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From Wikipedia, the free encyclopedia

CBERS-1
CBERS line draw.jpeg
Line drawing of the CBERS/ZY-1 spacecraft
Mission typeRemote sensing
OperatorCNSA / INPE[1]
COSPAR ID1999-057A
SATCAT no.25940
WebsiteCBERS
Mission duration2 years[2]
Spacecraft properties
Spacecraft typeCBERS
BusPhoenix-Eye 1[1]
Launch mass1,450 kg (3,200 lb)[2]
Power1,100 watts[2]
Start of mission
Launch date14 October 1999, 03:15 (1999-10-14UTC03:15Z) UTC[3]
RocketChang Zheng 4B
Launch siteTaiyuan LC-7
End of mission
DisposalDecommissioned
DeactivatedSeptember 2003 (2003-10)[4]
Orbital parameters
Reference systemGeocentric
RegimeSun-synchronous
Semi-major axis7,153.45 km (4,444.95 mi)
Eccentricity0.0004025
Perigee altitude779 km (484 mi)
Apogee altitude785 km (488 mi)
Inclination98.34 degrees
Period100.35 minutes
Epoch30 November 2013, 20:57:46 UTC[5]
 

China–Brazil Earth Resources Satellite 1 (CBERS-1), also known as Ziyuan I-01 or Ziyuan 1A, is a remote sensing satellite which was operated as part of the China–Brazil Earth Resources Satellite program between the China National Space Administration and Brazil's National Institute for Space Research.[1] The first CBERS satellite to fly, it was launched by China in 1999.[3]

CBERS-1 was a 1,450 kg (3,200 lb) spacecraft built by the China Academy of Space Technology and based on the Phoenix-Eye 1 satellite bus.[1] The spacecraft was powered by a single solar array, providing 1,100 watts of electricity for the satellite's systems.[2][6] The instrument suite aboard the CBERS-1 spacecraft consisted of three systems: the Wide Field Imager (WFI) produced visible-light to near-infrared images with a resolution of 260 metres (850 ft) and a swath width of 890 km (550 mi); a high-resolution CCD camera was used for multispectral imaging at a resolution of 20 metres (66 ft) with a swath width of 113 km (70 mi); the third instrument, the Infrared Multispectral Scanner (IMS), had a resolution of 80 metres (260 ft) and a swath width of 120 kilometres (75 mi).[7]

A Chang Zheng 4B carrier rocket, operated by the China Academy of Launch Vehicle Technology, was used to launch CBERS-1. The launch took place at 03:15 UTC on 14 October 1999, using Launch Complex 7 at the Taiyuan Satellite Launch Centre.[3] The satellite was successfully placed into a sun-synchronous orbit.

CBERS-1 was decommissioned in September 2003, almost four years after launch.[4] The derelict satellite remains in orbit; as of 30 November 2013 it is in an orbit with a perigee of 779 km (484 mi), an apogee of 785 km (488 mi), 98.34 degrees inclination and a period of 100.35 minutes. The orbit has a semimajor axis of 7,153.45 km (4,444.95 mi), and eccentricity of 0.0004025.[5]

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Transcription

References

  1. ^ a b c d Krebs, Gunter. "CBERS 1, 2, 2B / ZY 1A, 1B, 1B2". Gunter's Space Page. Retrieved 1 December 2013.
  2. ^ a b c d "CBERS-1 (China-Brazil Earth Resources Satellite) - 1st Generation Satellite Series". Earth Observation Portal. European Space Agency. Retrieved 1 December 2013.
  3. ^ a b c McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 1 December 2013.
  4. ^ a b "Civil Commercial Imagery Evaluation Workshop" (PDF). United States Geological Survey. 2007. Archived from the original (PDF) on 20 October 2011. Retrieved 1 December 2013.
  5. ^ a b "CBERS 1 Satellite details 1999-057A NORAD 25940". N2YO. 30 November 2013. Retrieved 1 December 2013.
  6. ^ "CBERS-1, 2 and 2B Description". INPE. Archived from the original on 20 January 2014. Retrieved 1 December 2013.
  7. ^ "CBERS-1, 2 and 2B Cameras". INPE. Archived from the original on 20 January 2014. Retrieved 1 December 2013.
This page was last edited on 21 December 2020, at 08:03
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