbit Design of ASTROD-GW The Orbit Design of ASTROD-GW

Apr 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010acasn..51..198m&link_type=abstract

Acta Astronomica Sinica, vol. 51, no.2, p. 198-209

Astronomy and Astrophysics

Astronomy

2

Space Vehicles, Gravitation Waves: Detection

Scientific paper

ASTROD-GW (ASTROD [Astrodynamical Space Test of Relativity Using Optical Devices] Optimized for Gravitation Wave Detection) is an optimization of ASTROD to focus on the goal of detecting gravitational waves. Its detectable wavelength is 52 times that of LISA (Laser Interferometer Space Antenna). In this paper, the mission orbit design of ASTROD-GW together with the optimization methods is presented. The mission orbits of the 3 spacecraft forming a nearly equilateral triangular array are chosen to be near the Sun-Earth Lagrangian points L3, L4 and L5. The arm lengths are about 260 million kilometers. After optimization, the variations of arm length differences are less than 10-4 AU in ten years, and the Doppler velocities of these three spacecraft are less than 4 m/s, both of which meet what required by LISA. Therefore, a number of techniques developed by LISA can be applied to ASTROD-GW.

Affiliated with

Also associated with

No associations

Rating

The Orbit Design of ASTROD-GW does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with The Orbit Design of ASTROD-GW, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The Orbit Design of ASTROD-GW will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1801491