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QZS-1 (MICHIBIKI)

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QZS-1 (MICHIBIKI) is classified as:


NORAD ID: 37158
Int'l Code: 2010-045A
Perigee: 32,603.7 km
Apogee: 38,984.6 km
Inclination: 41.1 °
Period: 1,436.1 minutes
Semi major axis: 42165 km
RCS: 8.9125 m2 (large)
Launch date: September 11, 2010
Source: Japan (JPN)
Launch site: TANEGASHIMA SPACE CENTER (TNSTA)

QZS-1 (MICHIBIKI) is the first of three planned satellites to fill coverage gaps from U.S. Global Positioning System satellites caused by signal blockage from mountains and skyscrapers. Developed by the Japan Aerospace Exploration Agency (JAXA) and four government ministries, the Quasi-Zenith Satellite System is aimed at overcoming ground interference by launching more navigation satellites strategically positioned high in the sky above Asia. The line-of-sight navigation signals from GPS satellites can be interrupted in rural hamlets and skyscraper-filled cities like Tokyo, where users occasionally lack sufficient data to determine their position, elevation and time. JAXA says a constellation of three QZSS spacecraft would make three-dimensional navigation coverage available 99.8 percent of the time, an improvement over the estimated 90 percent availability with GPS satellites today. MICHIBIKI will circle the Earth at a 45-degree angle to the equator. Its orbital high point will be more than 24,000 miles (38,600 km) over the northern hemisphere and its lowest altitude will be 20,500 miles (33,000 km), according to JAXA. Projected against Earth's surface, MICHIBIKI's ground track will chart an asymmetric figure-eight pattern stretching from Japan to Australia as it alternates north and south of the equator.
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NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 37158U 10045A   18143.36239380 -.00000099  00000-0  00000+0 0  9993
2 37158  41.0588 154.3985 0756662 270.2993  84.7499  1.00270291 28161
Source of the keplerian elements: AFSPC