SBSS = Minotaur 4 - 26.09.10 08:41 ЛМВ - Vandenberg

[Salo]

http://www.spaceflightnow.com/tracking/index.html

Oct. 23    Minotaur 4  •  SBSS
Launch time: 0441 GMT (12:41 a.m. EDT)
Launch site: SLC-8, Vandenberg Air Force Base, Calif.

The Air Force Minotaur 4 rocket will launch the first satellite of the Space-Based Surveillance System. SBSS will join a network
of ground sensors that track satellites in orbit around Earth. The launch will be the maiden flight of the Minotaur 4 rocket,
which is partially comprised of retired Peacekeeper motors. [Aug. 3]

[Salo]

http://msdb.gsfc.nasa.gov/launches.php

10/31/2009, 0441-0455Z   SBSS   U.S. Air Force   Minotaur IV   U.S Air Force   Vandenberg Air Force Base   MGS

[Salo]

http://www.globalsecurity.org/space/systems/sbss.htm
http://www.as.northropgrumman.com/products/stss/index.html

http://www.boeing.com/defense-space/space/satellite/sbss.html

[Salo]

http://www.spaceflightnow.com/tracking/index.html

Oct. 31    Minotaur 4  •  SBSS
Launch time: Approx. 0441 GMT (12:41 a.m. EDT)
Launch site: SLC-8, Vandenberg Air Force Base, Calif.

The Air Force Minotaur 4 rocket will launch the first satellite of the Space-Based Surveillance System. SBSS will join a network
of ground sensors that track satellites in orbit around Earth. The launch will be the maiden flight of the Minotaur 4 rocket, which
is partially comprised of retired Peacekeeper motors. Delayed from Oct. 23.

[интересующийся]

Это ж STSS'ы: http://www.as.northropgrumman.com/products/stss/gallery.html

[Salo]

Что впрочем и написано на ссылке. Спасибо за поправку.

[интересующийся]

Что впрочем и написано на ссылке. Спасибо за поправку.

Во блин, точно, стоило такую маляву вставлять! :oops:

[Брабонт]

Запуск отложен на неопределённое время из-за проблем с носителем.

http://spaceflightnow.com/news/n0910/05minotaur/

The launch of a pathfinder space tracking satellite is on hold due to problems with equipment on its Minotaur 4 rocket, the Air Force said Monday in a written statement.

"There is a problem with the (government-furnished equipment) hardware that supports the third stage of the launch vehicle. There are several corrective actions being investigated," the statement said.

[Брабонт]

Специалистам по работе с Google нижайшая просьба помочь со ссылками по ТТХ оптоэлектроники SBSS... В отличие от SBV на MSX пока не нахожу ничего конкретного.

[Sharicoff]

Насчет запуска SBSS - видимо курить бамбук до декабря 2010...

http://www.spacenews.com/military/091231-launcher-issues-blamed-sbss-slip.html

[ОАЯ]

Не люблю .pdf, но...
Небольшой свеженький отчетик -
http://www.ll.mit.edu/publications/Annual_Report_2009.pdf
Для зацепок поиска -
http://www.dtic.mil/descriptivesum/Y2010/AirForce/0604425F.pdf

И с интересом почитать и посмотреть. Без занудных формул:

http://www.cdi.org/pdfs/ssa2shepherd.pdf
http://www.vitrociset.it/index/images/Innovazione/nurcdatafusion.pdf
http://space.au.af.mil/au-18-2009/au-18_chap13.pdf
http://www-hades.gsi.de/
http://www.spacesecurityprogramme.org/uploads/ssp/space_sec_session%205_Sreehari%20Rao.pdf

[Salo]

http://www.spacenews.com/military/2010-01-04-air-force-will-pay-place-sbss-satellite-storage.html

01/4/10 04:10 PM ET
U.S. Air Force Will Pay to Place SBSS Satellite in Storage
By Turner Brinton

WASHINGTON — The U.S. Air Force will contract to have its Space Based Space Surveillance (SBSS) system satellite
placed into storage due to continued technical difficulties with the Minotaur 4 rocket that have delayed the spacecraft's
launch indefinitely, according to government documents.

The Minotaur 4 rocket, built by Orbital Sciences Corp. of Dulles, Va., and based in part on excess missile motors, was
originally planned to debut in October 2009 with the SBSS launch. But the Air Force issued a statement that month saying
the rocket had problems and would remain grounded indefinitely, though no further explanation was given.

