NDLI: Accurate attitude determination of the lace satellite

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Accurate attitude determination of the lace satellite

Content Provider	NASA Technical Reports Server (NTRS)
Author	Lemos, P. J. Campion, R. E. Tran, T. Miglin, M. F.
Copyright Year	1993
Description	The Low-power Atmospheric Compensation Experiment (LACE) satellite, launched in February 1990 by the Naval Research Laboratory, uses a magnetic damper on a gravity gradient boom and a momentum wheel with its axis perpendicular to the plane of the orbit to stabilize and maintain its attitude. Satellite attitude is determined using three types of sensors: a conical Earth scanner, a set of sun sensors, and a magnetometer. The Ultraviolet Plume Instrument (UVPI), on board LACE, consists of two intensified CCD cameras and a gimbal led pointing mirror. The primary purpose of the UVPI is to image rocket plumes from space in the ultraviolet and visible wavelengths. Secondary objectives include imaging stars, atmospheric phenomena, and ground targets. The problem facing the UVPI experimenters is that the sensitivity of the LACF satellite attitude sensors is not always adequate to correctly point the UVPI cameras. Our solution is to point the UVPI cameras at known targets and use the information thus gained to improve attitude measurements. This paper describes the three methods developed to determine improved attitude values using the UVPI for both real-time operations and post observation analysis.
File Size	947332
Page Count	14
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19930015537
Archival Resource Key	ark:/13960/t4jm75z0b
Language	English
Publisher Date	1993-02-01
Access Restriction	Open
Subject Keyword	Astrodynamics Charge Coupled Devices Solar Sensors Reaction Wheels Magnetometers Gimbals Imaging Techniques Momentum Attitude Indicators Plumes Real Time Operation Attitude Inclination Ultraviolet Radiation Exhaust Gases Satellite Attitude Control Cameras Rocket Exhaust Mirrors Conical Scanning Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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