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[4], The satellite was constructed from aluminum and used graphite struts. 1.2, April 2020): U.S. Geological Survey Fact Sheet 2015–3081, 4 p., https://doi.org/10.3133/fs20153081. [2], Landsat 6 was launched aboard a Titan II launch vehicle from Vandenberg Air Force Base on October 5, 1993. (Read NOAA press release from March 1995.). The ETM instrument also included an eighth band with a spatial resolution of 15 m. Both boards determined that Landsat 6 did not achieve orbit due to a ruptured hydrazine manifold, and recommended a task force investigate hydrazine feed systems that were more reliable. The satellite did not achieve orbit because of a ruptured hydrazine manifold. Landsat 6 was to circle the Earth in a sun-synchronous orbit at an altitude of 705 km (438 miles), inclined at 98.2 degrees (slightly retrograde), and the Worldwide Reference System-2 (WRS-2) path/row system. The separation from the booster rocket occurred properly, however, the ruptured rocket fuel chamber prevented fuel from reaching the apogee kick motor. It was launched on October 5, 1993 with a Titan II launch vehicle, but failed to reach orbit. The ETM instrument also included an eighth band with a spatial resolution of 15 m. The eighth band was known as the sharpening band or panchromatic band. Landsat 6 On October 5, 1993 the EOSAT-owned Landsat 6 failed at launch after not reaching the velocity necessary to obtain orbit. [2], Even though Landsat 6 separated from the rocket at the appropriate time and place, the satellite failed to reach orbit. Since 1972, Landsat satellites have continuously acquired space-based images of the Earth’s land surface, providing data that serve as valuable resources for land use/land change research. Martin Marietta Astro Space designed and built the satellite, and Earth Observation Satellite Company (EOSAT) was responsible for development of the spacecraft and ground system under a Commerce Department contract. The Enhanced Thematic Mapper (NASA Landsat Science). Landsat 6 carried an Enhanced Thematic Mapper (ETM). The ETM sensor would have collected data in the same seven spectral bands and at the same spatial resolutions as the TM instrument on Landsats 4 and 5. A sketch of what the Landsat 6 satellite would have looked like in orbit. Geographic Names Information System (GNIS), Mapping, Remote Sensing, and Geospatial Data, Earth Resources Observation and Science (EROS) Center, Earth Resources Observation and Science Center. It was launched on October 5, 1993 with a Titan II launch vehicle, but failed to reach orbit. On October 5, 1993 the EOSAT-owned Landsat 6 failed at launch after not reaching the velocity necessary to obtain orbit. The spacecraft was powered by one solar array that had single-axis articulation and produced 1430 W. The power was stored in two NiCd batteries that had a capacity of 100 Ah. Eight spectral bands, including a pan and thermal band: Band 4 Near-Infrared (0.76 - 0.90 µm) 30 m, Band 5 Near-Infrared (1.55 - 1.75 µm) 30 m, Band 7 Mid-Infrared (2.08 - 2.35 µm) 30 m, Band 8 Panchromatic (PAN) (0.52 - 0.90 µm) 15 m, Ground Sampling Interval (pixel size): 30 m reflective, 120 m thermal, Power provided by a single sun-tracking solar array and two 50 Ampere-Hour (AHr), Nickel Cadmium (NiCd) batteries, Attitude control provided through four reaction wheels (pitch, yaw, roll, and skew); three 2-channel gyros with celestial drift updating; a static Earth sensor; a 1750 processor; and torque rods and magnetometers for momentum uploading, Orbit control and backup momentum unloading provided through a blow-down monopropellant hydrazine system with a single tank containing 270 pounds of hydrazine, associated plumbing, and twelve 1-pound-thrust jets. Landsat 6 had a hydrazine propulsion system. Landsat 6 carried an Enhanced Thematic Mapper (ETM). Landsat 6, equipped with upgraded versions of the instruments on Landsat 5, was designed to carry forward the Landsat program. [2], "Landsat 6 failure attributed to ruptured manifold", https://en.wikipedia.org/w/index.php?title=Landsat_6&oldid=946541138, Creative Commons Attribution-ShareAlike License, This page was last edited on 20 March 2020, at 20:50. Launch Date: October 5, 1993; Status: lost at launch Sensor: ETM + read about the history of Landsat 6 In 1993, with Landsats 4 and 5 both beyond their design lives, the loss of Landsat 6, and a nascent Landsat 7 program, it seemed that a data gap was imminent.

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