View source for Engineering:WorldView-2

{{italic title}}
{{Infobox spaceflight|auto=all
| name                  = ''WorldView-2''

| mission_type          = [[Astronomy:Earth observation satellite|Earth observation]]
| operator              = [[Company:DigitalGlobe|DigitalGlobe]]
| website               = [https://www.digitalglobe.com/about/our-constellation#worldview-2 DigitalGlobe WorldView-2]
| COSPAR_ID             = 2009-055A
| SATCAT                = 35946
| mission_duration      = Planned: 7.25&nbsp;years <br /> Elapsed: {{time interval|8 October 2009 18:51:01|show=ymd|sep=,}}

| spacecraft_bus        = BCP-5000<ref name="gunters">{{cite web |url=http://space.skyrocket.de/doc_sdat/worldview-2.htm |title=WorldView 2, 3 (WV 2, 3) |work=Gunter's Space Page |accessdate=13 October 2016}}</ref>
| manufacturer          = Ball Aerospace
| dry_mass              = 
| launch_mass           = {{convert|2800|kg|abbr=on}}
| power                 = 3200 watts

| launch_date           = {{start-date|8 October 2009, 18:51:01}}&nbsp;UTC<ref name="launchlog">{{cite web |url=http://planet4589.org/space/log/launchlog.txt |title=Launch Log |first=Jonathan |last=McDowell |work=Jonathan's Space Page |accessdate=6 July 2014}}</ref>
| launch_rocket         = [[Engineering:Delta II|Delta II]] 7920-10C, D-345<ref name="launchlog" />
| launch_site           = {{wipe|Vandenberg Air Force Base}} SLC-2W<ref name="launchlog" />
| launch_contractor     = [[Company:Boeing|Boeing]]{{\}}[[Company:United Launch Alliance|United Launch Alliance]]

| disposal_type         = 
| deactivated           = 
| last_contact          = 
| decay_date            =

| orbit_epoch           = 25 January 2015, 04:29:44&nbsp;UTC<ref name="n2yo">{{cite web |url=http://www.n2yo.com/satellite/?s=35946 |title=WORLDVIEW 2 Satellite details 2009-055A NORAD 35946 |publisher=N2YO |date=25 January 2015 |accessdate=25 January 2015}}</ref>
| orbit_reference       = [[Astronomy:Geocentric orbit|Geocentric]]
| orbit_regime          = [[Astronomy:Sun-synchronous orbit|Sun-synchronous]]
| orbit_periapsis       = {{convert|772|km|mi|sp=us}}<ref name="n2yo"/>
| orbit_apoapsis        = {{convert|773|km|mi|sp=us}}<ref name="n2yo"/>
| orbit_inclination     = 98.40&nbsp;degrees<ref name="n2yo"/>
| orbit_period          = 100.16&nbsp;minutes<ref name="n2yo"/>
| apsis                 = gee

| programme             = DigitalGlobe fleet
| previous_mission      = ''GeoEye-1''
| next_mission          = ''WorldView-3''
}}

'''''WorldView-2''''' is a commercial [[Astronomy:Earth observation satellite|Earth observation satellite]] owned by [[Company:DigitalGlobe|DigitalGlobe]]. ''WorldView-2'' provides commercially available panchromatic imagery of {{convert|0.46|m|in|abbr=on}} resolution, and eight-band multispectral imagery with {{convert|1.84|m|in|abbr=on}} resolution.<ref name="ASM">
{{cite web |url=http://www.asmmag.com/features/worldview-2 |archiveurl=https://web.archive.org/web/20091031110740/http://www.asmmag.com/features/worldview-2 |archivedate=31 October 2009 |title=Worldview-2 |date=12 October 2009 |work=Magazine article |publisher=Asian Surveying and Mapping |accessdate=12 October 2009}}
</ref>

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.<ref name=wv1>{{cite web |url=http://media.digitalglobe.com/index.php?s=press_release_popup&item=135 |title=DigitalGlobe Successfully Launches Worldview-1 |publisher=DigitalGlobe |accessdate=17 October 2013}}</ref> It takes a new photograph of any place on Earth every 1.1 days.<ref>{{cite news |url=http://www.smh.com.au/national/detection-of-mh370-debris-required-a-human-eyeball-operation-20140321-358rx.html |title=Detection of MH370 debris required a 'human eyeball operation' |first=Nicky |last=Phillips |first2=Ben |last2=Grubb |first3=Heath |last3=Aston |newspaper=Sydney Morning Herald}}</ref>

==Design==
Ball Aerospace built the spacecraft, which includes an optical telescope that can image objects {{convert|18|in|abbr=on}} in diameter.

==Launch==
''WorldView-2'' was launched 8 October 2009 from {{wipe|Vandenberg Air Force Base}} on a [[Engineering:Delta II|Delta II]] flying in the 7920 configuration. The launch vehicle was provided by the [[Company:United Launch Alliance|United Launch Alliance]] and launch services were administered by [[Company:Boeing|Boeing]].<ref name="sfnow20091008">{{cite news |url=http://www.spaceflightnow.com/delta/d345/ |title=Satellite launched to give truer view of the world |work=Spaceflight Now |first=Justin |last=Ray |date=8 October 2009 |accessdate=12 October 2016}}</ref>

==History==
On 19 July 2016, the [[Social:Joint Space Operations Center|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.<ref>{{cite tweet |number=755505904770883584 |title=19 Jul: JSpOC ID'd debris causing event... |user=JointSpaceOps |author=[[Social:Joint Space Operations Center|JSpOC]] |date=19 July 2016 |access-date=24 July 2016}}</ref><ref>{{cite tweet |number=755553677134303232 |title=Collected by WorldView-2 today... |user=DigitalGlobe |author=[[Company:DigitalGlobe|DigitalGlobe]] |date=19 July 2016 |access-date=24 July 2016}}</ref>

==See also==
* 2009 in spaceflight

==References==
{{reflist}}

==External links==
* [https://www.digitalglobe.com/about/our-constellation#worldview-2 ''WorldView-2''] at Digitalglobe.com
* [http://www.satimagingcorp.com/satellite-sensors/worldview-2/ ''WorldView-2'' sensor information] at Satimagingcorp.com



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{{Sourceattribution|WorldView-2|1}}