WorldView-2

{{Infobox spaceflight|auto=all

| name = WorldView-2

| mission_type = Earth observation

| operator = 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 years
Elapsed: {{time interval|8 October 2009 18:51:01|show=ymd|sep=,}}

| spacecraft_bus = BCP-5000{{cite web |url=http://space.skyrocket.de/doc_sdat/worldview-2.htm |title=WorldView 2, 3 (WV 2, 3) |work=Gunter's Space Page |access-date=13 October 2016}}

| 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}} UTC{{cite web |url=http://planet4589.org/space/log/launchlog.txt |title=Launch Log |first=Jonathan |last=McDowell |work=Jonathan's Space Page |access-date=6 July 2014}}

| launch_rocket = Delta II 7920-10C, D-345

| launch_site = Vandenberg SLC-2W

| launch_contractor = Boeing{{\}}United Launch Alliance

| disposal_type =

| deactivated =

| last_contact =

| decay_date =

| orbit_epoch = 25 January 2015, 04:29:44 UTC{{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 |access-date=25 January 2015}}

| orbit_reference = Geocentric

| orbit_regime = Sun-synchronous

| orbit_periapsis = {{convert|772|km|mi|sp=us}}

| orbit_apoapsis = {{convert|773|km|mi|sp=us}}

| orbit_inclination = 98.40 degrees

| orbit_period = 100.16 minutes

| apsis = gee

| programme = DigitalGlobe fleet

| previous_mission = GeoEye-1

| next_mission = WorldView-3

}}

WorldView-2 (WV 2) is a commercial Earth observation satellite owned by 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.

{{cite web |url=http://www.asmmag.com/features/worldview-2 |archive-url=https://web.archive.org/web/20091031110740/http://www.asmmag.com/features/worldview-2 |archive-date=31 October 2009 |title=Worldview-2 |date=12 October 2009 |work=Magazine article |publisher=Asian Surveying and Mapping |access-date=12 October 2009}}

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.{{cite web |url=http://media.digitalglobe.com/index.php?s=press_release_popup&item=135 |title=DigitalGlobe Successfully Launches Worldview-1 |publisher=DigitalGlobe |access-date=17 October 2013 |archive-date=2 March 2009 |archive-url=https://web.archive.org/web/20090302000726/http://media.digitalglobe.com/index.php?s=press_release_popup&item=135 |url-status=dead }} It takes a new photograph of any place on Earth every 1.1 days.{{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}}

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 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.{{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 |access-date=12 October 2016}}

History

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.{{cite tweet |number=755505904770883584 |title=19 Jul: JSpOC ID'd debris causing event... |user=JointSpaceOps |author=JSpOC |author-link=Joint Space Operations Center |date=19 July 2016 |access-date=24 July 2016}}{{cite tweet |number=755553677134303232 |title=Collected by WorldView-2 today... |user=DigitalGlobe |author=DigitalGlobe |author-link=DigitalGlobe |date=19 July 2016 |access-date=24 July 2016}}

See also

{{Portal|Spaceflight}}

References

{{Reflist}}