JMAPS
Abstract
Joint Milli-Arcsecond Pathfinder Survey (JMAPS) program. Joint strike operations require extremely accurate Positioning, Navigation, and Timing (PNT) systems in order to locate hostile threats with space-borne Intelligence Surveillance and Reconnaissance (ISR) systems, and then to deliver ordnance on precisely selected targets. The Navy provides a key component of PNT - the Celestial Reference Frame. This reference frame is defined in star catalogs that are used in conjunction with star trackers to determine orientation of space-based sensors to minimize target location error and the resultant weapon system accuracy. The accuracy of star positions (hence ability to hit desired target) is degrading with time due to the movement of stars since the last highly accurate space-based measurements of star positions (order of 1 milli-arcsecond) were made in 1991. The JMAPS initiative was to satisfy the emerging requirements for a new high accuracy star catalog through a space-based. However, the program was ahead of current war-fighter requirements and was terminated by Navy eliminating funding in FY13 and out.
Document Details
- Document Type
- Project
- Publication Date
- Oct 01, 2014
- Source ID
- 3229_0603207N_4_1319_PB_2014
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