In a solicitation posted Dec. 22 on the Federal Business Opportunities Web site, the Air Force stated it plans to issue a new
contract to store the SBSS satellite and prepare it for launch when the rocket problems are resolved. The posting also said
the estimated launch date had slipped to December 2010.

Responding to a Dec. 28 request for a further explanation of the first Minotaur 4's delay, Air Force spokeswoman LaGina
Jackson said the service would be unable to provide more detailed information by press time. On Dec. 29, the service
revised the Dec. 22 posting to say that the SBSS launch date is "unknown pending the availability of the launch vehicle."

The Minotaur 4 relies on retired U.S. Peacekeeper missile motors for its first three stages with a commercial fourth stage.
The rocket's problem lies with the gas generator on the third-stage motor, according to an industry source. The
generator continues to run after the motor shuts off, creating residual thrust that affects the rocket's ability to place
a satellite into a precise orbit.

The SBSS spacecraft is intended to keep tabs on objects in space, particularly in geosynchronous orbit 36,000 kilometers
above the equator — the operating location of most communications satellites. SBSS has encountered numerous delays
due to technical issues during its development, and the program was restructured in 2007.

The Air Force said responses to its SBSS storage solicitation are due Jan. 15 and that it has not yet decided whether to
issue a sole-source award to the program's prime contractor, Boeing Space and Intelligence Systems of Seal Beach,
Calif. Ball Aerospace & Technologies Corp. of Boulder, Colo., is responsible for the SBSS space segment.

[Salo]

http://www.spaceflightnow.com/news/n1003/17minotaur/

Minotaur 4 rocket's third stage ready for testing
BY STEPHEN CLARK
SPACEFLIGHT NOW
Posted: March 17, 2010

Engineers will test a redesigned part of the Minotaur 4 rocket's third stage later this month to ensure it eliminates unintended
thrust from the motor, potentially clearing the way for a foursome of military launches this spring and summer, an Air Force
spokesperson said.
 
   
The Minotaur 4 pathfinder vehicle on the pad in California.
Credit: Orbital Sciences

Teams from ATK, Orbital Sciences Corp., Northrop Grumman Corp., and the Air Force Space Development and Test Wing
developed a diffuser for the third stage of the four-stage rocket.

Taken from retired Peacekeeper missile stockpiles, the SR120 third stage is considered government-furnished equipment. The
Minotaur 4 is propelled into space by three Peacekeeper stages, then an Orion 38 fourth stage motor inserts payloads into orbit.

The first flight of the new rocket was delayed from last year after analyses indicated the gas generator device that powers the
third stage steering system would produce unintended thrust after the motor burns out.

Officials were concerned cold gas attitude control thrusters would attempt to compensate for the unintended thrust.

"It was possible before the diffuser fix mentioned above was implemented that this moment would eventually cause the depletion
of this cold gas during long coast periods, possibly causing loss of control," an Air Force Space Development and Test Wing
spokesperson said.

The diffuser will be installed on all Minotaur 4 third stages to reduce the gas generator's unintended thrust to acceptable levels
well within the control abilities of the cold gas thrusters, according to the Air Force.

A Peacekeeper SR120 motor outfitted with the diffuser will be ignited during a ground test March 31.

"This static fire will provide additional confidence that the implemented diffuser solution is functioning as designed," the Air Force
said in a statement.

If the test goes well, a suborbital three-stage Minotaur 4 rocket will launch a Defense Advanced Research Projects Agency
high-speed glider around April 20. The Hypersonic Technology Vehicle, or HTV, will be boosted to a precise point in space from
Vandenberg Air Force Base, Calif., then follow a series of programmed range and cross-range maneuvers before impacting near
Kwajalein Atoll in the Pacific Ocean.

The third stage diffuser will fly on the HTV mission as a demonstration, although the suborbital flight does not require the new
system.

Three satellite launches are scheduled as soon as this summer, beginning with a multi-payload mission for the Air Force Space
Test Program no earlier than May 28. Launching from Kodiak Island, Alaska, the Minotaur 4 rocket will shoot a cache of military,
NASA and university satellites into orbit.

The 2,200-pound Space Based Space Surveillance satellite is also on the Minotaur manifest. The $800 million mission, also called
SBSS Block 10, features an optical telescope to track objects circling in geosynchronous orbit 22,300 miles above Earth.

SBSS could launch as soon as July, pending the results of ground and flight tests of the third stage gas generator diffuser, the
Air Force said. A specific target launch could be determined in the next two weeks.

