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Track TANDEM X now!
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TANDEM X is classified as:

NORAD ID: 36605
Int'l Code: 2010-030A
Perigee: 514.3 km
Apogee: 516.9 km
Inclination: 97.4 °
Period: 94.8 minutes
Semi major axis: 6886 km
RCS: 2.5155 m2 (large)
Launch date: June 21, 2010
Source: Germany (GER)

TANDEM-X will fly in formation with a similar satellite launched in 2007 to illuminate Earth with two radars from slightly different vantage points in space. TanDEM-X stands for TerraSAR-X add-on for Digital Elevation Measurement, according to DLR. TerraSAR-X has been collecting its own topographic images of Earth for nearly three years. The satellites will be separated by several hundred meters during normal operations, occasionally approaching within 200 meters, or 656 feet, of each other. TanDEM-X is designed to work for at least five years, including a three-year overlap with TerraSAR-X. Both satellites carry X-band radars capable of accumulating enough data in three years to fill 200,000 DVDs, equivalent to 1.5 petabytes, or one-and-a-half quadrillion bytes. The radars can map Earth during day and night passes and see through clouds and precipitation. The mission's data will produce gridded maps with a spatial resolution of 12 meters, or 39 feet. The maps will show elevation with an accuracy of less than 2 meters, or 6 feet.
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NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 36605U 10030A   24141.44311709  .00002066  00000-0  10155-3 0  9994
2 36605  97.4457 148.9880 0001885  94.2142 265.9308 15.19142475771603
Source of the keplerian elements: AFSPC