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Title: Vrss-1  
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Subject: USA-234, Long March (rocket family), RISAT-1, MaSat-1, ST-2
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Mission type earth observation
Operator Bolivarian Agency for Space Activities
COSPAR ID 2012-052A[1]
SATCAT № 38782[1]
Mission duration 5 years[2]
Spacecraft properties
Bus CAST 2000
Manufacturer China Great Wall Industry Corporation
China Academy of Space Technology[2]
Launch mass 880 kilograms (1,940 lb) at launch[2]
Start of mission
Launch date 29 September 2012, 04:12 (2012-09-29T04:12Z) UTC
Rocket Chang Zheng 2D[2]
Launch site Jiuquan LA-4/SLS-2
Orbital parameters
Reference system Geocentric
Regime low earth orbit[1]
Eccentricity 0.0023[1]
Perigee 622 kilometres (386 mi)[1]
Apogee 654 kilometres (406 mi)[1]
Inclination 98.04[1][1]
Period 97.48[1]

VRSS-1 (Venezuelan Remote Sensing Satellite) is the first Venezuelan remote sensing satellite, and the second Venezuelan satellite after VENESAT-1. It will be used to study the territory of Venezuela and help with planning, agriculture and disaster recovery. It was built and launched by the Chinese and has been named after Venezuelan revolutionary Francisco de Miranda.[3]


A Long March 2D launching VRSS-1 on 29 September 2012
Ground track of VRSS

The satellite was built after a contract between Venezuela and China was signed in Caracas on 26 May 2011, and follows from their previous collaboration on VENESAT-1. The contract, worth $144.8 million USD, included $67.8 million for the satellite, $22m for the launch, $16m for the ground station in Venezuela and $22m for software. The main contractor is China Great Wall Industry Corporation and the satellite is based on the CAST 2000 bus developed by the China Academy of Space Technology.[2][4] One source posits that VRSS-1 is based upon the Chinese Yaogan-2 reconnaissance satellite.[5]

The satellite contains two different resolution cameras. The highest resolution ones have a resolution of 2.5 metres in panchromatic mode, and 10 metres in multispectral mode. The lower resolution cameras have a resolution of 16m. It will provide 350 images a day, with the first one on or about 10 October.[2][6]

The satellite will pass over Venezuela three or four times every 24 hours and will cover the same area of Venezuela every 57 days. It is controlled from the Base Aeroespacial Capitán Manuel Ríos in El Sombrero, Guárico and managed by Venezuela's Bolivarian Agency for Space Activities. It has an estimated life of 5 years.[2]


The satellite was launched on 29 September 2012 at 4:12 UTC from pad 603 at launch complex 43 at Jiuquan Launch Centre in China. It was launched by a Long March 2D rocket which put the satellite into low earth orbit. It was given the international designator 2012-052A and the United States Space Command assigned it the Satellite Catalog Number 38782.[2][1]


  1. ^ a b c d e f g h i j Christy, Robert. "2012-052". Retrieved 2012-09-29. 
  2. ^ a b c d e f g h Barbosa, Rui C (2012-09-28). "Chinese Long March 2D launches Venezuela’s VRSS-1 satellite". NASA Spaceflight. Retrieved 2012-09-29. 
  3. ^ "Venezuelan Satellite Launches Today". Venezuelan Embassy to the U.S. 29 September 2012. Retrieved 29 September 2012. 
  4. ^ "China and Venezuela Sign a Contract for VRSS-1 Remote Sensing Satellite Program". China Great Wall Industry Corporation. 27 May 2011. Retrieved 10 August 2012. 
  5. ^ "Yaogan". Dragon in Space. 29 May 2012. Retrieved 7 October 2012. 
  6. ^ "China Launches Earth-Observing Satellite for Venezuela". 1 October 2012. Retrieved 7 October 2012. 

External links

  • Satélite Miranda (VRSS-1) (in Spanish)
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