The SBSS launch has been pushed back about three years, partially due to rocket issues. In a March 10 statement to the Senate
Armed Services Committee's Subcommittee on Strategic Forces, a Government Accountability Office manager stated SBSS
program officials and contractors are studying the feasibility of launching the payload on a larger Delta 2 rocket.

The Air Force spokesperson said the Minotaur 4 vehicle remains baselined to launch SBSS.

Alaska will be the starting point for another Minotaur 4 flight around August, when the solid-fueled rocket will launch the
military's experimental TacSat 4 satellite. TacSat 4 will test new tactical reconnaissance and surveillance sensors.

At least eight Minotaur 4 rockets are slated to launch orbital and suborbital missions over the next few years.

[Yra Napr]

А военно-космические исследования у наших заклятых друзей в этом году ожидаются весьма насыщенными - целых четыре Минотавра, согласно SFN запланировано -

May 28    Minotaur 4  •  STP S26
Launch time: TBD
Launch site: Kodiak Island, Alaska

The Air Force Minotaur 4 rocket will launch a group of satellites in a launch opportunity sponsored by the Air Force's Space Test Program. The payloads include the Air Force's STPSat 2 satellite, NASA's FASTSAT (Fast, Affordable, Science and Technology Satellite), two FASTRAC spacecraft from the University of Texas, the Air Force Academy's FalconSat 5 satellite, and NASA's O/OREOS CubeSat mission.

August    Minotaur 4  •  TacSat 4
Launch time: TBD
Launch site: Kodiak Island, Alaska

The Air Force Minotaur 4 rocket will launch the experimental TacSat 4 demonstration satellite for the military's Operationally Responsive Space office. TacSat 4 will test new satellite communications systems.

3rd Quarter    Minotaur 4  •  SBSS
Launch time: TBD
Launch site: SLC-8, Vandenberg Air Force Base, California

The Air Force Minotaur 4 rocket will launch the first satellite of the Space-Based Surveillance System. SBSS will join a network of ground sensors that track satellites in orbit around Earth. The launch will be the maiden flight of the Minotaur 4 rocket, which is partially comprised of retired Peacekeeper motors. Delayed from Oct. 23, Oct. 30 and April.

October    Minotaur 1  •  ORS 1
Launch time: TBD
Launch site: Wallops Island, Va.

The Air Force Minotaur 1 rocket will launch the Operationally Responsive Space 1, or ORS 1, satellite. ORS 1 will support the military's intelligence, surveillance and reconnaissance needs by hosting an innovative sensor system.

[Космос-3794]

Boeing, which teamed with Ball Aerospace & Technologies Corp. of Boulder, Colo., to build the first SBSS satellite, was prepared to enter into a firm, fixed-price contract for the second SBSS, which is intended as an identical copy of the first.
Instead of awarding a sole-source contract to Boeing and Ball, the Air Force has elected to hold a competitive bidding round with the intention of awarding a new contract this year. Cooning said a draft request for proposals for a second SBSS is expected from the Air Force in April.
SBSS would operate in geostationary orbit at 36,000 kilometers over the equator, where most telecommunications satellites operate. The second satellite is intended to be placed on the opposite side of the geostationary arc to facilitate surveillance of the entire geostationary-orbit population.
With the nonrecurring engineering costs for SBSS already incurred, Boeing and Ball would be able to build a second SBSS satellite and ground gear for much less than the first satellite. Industry officials say that for a program such as this, a carbon copy of the original SBSS should be at least 40 percent less expensive than the first, depending on what new ground hardware is required.
Given the incumbent team's advantages, the coming bid competition may be a mere formality.

http://www.spacenews.com/military/031910AF-plans-competition-for-2nd-sbss-contract-award.html

[Sharicoff]

Однако пора заголовок ветки править.
Внезапно всплыла дата 8 июля.

[Брабонт]

Second SBSS satellite scheduled for launch in 2014

The U.S. Air Force is planning a competition to acquire a second Space Based Space Surveillance satellite for launch in late 2014, according to a posting on the Federal Business Opportunities website.

The presolicitation notice says the follow-on spacecraft must be compatible with ground systems developed for the first SBSS satellite, which is named SBSS Block 10.

[Брабонт]

A new eye in the sky to keep an eye on the sky

[Старый]

Фигасе! Такой аппарат влезает в Минотавр?

[Брабонт]

Влезает ( http://www.orbital.com/NewsInfo/Publications/Minotaur_IV_Fact.pdf ):