WorldView-2

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WorldView-2
Mission type Earth observation
Operator DigitalGlobe
COSPAR ID 2009-055A
SATCAT no. 35946
Website DigitalGlobe WorldView-2
Mission duration Planned: 7.25 years
Elapsed: 7 years, 6 months, 13 days
Spacecraft properties
Bus BCP-5000[1]
Manufacturer Ball Aerospace
Launch mass 2,800 kg (6,200 lb)
Power 3200 watts
Start of mission
Launch date 8 October 2009, 18:51:01 (2009-10-08UTC18:51:01) UTC[2]
Rocket Delta II 7920-10C, D-345[2]
Launch site Vandenberg SLC-2W[2]
Contractor Boeing / United Launch Alliance
Orbital parameters
Reference system Geocentric
Regime Sun-synchronous
Perigee 772 kilometers (480 mi)[3]
Apogee 773 kilometers (480 mi)[3]
Inclination 98.40 degrees[3]
Period 100.16 minutes[3]
Epoch 25 January 2015, 04:29:44 UTC[3]
DigitalGlobe fleet

WorldView-2 is a commercial Earth observation satellite owned by DigitalGlobe. WorldView-2 provides commercially available panchromatic imagery of 0.46 m (18 in) resolution, and eight-band multispectral imagery with 1.84 m (72 in) resolution.[4]

It was launched 8 October 2009 to become DigitalGlobe's third satellite in orbit, joining WorldView-1 which was launched in 2007 and QuickBird which was launched in 2001.[5] It takes a new photograph of any place on Earth every 1.1 days.[6]

Design[edit]

Ball Aerospace built the spacecraft, which includes an optical telescope that can image objects 18 in (460 mm) in diameter.

Launch[edit]

WorldView-2 was launched 8 October 2009 from Vandenberg Air Force Base on a Delta II flying in the 7920 configuration. The launch vehicle was provided by the United Launch Alliance and launch services were administered by Boeing.[7]

History[edit]

On 19 July 2016, the Joint Space Operations Center reported a debris causing event of at least 9 observable pieces, after which DigitalGlobe demonstrated the satellite to still be functional by releasing an image of downtown Oakland, California.[8][9]

See also[edit]

References[edit]

  1. ^ "WorldView 2, 3 (WV 2, 3)". Gunter's Space Page. Retrieved 13 October 2016. 
  2. ^ a b c McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 6 July 2014. 
  3. ^ a b c d e "WORLDVIEW 2 Satellite details 2009-055A NORAD 35946". N2YO. 25 January 2015. Retrieved 25 January 2015. 
  4. ^ "Worldview-2". Magazine article. Asian Surveying and Mapping. 12 October 2009. Archived from the original on 31 October 2009. Retrieved 12 October 2009. 
  5. ^ "DigitalGlobe Successfully Launches Worldview-1". DigitalGlobe. Retrieved 17 October 2013. 
  6. ^ Phillips, Nicky; Grubb, Ben; Aston, Heath. "Detection of MH370 debris required a 'human eyeball operation'". Sydney Morning Herald. 
  7. ^ Ray, Justin (8 October 2009). "Satellite launched to give truer view of the world". Spaceflight Now. Retrieved 12 October 2016. 
  8. ^ JSpOC [JointSpaceOps] (19 July 2016). "19 Jul: JSpOC ID'd debris causing event..." (Tweet). Retrieved 24 July 2016 – via Twitter. 
  9. ^ DigitalGlobe [DigitalGlobe] (19 July 2016). "Collected by WorldView-2 today..." (Tweet). Retrieved 24 July 2016 – via Twitter. 

External links[edit]